Q_Id int64 337 49.3M | CreationDate stringlengths 23 23 | Users Score int64 -42 1.15k | Other int64 0 1 | Python Basics and Environment int64 0 1 | System Administration and DevOps int64 0 1 | Tags stringlengths 6 105 | A_Id int64 518 72.5M | AnswerCount int64 1 64 | is_accepted bool 2
classes | Web Development int64 0 1 | GUI and Desktop Applications int64 0 1 | Answer stringlengths 6 11.6k | Available Count int64 1 31 | Q_Score int64 0 6.79k | Data Science and Machine Learning int64 0 1 | Question stringlengths 15 29k | Title stringlengths 11 150 | Score float64 -1 1.2 | Database and SQL int64 0 1 | Networking and APIs int64 0 1 | ViewCount int64 8 6.81M |
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15,443,732 | 2013-03-15T23:31:00.000 | 1 | 1 | 0 | 1 | python,optimization,nginx,redis,uwsgi | 45,384,113 | 4 | false | 1 | 0 | You said nothing about writing this data back, is it static? In this case, the solution is every simple, and I have no clue what is up with all the "it's not feasible" responses.
Uwsgi workers are always-running applications. So data absolutely gets persisted between requests. All you need to do is store stuff in a glo... | 2 | 8 | 0 | I doubt this is even possible, but here is the problem and proposed solution (the feasibility of the proposed solution is the object of this question):
I have some "global data" that needs to be available for all requests. I'm persisting this data to Riak and using Redis as a caching layer for access speed (for now.... | Persistent in-memory Python object for nginx/uwsgi server | 0.049958 | 0 | 0 | 4,976 |
15,448,884 | 2013-03-16T11:47:00.000 | 0 | 0 | 1 | 0 | python,installation,pythonpath | 15,448,915 | 2 | false | 0 | 0 | You are correct. End user should be able to run your exe even if python is not there on his system. Instead, when end-user runs your exe, your exe should make calls to the pyx,pyo files. And, those files will be packaged by the pyinstaller. Also, you need to make sure that you point the path to those pyx,pyo files | 1 | 2 | 0 | Hi I have created an application that allows end user python scripting. The main portion of the application is written in python, this I have compiled away to an exe using pyinstaller this is fine that part of the application works just fine.
This application then calls a DLL that embeds python, this then calls some en... | Embedding python scripting installation ImportError: No module named site | 0 | 0 | 0 | 3,125 |
15,452,390 | 2013-03-16T17:32:00.000 | 1 | 0 | 1 | 0 | python,virtualenv | 15,454,563 | 1 | true | 0 | 0 | This is exactly what virtual environments are for.
Create your virtual environment and activate, then any 'pip install' or 'easy_install' that you do will only affect that environment, not your site.
If I were you once you get 2.8 working, install 3.0 in a different virtenv and then think about deleting the site-wide W... | 1 | 0 | 0 | so I have a question about installing multiple versions of a single program. Apparently I need to use Weblogo-3.3 for one part of my project, but another program I'm using for a different part uses Weblogo-2.8.2 as a dependency, and cannot work with 3.3. This is...problematic, as I need to do both parts. Both use pytho... | Using Virtualenv to install two versions of a program | 1.2 | 0 | 0 | 105 |
15,456,709 | 2013-03-17T01:39:00.000 | 0 | 0 | 0 | 0 | python,excel,google-drive-api | 15,505,507 | 1 | true | 0 | 0 | Ended up just downloading with xlrd and using that. Thanks for the link Rob. | 1 | 0 | 0 | So I know how to download Excel files from Google Drive in .csv format. However, since .csv files do not support multiple sheets, I have developed a system in a for loop to add the '&grid=tab_number' to the file download url so that I can download each sheet as its own .csv file. The problem I have run into is finding ... | Complicated Excel Issue with Google API and Python | 1.2 | 1 | 1 | 95 |
15,461,429 | 2013-03-17T13:45:00.000 | 0 | 0 | 1 | 0 | python,datetime | 15,461,593 | 1 | true | 0 | 0 | I would write a function to check if a given tuple is within your range and then use a list comprehension such as
flagged = [x for x in myList if inMyRange(x)]
To get a list of all flagged ranges. Or perform an operation on the flagged items in the comprehension itself
operated = [myOperation(x) for x in myList if inMy... | 1 | 0 | 0 | I have time data in the form of:[ (from , to) , (.. , ..) , ..]
[('16:35', '16:10'),
('18:45', '18:15'),
('19:14', '12:15'),
('10:36', '00:10'),
('21:08', '13:40'),
('22:20', '06:10'),
('03:20', '16:40'),
('23:56', '12:10'),
('00:16', '21:30'),
I need to perform operation like if time range falls within the ra... | Python : Operations on DateTime range intervals | 1.2 | 0 | 0 | 173 |
15,463,191 | 2013-03-17T16:29:00.000 | 1 | 0 | 0 | 0 | python,opencv,image-processing,computer-vision | 18,670,288 | 1 | false | 0 | 0 | Such image statistics as mean, std etc. are not sufficient to answer the question, and canny may not be the best approach; it all depends on characteristics of the image. To learn about those characteristics and approaches, you may google for a survey of image segmentation / edge detection methods. And this kind of pro... | 1 | 2 | 1 | I'm trying to choose the best parameters for the hysteresis phase in the canny function of OpenCV. I found some similar questions in stackoverflow but they didn't solve my problem. So far I've found that there are two main approaches:
Compute mean and standard deviation and set the thresholds as: lowT = mean - std, hi... | Choosing the threshold values for hysteresis | 0.197375 | 0 | 0 | 2,035 |
15,469,799 | 2013-03-18T04:31:00.000 | 0 | 0 | 0 | 1 | python,xcode,interface | 15,469,982 | 3 | true | 0 | 1 | Open Automator
Choose "Application"
Drag a "Run Shell Script" onto the workflow panel
Choose "/usr/bin/python" as the shell. Paste in your script, and select Pass Input: "to stdin"
Or, choose bash as the shell, and simply have the automator script run your Python script with Pass Input "as arguments" selected on the to... | 1 | 3 | 0 | So I have a lot of python scripts that I have written for my work but no one in my lab knows how to use Python so I wanted to be able to generate a simple Mac App where you can 'Browse' for a file on your computer and type in the name of the file that you want to save . . . everything else will be processed by the appl... | Is it possible to create Python-based Application in Xcode or equivalent? | 1.2 | 0 | 0 | 3,884 |
15,470,346 | 2013-03-18T05:33:00.000 | 1 | 0 | 1 | 0 | python,list,slice,colon | 15,470,366 | 3 | false | 0 | 0 | There's nothing at the index len(somelist) (list indices start at 0 in python). Therefore, trying to access a non-existing element raises an error.
However, list slicing (with the myList[i:] syntax) returns a new list containing the elements including and after i. Since there are no elements in the list at index i (or ... | 1 | 8 | 0 | I understand that somelist[len(somelist)] cannot access an index that is outside of the defined list - this makes sense.
But why then does Python allow you to do somelist[len(somelist):]?
I've even read that somelist[len(somelist):] = [1] is equivalent to somelist.append(1)
But why does slice notation change the fact ... | Why does somelist[len(somelist)] generate an IndexError but not somelist[len(somelist):]? | 0.066568 | 0 | 0 | 218 |
15,471,372 | 2013-03-18T07:06:00.000 | 2 | 0 | 0 | 0 | python,machine-learning,scikit-learn | 15,743,100 | 2 | true | 0 | 0 | Do you just want to do majority voting? This is not implemented afaik. But as I said, you can just average the predict_proba scores. Or you can use LabelBinarizer of the predictions and average those. That would implement a voting scheme.
Even if you are not interested in the probabilities, averaging the predicted prob... | 1 | 1 | 1 | Is there any way to combine different classifiers into one in sklearn? I find sklearn.ensamble package. It contains different models, like AdaBoost and RandofForest, but they use decision trees under the hood and I want to use different methods, like SVM and Logistic regression. Is it possible with sklearn? | Ensamble methods with scikit-learn | 1.2 | 0 | 0 | 694 |
15,478,126 | 2013-03-18T13:33:00.000 | 3 | 0 | 0 | 0 | python,rss,urllib,bots | 15,478,540 | 1 | false | 0 | 0 | You could use some HTTP sniffer (like fiddler) or any protocol sniffer (tcpdump, wireshark) to sniff your network traffic to Google and check if your urllib request and wget/browser requests differ. Also check and compare all the cookies and HTTP-headers of both requests. And remember , that for IPs with big number of ... | 1 | 2 | 0 | I am trying to import results from a Google Search results rss/xml feed into my website but every time I run the python script I get a message from Google:
Our systems have detected unusual traffic from your computer network.
This page checks to see if it's really you sending the requests and
not a robot.
The scr... | How to fetch a google search results feed with a python script and not be identified as a bot? | 0.53705 | 0 | 1 | 1,138 |
15,479,928 | 2013-03-18T14:59:00.000 | 17 | 0 | 1 | 0 | python,dictionary,set,python-internals | 19,749,013 | 5 | false | 0 | 0 | "Arbitrary" isn't the same thing as "non-determined".
What they're saying is that there are no useful properties of dictionary iteration order that are "in the public interface". There almost certainly are many properties of the iteration order that are fully determined by the code that currently implements dictionary ... | 1 | 161 | 0 | I don't understand how looping over a dictionary or set in python is done by 'arbitrary' order.
I mean, it's a programming language so everything in the language must be 100% determined, correct? Python must have some kind of algorithm that decides which part of the dictionary or set is chosen, 1st, second and so on.
... | Why is the order in dictionaries and sets arbitrary? | 1 | 0 | 0 | 20,118 |
15,482,842 | 2013-03-18T17:13:00.000 | 0 | 0 | 0 | 0 | python,node.js,openshift,openshift-client-tools | 15,485,252 | 1 | false | 0 | 0 | What do you mean you need the RHC open? It just sends a commands and then finishes executing.
The RHC client is a stateless means to send REST requests to the OpenShift Broker - it has absolutely no connection to the node running your app UNLESS you use RHC APP TAIL command or something like that. Do you mean when you ... | 1 | 0 | 0 | I m using openshift to deploy my app which uses python,mongodb and node.js.
After pushing all my code and data into server it is saying service not available when rhc client is closed.
Is that because i did not write postdeploy script? | Openshift script after deployment | 0 | 0 | 0 | 263 |
15,484,850 | 2013-03-18T19:06:00.000 | 0 | 0 | 0 | 1 | python,rabbitmq,amqp | 15,501,068 | 1 | false | 0 | 0 | What you're describing sounds like a pretty typical middleware pipeline. While that achieves the same effect of modifying messages before they are delivered to their intended consumer, it doesn't work by accessing queues.
The basic idea is that all messages first go into a special queue where they are delivered to t... | 1 | 0 | 0 | I use rabbitmq in Python via amqplib. I try to use AMQP for something more than just a queue, if that's possible - searching messages by ID, modifying them before dequeing, deleting from queue before dequeing. Those things are used to store/update a real users queue for a balancer, and that queue could be updated async... | Message queue with random read\write access to queue elements before dequeing (rabbitmq or) | 0 | 0 | 0 | 875 |
15,485,567 | 2013-03-18T19:47:00.000 | 0 | 0 | 1 | 1 | python | 15,486,937 | 1 | false | 0 | 0 | I am pretty sure OSX build tools (XCode et. al.) exist only on Apple platforms and there is no business rationale why Apple would have ported them to Windows.
So the probable answer is "buy Mac". | 1 | 0 | 0 | Given that the code has been written indepdently of platform, how do I build a package for MAC OS when I am on Windows and the package has been successfully built there? I can use python setup.py bdist_msi on windows, but not python setup.py bdist_dmg, since I am not on MAC. What to do about that?
Python 3.3, tkinter, ... | Build package for OSX when on Windows (Python 3.3, tkinter) | 0 | 0 | 0 | 98 |
15,486,008 | 2013-03-18T20:13:00.000 | 2 | 0 | 1 | 0 | python | 15,486,143 | 3 | true | 0 | 0 | IMHO : Do NEVER touch the ConfigParser Module, its outdated (reads: obviously not brought up to date) and has quite some quirks. API for comments? Forget it! Access to the DEFAULT-Section? LOL! Wondering about not parsed Config-Fields? Well guess what: ConfigParser iterates over all your config files and fails silently... | 2 | 6 | 0 | I'm writing a daemon script in Python and would like to be able to specify settings in a file that the program expects to read (like .conf files). The standard library has configparser and xdrlib file formats, but neither seems pythonic; the former being a Microsoft standard and the latter a Sun Microsystems standard.
... | What's the most pythonic method for specifying a configuration file? | 1.2 | 0 | 0 | 187 |
15,486,008 | 2013-03-18T20:13:00.000 | 5 | 0 | 1 | 0 | python | 15,486,098 | 3 | false | 0 | 0 | Unless you have any particularly complex needs, there's nothing wrong with using configparser. It's a simple, flat file format that's easily understood and familiar to many people. If that really rubs you the wrong way, there's always the option of using JSON or YAML config but those are somewhat more heavyweight for... | 2 | 6 | 0 | I'm writing a daemon script in Python and would like to be able to specify settings in a file that the program expects to read (like .conf files). The standard library has configparser and xdrlib file formats, but neither seems pythonic; the former being a Microsoft standard and the latter a Sun Microsystems standard.
... | What's the most pythonic method for specifying a configuration file? | 0.321513 | 0 | 0 | 187 |
15,486,091 | 2013-03-18T20:17:00.000 | 3 | 0 | 0 | 0 | python,application-restart,panda3d | 15,522,504 | 2 | false | 0 | 1 | Not really. Panda3D doesn't really make this abstraction, that's up to the application developer. It depends on the specific case what "restart" really means; do you want to close the existing window and then reopen a new one? If not, then that means that you have to keep many Panda3D objects in place and can't simp... | 1 | 1 | 0 | I have a game, written in Python, and I use Panda3d.
Now I want to have a possibility for restart, that is, I want to press a button with the result that the main is executed again, just as if the current instance of the game had never existed.
Is there a simple way to do this? | panda3d - how to restart a game | 0.291313 | 0 | 0 | 583 |
15,487,848 | 2013-03-18T22:06:00.000 | 1 | 1 | 1 | 1 | python,linux | 15,487,877 | 3 | false | 0 | 0 | Do /aaa/python2.5 python_code.py. If you use Python 2.5 more often, consider changing the $PATH variable to make Python 2.5 the default. | 1 | 2 | 0 | I am doing maintenance for a python code. Python is installed in /usr/bin, the code installed in /aaa, a python 2.5 installed under /aaa/python2.5. Each time I run Python, it use /usr/bin one. How to make it run /aaa/python2.5?
Also when I run Python -v; import bbb; bbb.__file__; it will automatically show it use bbb ... | How to run python in different directory? | 0.066568 | 0 | 0 | 1,363 |
15,488,944 | 2013-03-18T23:36:00.000 | -1 | 0 | 1 | 0 | python,pygame | 15,625,491 | 3 | false | 0 | 1 | You cannot run a python program without python installed. However you could make the program an exe file by using a certain converter. Some converters are py2exe, pyinstaller, and cx_freeze. I personally recommend cx_freeze. If you use cx_freeze you must add the line import pygame._view to your source code due to a bug... | 2 | 1 | 0 | Do you have to have pygame installed to run pygame games? I have programmed a game in pygame on my Raspberry Pi (using the Adafruit WebIDE), and I don't want to have to run it on the Pi itself, so I am planning to use it on my Windows 8 box, and I don't have pygame installed on the Windows box. | Do you have to have pygame installed to run pygame games? | -0.066568 | 0 | 0 | 4,043 |
15,488,944 | 2013-03-18T23:36:00.000 | -1 | 0 | 1 | 0 | python,pygame | 15,488,983 | 3 | false | 0 | 1 | Yes, for a computer to run a program, it needs to have the modules included in the program. It's like saying that you want to solve a quadratic equation but numbers do not exist yet. Especially if you want to edit it on your computer, you would need to have Pygame installed. | 2 | 1 | 0 | Do you have to have pygame installed to run pygame games? I have programmed a game in pygame on my Raspberry Pi (using the Adafruit WebIDE), and I don't want to have to run it on the Pi itself, so I am planning to use it on my Windows 8 box, and I don't have pygame installed on the Windows box. | Do you have to have pygame installed to run pygame games? | -0.066568 | 0 | 0 | 4,043 |
15,489,371 | 2013-03-19T00:20:00.000 | 0 | 1 | 0 | 1 | python,serial-port,tty,modbus | 15,494,099 | 2 | false | 0 | 0 | There is no straightforward solution to trick your linux server into thinking that a MODBUS RTU is actually of MODBUS TCP connection.
In all cases, your modem will have to transfer data from TCP to serial (and the other way around). So I assume that:
1) somehow you can program your modem and instruct it to do whatever ... | 2 | 0 | 0 | I will be creating a connection between my Linux server and a cellular modem where the modem will act as a server for serial over TCP.
The modem itself is connected to a modbus device (industrial protocol) via an RS232 connection.
I would like to use pymodbus to facilitate talking to the end modbus device. However, I c... | Pymodbus (Serial) over a tcp serial connection | 0 | 0 | 0 | 1,866 |
15,489,371 | 2013-03-19T00:20:00.000 | 0 | 1 | 0 | 1 | python,serial-port,tty,modbus | 16,742,894 | 2 | false | 0 | 0 | I actually was working on something similar and decided to make my own Serial/TCP bridge. Using virtual serial ports to handle the communication with each of the modems.
I used the minimalmodbus library although I had to modify it a little in order to handle the virtual serial ports.
I hope you solved your problem and... | 2 | 0 | 0 | I will be creating a connection between my Linux server and a cellular modem where the modem will act as a server for serial over TCP.
The modem itself is connected to a modbus device (industrial protocol) via an RS232 connection.
I would like to use pymodbus to facilitate talking to the end modbus device. However, I c... | Pymodbus (Serial) over a tcp serial connection | 0 | 0 | 0 | 1,866 |
15,491,308 | 2013-03-19T04:07:00.000 | 1 | 1 | 0 | 1 | python,serial-port,tty,modbus | 15,680,046 | 1 | false | 0 | 0 | if i do understand, you need make a connection of this manner:
[pyModbus <-(fake serial)->process]<-(tcp/ip)->[modem<-(serial)->device]
I suggest use socat for this | 1 | 1 | 0 | I have a library (PyModbus) I would like to use that requires a tty device as it will be communicating with a device using serial connection. However, the device I am going to talk to is going to be behind a modem that supports serial over tcp (the device plugs into a com port on the modem).
Without the modem in the w... | Create a fake TTY device from a serial-over TCP connection | 0.197375 | 0 | 0 | 1,308 |
15,493,342 | 2013-03-19T06:59:00.000 | 0 | 1 | 1 | 0 | python,emacs,restructuredtext | 28,541,254 | 3 | false | 0 | 0 | As far as for edit-purposes, narrowing to docstring and activating rst-mode should be the way to go.
python-mode el provides py--docstring-p, which might be easily adapted for python.el
Than binding the whole thing to some idle-timer, would do the narrowing/switching.
Remains some expression which toggles-off rst-mode ... | 1 | 13 | 0 | How to I get Emacs to use rst-mode inside of docstrings in Python files? I vaguely remember that different modes within certain regions of a file is possible, but I don't remember how it's done. | Have Emacs edit Python docstrings using rst-mode | 0 | 0 | 0 | 1,425 |
15,494,054 | 2013-03-19T07:49:00.000 | 1 | 0 | 1 | 0 | list,python-2.7 | 15,494,144 | 1 | true | 0 | 0 | Try list of tuples... May help.
There is also an array module. | 1 | 0 | 0 | I have a text file of approx 300MB, and each line is a (short) list of integer; most lines contain just 1 integer, the longest list contains 10. If I create a list of lists in Python, one list for each line, with the entries cast as int, I run into MemoryErrors... how can that be when I have 3GB of RAM? Environment is ... | Alternatives for integer list in Python | 1.2 | 0 | 0 | 389 |
15,495,949 | 2013-03-19T09:42:00.000 | 1 | 0 | 0 | 0 | python,file,amazon-s3,boto | 15,503,402 | 1 | false | 1 | 0 | No, there really isn't any way to do this without putting some sort of service between the people clicking on the links and the S3 objects.
The reason is that access to the S3 content is determined by your AWS access_key and secret_key. There is no way to "login" with these credentials and logging into the AWS web con... | 1 | 1 | 0 | I'm having trouble with S3 files. I have some python code using boto that uploads file to S3, and I want to write to a log file links to the files I created for future reference.
I can't seem to find a way to generate a link that works to only people that authenticated. I can create a link using the generate_url metho... | Creating links to private S3 files which still requires authentication | 0.197375 | 0 | 1 | 415 |
15,496,065 | 2013-03-19T09:48:00.000 | 0 | 0 | 0 | 1 | python,google-app-engine,sdk | 15,499,700 | 2 | false | 1 | 0 | @Bharadwaj Please check if the version number you have specified in the command actually exists in the appengine.
Also Make sure that you are providing your right appengine credentials. | 1 | 0 | 0 | my app name is nfcVibe but still i am getting error like below.anyone suggest me to download my app. i think i gave the command correct only. but where it is going wrong that i dont know.
C:\Program Files\Google\google_appengine>appcfg.py download_app -A nfcVibe -V 1
"e:\nfcvibe1"
03:11 PM Host: appengine.google.com
0... | while downloading app from google app engine its throwing error <400> | 0 | 0 | 0 | 304 |
15,500,808 | 2013-03-19T13:26:00.000 | 0 | 0 | 1 | 0 | python,ply | 15,502,318 | 1 | true | 0 | 0 | It turns out, you can use %prec fakeToken at the end of the production with different precedence, and insert facetoken in the right place in the precedence list. | 1 | 0 | 0 | I'm writing a parser in PLY for a language that consists of two sublanguages: the "normal" expression language, and the language of type annotations. The problem is that they share some tokens, and that precedence differs between the two languages.
For example, in the expression language a | b, c should be equivalent t... | Precedence for sublanguages | 1.2 | 0 | 0 | 206 |
15,507,009 | 2013-03-19T17:59:00.000 | 1 | 0 | 0 | 0 | python,matlab,wxpython,tkinter | 15,508,213 | 3 | false | 0 | 1 | Haven't used Matlab before, not sure about it's GUI. But if you tend to use Python interactively, you may want to give iPython a try. Ipython with Qt can render you an elegant GUI. | 1 | 0 | 0 | I'm really trying to fall in love with Python and move away from Matlab. Is it possible to make Matlab style GUIs in Python? How easy is it by comparison? (I make matlab GUIs programmatically, wouldn't dare use GUIDE) Can I put matplotlib graphics in these GUIs? Is tk or wx (or something else) better for this? | Can python make Matlab style GUIs | 0.066568 | 0 | 0 | 2,810 |
15,510,254 | 2013-03-19T20:55:00.000 | 1 | 1 | 0 | 1 | python,unix,python-2.7,unix-timestamp,dropbox-api | 15,529,123 | 1 | false | 0 | 0 | The modified time on the Dropbox server isn't necessarily going to be the modified time on the client, but rather the time the file was uploaded to the server. You can use the 'rev' property on files from the /metadata call to keep track of files instead. | 1 | 0 | 0 | I'm doing a file sync between a client, server and Dropbox (Mac client, Debian server). I'm looking at the mod times of files to determine which is newest. On the client I'm using os.path.getmtime(filePath) to get the modified time.
When I check the last modification time of the file on the client and then, after uplo... | File Mod Time Discrepancies On Upload | 0.197375 | 0 | 0 | 77 |
15,511,400 | 2013-03-19T22:05:00.000 | 1 | 0 | 1 | 0 | python,integer-division | 15,511,436 | 2 | false | 0 | 0 | Integer division takes (I believe) the floor() of whatever float comes out, more or less.
So that's -2 for the first division and 1 for the second. | 1 | 9 | 0 | Why does -103/100 == -2 but 103/100 == 1 in Python? I can't seem to understand why. | Why does -103/100 == -2 but 103/100 == 1 in Python? | 0.099668 | 0 | 0 | 320 |
15,512,276 | 2013-03-19T23:12:00.000 | 0 | 0 | 0 | 0 | python,numpy,dataset | 15,513,160 | 2 | false | 0 | 0 | You could assign a unique sequential number to each row, then choose a random sample of those numbers, then serially extract each relevant row to a new file. | 1 | 0 | 1 | I have a large dataset. It's currently in the form of uncompressed numpy array files that were created with numpy.array.tofile(). Each file is approximately 100000 rows of 363 floats each. There are 192 files totalling 52 Gb.
I'd like to separate a random fifth of this data into a test set, and a random fifth of that t... | How should I divide a large (~50Gb) dataset into training, test, and validation sets? | 0 | 0 | 0 | 756 |
15,513,699 | 2013-03-20T01:28:00.000 | 0 | 0 | 0 | 0 | python,http,http-headers | 15,513,793 | 2 | false | 1 | 0 | I guess you will have to create a list of all known file extensions that you do NOT want, and then scan the content of the http response, checking with "if substring not in nono-list:"
The problem is all href's ending with TLDs, forwardslashes, url-delivered variables and so on, so i think it would be easier to check f... | 1 | 2 | 0 | I want to be able to get the list of all URLs that a browser will do a GET request for when we try to open a page. For eg: if we try to open cnn.com, there are multiple URLs within the first HTTP response which the browser recursively requests for.
I'm not trying to render a page but I'm trying to obtain a list of all... | How can I extract the list of urls obtained during a HTML page render in python? | 0 | 0 | 1 | 996 |
15,514,294 | 2013-03-20T02:38:00.000 | 3 | 0 | 0 | 0 | java,android,c++,python,django | 15,514,369 | 2 | false | 1 | 1 | You might want to checkout the likes of Phonegap, Scala, Groovy, Mirah, Rhodes, Clojure | 1 | 1 | 0 | I want to learn how to how to program apps for Android. I am not very fond of Java. I read that you could build Android apps with Python and C++. So can I build apps completely without using Java? Also what are the advantages of C++, Python, and Java when building Android? Another question: Will Django Framework work f... | Is it possible to build Android apps without Java? | 0.291313 | 0 | 0 | 3,672 |
15,514,593 | 2013-03-20T03:10:00.000 | 2 | 0 | 1 | 0 | python,jupyter-notebook,ipython,jupyter,importerror | 19,124,508 | 21 | false | 0 | 0 | Before installing ipython, I installed modules through easy_install; say sudo easy_install mechanize.
After installing ipython, I had to re-run easy_install for ipython to recognize the modules. | 6 | 193 | 0 | I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
What's going on, and how can I fix it? I've tried to understand how pyth... | "ImportError: No module named" when trying to run Python script | 0.019045 | 0 | 0 | 367,136 |
15,514,593 | 2013-03-20T03:10:00.000 | 6 | 0 | 1 | 0 | python,jupyter-notebook,ipython,jupyter,importerror | 25,022,624 | 21 | false | 0 | 0 | Doing sys.path.append('my-path-to-module-folder') will work, but to avoid having to do this in IPython every time you want to use the module, you can add export PYTHONPATH="my-path-to-module-folder:$PYTHONPATH" to your ~/.bash_profile file. | 6 | 193 | 0 | I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
What's going on, and how can I fix it? I've tried to understand how pyth... | "ImportError: No module named" when trying to run Python script | 1 | 0 | 0 | 367,136 |
15,514,593 | 2013-03-20T03:10:00.000 | 18 | 0 | 1 | 0 | python,jupyter-notebook,ipython,jupyter,importerror | 27,944,947 | 21 | false | 0 | 0 | Just create an empty python file with the name __init__.py under the folder which showing error, while you running the python project. | 6 | 193 | 0 | I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
What's going on, and how can I fix it? I've tried to understand how pyth... | "ImportError: No module named" when trying to run Python script | 1 | 0 | 0 | 367,136 |
15,514,593 | 2013-03-20T03:10:00.000 | 1 | 0 | 1 | 0 | python,jupyter-notebook,ipython,jupyter,importerror | 36,972,264 | 21 | false | 0 | 0 | Had a similar problem, fixed it by calling python3 instead of python, my modules were in Python3.5. | 6 | 193 | 0 | I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
What's going on, and how can I fix it? I've tried to understand how pyth... | "ImportError: No module named" when trying to run Python script | 0.009524 | 0 | 0 | 367,136 |
15,514,593 | 2013-03-20T03:10:00.000 | 0 | 0 | 1 | 0 | python,jupyter-notebook,ipython,jupyter,importerror | 54,964,060 | 21 | false | 0 | 0 | Solution without scripting:
Open Spyder -> Tools -> PYTHONPATH manager
Add Python paths by clicking "Add Path".
E.g: 'C:\Users\User\AppData\Local\Programs\Python\Python37\Lib\site-packages'
Click "Synchronize..." to allow other programs (e.g. Jupyter Notebook) use the pythonpaths set in step 2.
Restart Jupyter if it i... | 6 | 193 | 0 | I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
What's going on, and how can I fix it? I've tried to understand how pyth... | "ImportError: No module named" when trying to run Python script | 0 | 0 | 0 | 367,136 |
15,514,593 | 2013-03-20T03:10:00.000 | 0 | 0 | 1 | 0 | python,jupyter-notebook,ipython,jupyter,importerror | 45,054,485 | 21 | false | 0 | 0 | I found yet another source of this discrepancy:
I have ipython installed both locally and in commonly in virtualenvs. My problem was that, inside a newly made virtualenv with ipython, the system ipython was picked up, which was a different version than the python and ipython in the virtualenv (a 2.7.x vs. a 3.5.x), and... | 6 | 193 | 0 | I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
What's going on, and how can I fix it? I've tried to understand how pyth... | "ImportError: No module named" when trying to run Python script | 0 | 0 | 0 | 367,136 |
15,514,641 | 2013-03-20T03:15:00.000 | 1 | 0 | 0 | 0 | python,performance,algorithm,numpy,kdtree | 15,514,922 | 2 | false | 0 | 0 | The first thing that comes to my mind is:
If we calculate the distance between each two atoms in the set it will be O(N^2) operations. It is very slow.
What about to introduce the statical orthogonal grid with some cells size (for example close to the distance you are interested) and then determine the atoms belonging ... | 2 | 0 | 1 | In an python application I'm developing I have an array of 3D points (of size between 2 and 100000) and I have to find the points that are within a certain distance from each other (say between two values, like 0.1 and 0.2). I need this for a graphic application and this search should be very fast (~1/10 of a second fo... | Finding points in space closer than a certain value | 0.099668 | 0 | 0 | 772 |
15,514,641 | 2013-03-20T03:15:00.000 | 5 | 0 | 0 | 0 | python,performance,algorithm,numpy,kdtree | 15,514,859 | 2 | true | 0 | 0 | Great question! Here is my suggestion:
Divide each coordinate by your "epsilon" value of 0.1/0.2/whatever and round the result to an integer. This creates a "quotient space" of points where distance no longer needs to be determined using the distance formula, but simply by comparing the integer coordinates of each poin... | 2 | 0 | 1 | In an python application I'm developing I have an array of 3D points (of size between 2 and 100000) and I have to find the points that are within a certain distance from each other (say between two values, like 0.1 and 0.2). I need this for a graphic application and this search should be very fast (~1/10 of a second fo... | Finding points in space closer than a certain value | 1.2 | 0 | 0 | 772 |
15,515,299 | 2013-03-20T04:24:00.000 | 0 | 0 | 0 | 1 | google-app-engine,python-2.x | 44,672,760 | 3 | false | 1 | 0 | If you are using GAE Flex (where the secure: directive doesn't work), the only way I've found to detect this (to redirect http->https myself) is to check if request.environ['HTTP_X_FORWARDED_PROTO'] == 'https' | 1 | 1 | 0 | I would like to know if is there a way to validate that a request (say a POST or a GET) was made over https,
I need to check this in a webapp2.RequestHandler to invalidate every request that is not sent via https
best regards | how to check the request is https in app engine python | 0 | 0 | 1 | 428 |
15,516,354 | 2013-03-20T05:58:00.000 | 0 | 0 | 0 | 0 | python,selenium | 15,517,460 | 1 | false | 0 | 0 | Selenium IDE 1.10.0 release notes says it only supports upto Firefox 17 so you may face issue with v19. will you re-try downgrading Firefox please? | 1 | 1 | 0 | I am trying to create a sample python script using Selenium IDE 1.10.0 with Firefox version 19.0.2.
I am able to create the script, but during run time i'm getting exception: "INFO - Got result: Failed to start new browser session: Error while launching browser on session null"
So my question is that can i run the gene... | Does Selenium IDE 1.10.0 support Firefox 19.0.2 | 0 | 0 | 1 | 934 |
15,516,572 | 2013-03-20T06:15:00.000 | 0 | 0 | 1 | 0 | python,audio,mp3,text-to-speech | 71,868,861 | 3 | false | 0 | 0 | You can bypass the 100 character rule by splitting the 'theText' string into an array: theText = f.read().split("<null>") (i used "<null>" as the delimiter) put the delimiter in the text every sentence or space before 100 characters.
Create a for-loop: for section in theText: and every section run engine.Speak(section)... | 1 | 6 | 0 | I can convert text to speech in python using puttsx. and I can do record audio using microphone(headphone) to mp3 file.
What I want to do is to convert text to mp3 file.
Is there a way to store audio playing using pyttsx to memory or unicode string.
Can anyone help me storing audio to memory, or how I can convert tha... | How can I convert text to speech (mp3 file) in python? | 0 | 0 | 0 | 9,809 |
15,517,766 | 2013-03-20T07:33:00.000 | 0 | 0 | 0 | 1 | python,django,google-app-engine,python-2.7,django-nonrel | 15,525,796 | 2 | false | 1 | 0 | The django library built into GAE is straight up normal django that has an SQL ORM. So you can use this with Cloud SQL but not the HRD.
django-nonrel is up to 1.4.5 according to the messages on the newsgroup. The documentation, unfortunately, is sorely behind. | 1 | 0 | 0 | AppEngine 1.7.6 has promoted Django 1.4.2 to GA.
I wonder how and if people this are using The reason for my question is that Django-nonrel seems to be stuck on Django 1.3 and there are no signs of an updated realease.
What I would like to use from Djano are controllers, views and especially form validations. | AppEngine 1.7.6 and Django 1.4.2 release | 0 | 0 | 0 | 154 |
15,519,904 | 2013-03-20T09:40:00.000 | 0 | 0 | 0 | 0 | php,c++,python,flask | 15,520,011 | 3 | false | 1 | 1 | You can use sockets, and start listening on some port from C++ program, then from PHP you can connect and send/receive data to/from your program. | 1 | 0 | 0 | I have c++ code that can be compiled under Linux, windows or Mac OS. The code compares two images. I would like to have its front end running on a browser and make available to the www.
I am familiar with hosting and dns and that is not the issue. what I can't seem to figure out is:
How do I invoke the script once th... | Web front-end for c++ code | 0 | 0 | 0 | 959 |
15,524,030 | 2013-03-20T12:50:00.000 | 4 | 0 | 1 | 0 | python,list,logging,dictionary,system | 15,524,068 | 3 | false | 0 | 0 | You should look into collections.Counter. Your question is a bit unclear. | 1 | 0 | 0 | Can anyone tell me how to count the number of times a word appears in a dictionary. Iv already read a file into the terminal into a list. would I need to put the list into a dictionary or start put reading the file into the terminal into a dictionary and not a list? the file is a log file if that matters... | Counting words in python | 0.26052 | 0 | 0 | 1,257 |
15,524,627 | 2013-03-20T13:15:00.000 | 2 | 0 | 1 | 0 | python,multithreading,queue,python-multithreading | 15,524,819 | 1 | true | 0 | 0 | Using queues
Usually, a queue is used in a scenario with a bunch of worker threads that get their jobs from the queue. Free threads are waiting on the queue for new jobs to be put in it. Then the job is executed by a thread while all remaining threads are waiting for the next job. If there are more jobs posted than thr... | 1 | 2 | 0 | I am looking for a way to pass values(ex integers,arrays) between multiple threads in Python. I understand that this task can be achieved by using the Queue module, but I am not very familiar neither with python or this specific module.
I have the following scenario: each thread needs to do some calculations based on ... | Passing values between threads using queue module in Python | 1.2 | 0 | 0 | 2,566 |
15,524,753 | 2013-03-20T13:20:00.000 | 3 | 0 | 1 | 0 | python,set | 15,524,837 | 1 | true | 0 | 0 | A set in python is a hash itself. So implementing difference for it is not as hard as you imagine. Looking from a higher level how does one implement set difference? Iterate over one of the collections and add to the result all elements that are not present in the other sequence. | 1 | 4 | 0 | Recently, i am looking through some python modules to understand their behavior and how optimized their implementation are. Can any one tell what algorithm does python use to perform the set difference operations. One possible way to achieve set difference is by using hash tables which will involve an extra N space. I ... | how does python' set difference work internally? | 1.2 | 0 | 0 | 956 |
15,524,822 | 2013-03-20T13:23:00.000 | 0 | 0 | 1 | 0 | python,regex,python-2.7 | 15,524,921 | 3 | false | 0 | 0 | Have you considered using the Levenshtein distance algorithm for help? It is used to determine how similar two strings are to each other.
Here is a naive implementation:
For i = 0 to len(haystack_str) - len(needle_str)
Let potential_match = haystack_str[i,i+len]
See what the Levenshtein distance is between potential_m... | 1 | 0 | 0 | I have a list of substrings of equal length, for all of which I want to find a position in a big string. However tricky part is I should find also substrings which have limited number of mismatches (number of mismatches given, too). I thought I could do this with regular expressions, but I can't find how. UPD: I'm usin... | How to find a imperfect substring? | 0 | 0 | 0 | 1,936 |
15,529,417 | 2013-03-20T16:35:00.000 | 2 | 0 | 1 | 0 | python,module,version | 15,529,520 | 2 | false | 0 | 0 | I'm not sure if it's possible to change the active installed versions of a given module. Given my understanding of how imports and site-packages work, I'm leaning towards no.
Have you considered using virtualenv though ?
With virtualenv, you could create multiple shared environments -- one for biopython 1.58 , another... | 1 | 4 | 0 | so I am working on a shared computer. It is a workhorse for computations across the department. The problem we have run into is controlling versions of imported modules. Take for example Biopython. Some people have requirements of an older version of biopython - 1.58. And yet others have requirements for the latest bio... | How do I access different python module versions? | 0.197375 | 0 | 0 | 361 |
15,530,071 | 2013-03-20T17:03:00.000 | 2 | 0 | 0 | 0 | python,screen-scraping,scrapy | 25,308,766 | 1 | false | 1 | 0 | Before trying to give you an idea...
I must say I would try first your database option. Databases are made just for that and, even if your DB gets really big, this should not do the crawling significantly slow.
And one lesson I have learned: "First do the dumb implementation. After that, you try to optimize." Most of t... | 1 | 3 | 0 | Please help me solve following case:
Imagine a typical classified category page. A page with list of items. When you click on items you land on internal pages.Now currently my crawler scrapes all these URLs, further scrapes these urls to get details of the item, check to see if the initial seed URL as any next page. If... | Scrapy Case : Incremental Update of Items | 0.379949 | 0 | 1 | 1,365 |
15,530,866 | 2013-03-20T17:39:00.000 | 2 | 0 | 0 | 1 | google-app-engine,python-2.7 | 15,538,956 | 5 | false | 1 | 0 | I updated GAE SDK to 1.7.6 from 1.7.5, since then I started getting this error. I reverted back to 1.7.5, the application is functioning normally :) | 3 | 2 | 0 | This is my first program in GAE. I'm working with latest GAE SDK, and Python 2.7 on Windows XP 32 bit. All was working fine; but to my surprise I'm getting the following error:
2013-03-20 22:48:26 Running command: "['C:\\Python27\\pythonw.exe', 'C:\\Program Files\\Google\\google_appengine\\dev_appserver.py', '--skip_s... | Windows Error in Google App Engine | 0.07983 | 0 | 0 | 1,412 |
15,530,866 | 2013-03-20T17:39:00.000 | 0 | 0 | 0 | 1 | google-app-engine,python-2.7 | 25,406,846 | 5 | false | 1 | 0 | I got exactly the same problem with SDK 1.99 on Windows 8.
I was running a test script .yaml and .go file from Google Go's own working directory.
Moving my code to its own subdirectory solved the problem. | 3 | 2 | 0 | This is my first program in GAE. I'm working with latest GAE SDK, and Python 2.7 on Windows XP 32 bit. All was working fine; but to my surprise I'm getting the following error:
2013-03-20 22:48:26 Running command: "['C:\\Python27\\pythonw.exe', 'C:\\Program Files\\Google\\google_appengine\\dev_appserver.py', '--skip_s... | Windows Error in Google App Engine | 0 | 0 | 0 | 1,412 |
15,530,866 | 2013-03-20T17:39:00.000 | 1 | 0 | 0 | 1 | google-app-engine,python-2.7 | 15,578,142 | 5 | false | 1 | 0 | I had the same issue with GAE SDK 1.7.6, downgrading to 1.7.5 solved it for me too. | 3 | 2 | 0 | This is my first program in GAE. I'm working with latest GAE SDK, and Python 2.7 on Windows XP 32 bit. All was working fine; but to my surprise I'm getting the following error:
2013-03-20 22:48:26 Running command: "['C:\\Python27\\pythonw.exe', 'C:\\Program Files\\Google\\google_appengine\\dev_appserver.py', '--skip_s... | Windows Error in Google App Engine | 0.039979 | 0 | 0 | 1,412 |
15,534,297 | 2013-03-20T20:42:00.000 | 1 | 1 | 0 | 0 | python,service,web | 15,534,482 | 1 | false | 1 | 0 | I'm not experiment on this topic but what I would do is setup a database in between (on the Synology rather than on the Raspberry Pi). Let's call your Synology server, and Raspberry Pi a sensor client.
I would host a database on the server, and push the from the sensor client. The data would be pushed either using an A... | 1 | 2 | 0 | I'm looking for ideas, on how to display sensor data in a webpage, hosted by a Synology Diskstation, where the data comes from sensors connected to a Raspberry pi. This is going to be implemented in Python.
I have put together the sensors, and have these connected to the Raspberry. I have also the Python code, so I can... | Move data from Raspberry pi to a synology diskstation to present in a webpage | 0.197375 | 0 | 0 | 699 |
15,535,205 | 2013-03-20T21:35:00.000 | 16 | 0 | 1 | 0 | python | 15,535,251 | 4 | false | 0 | 0 | It means "all elements of the sequence but the last". In the context of f.readline()[:-1] it means "I'm pretty sure that line ends with a newline and I want to strip it". | 2 | 51 | 0 | Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1]
Have searched on here on S.O. and on Google but to no avail. Would love an explanation! | What does [:-1] mean/do in python? | 1 | 0 | 0 | 149,801 |
15,535,205 | 2013-03-20T21:35:00.000 | 3 | 0 | 1 | 0 | python | 15,535,244 | 4 | false | 0 | 0 | It gets all the elements from the list (or characters from a string) but the last element.
: represents going through the list
-1 implies the last element of the list | 2 | 51 | 0 | Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1]
Have searched on here on S.O. and on Google but to no avail. Would love an explanation! | What does [:-1] mean/do in python? | 0.148885 | 0 | 0 | 149,801 |
15,538,867 | 2013-03-21T03:17:00.000 | 0 | 1 | 0 | 1 | python,eclipse,configuration,pydev,interpreter | 18,466,358 | 1 | false | 0 | 0 | I've faced same problem. The solution was reinstalling Aptana (or Eclipse, tested also on Kepler 4.2.x).
The source of problem was in path to your eclipse/aptana installition. I think that trouble here is determined by diacritic symbols in your name 'Andres Diaz', according to your username here))) (my case is: cyrilli... | 1 | 1 | 0 | I just recently installed the PyDev 2.6 plugin for Eclipse (I run Eclipse SDK 4.2.1) and when I try to configure the Python interpreter to the path: > C:\Python27\python.exe , it gives me an "Error info on interpreter" and in error log it says:
com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException... | Error when configuring Python interpreter for PyDev in Eclipse | 0 | 0 | 0 | 362 |
15,539,096 | 2013-03-21T03:44:00.000 | 0 | 0 | 1 | 0 | python,ubuntu,odt | 25,458,631 | 2 | false | 0 | 0 | An easy way is to just rename the foo.odt to foo.zip and then extract it. the extracted directory contains many files including Pictures.
However I think it's better to change it's type to docx and then do the process on docx (extract it). Because it extract images with better name (image1, image2, ...). | 1 | 1 | 0 | How can I extract the tables, text and the pictures in an ODT(OpenDocumentText) file to output them to another ODT file using Python on Ubuntu? | How can I extract the tables, text and the pictures in ODT(OpenDocumentText) format using Python? | 0 | 0 | 0 | 894 |
15,540,360 | 2013-03-21T05:48:00.000 | 1 | 0 | 0 | 0 | python,google-app-engine,google-drive-api,google-oauth,oauth2client | 15,593,836 | 1 | true | 1 | 0 | Sorry, you can't do that. You will need to re-authorize the user. I agree that it would be nice to incrementally add scopes, but you will still need to show an authorization page, so I think you won't gain much doing that. | 1 | 1 | 0 | Tried adding additional scopes using oauth2client's OAuth2DecoratorFromClientSecrets via the scopes parameter.
I believe users of an application would prefer to gradually expand privileges; as its needed, and as trust forms...
What is the best way to add/expand/remove scopes when the application has an existing grant? ... | How should an application add/remove scopes to an existing grant? | 1.2 | 0 | 0 | 140 |
15,540,640 | 2013-03-21T06:10:00.000 | 0 | 0 | 1 | 0 | python-2.7,virtualenv,scientific-computing | 15,540,786 | 2 | false | 0 | 0 | There's no performance overhead to using virtualenv. All it's doing is using different locations in the filesystem.
The only "overhead" is the time it takes to set it up. You'd need to install each package in your virtualenv (numpy, pandas, etc.) | 2 | 5 | 1 | I have received several recommendations to use virtualenv to clean up my python modules. I am concerned because it seems too good to be true. Has anyone found downside related to performance or memory issues in working with multicore settings, starcluster, numpy, scikit-learn, pandas, or iPython notebook. | Are there any downsides to using virtualenv for scientific python and machine learning? | 0 | 0 | 0 | 1,022 |
15,540,640 | 2013-03-21T06:10:00.000 | 3 | 0 | 1 | 0 | python-2.7,virtualenv,scientific-computing | 15,540,795 | 2 | true | 0 | 0 | Virtualenv is the best and easiest way to keep some sort of order when it comes to dependencies. Python is really behind Ruby (bundler!) when it comes to dealing with installing and keeping track of modules. The best tool you have is virtualenv.
So I suggest you create a virtualenv directory for each of your applicatio... | 2 | 5 | 1 | I have received several recommendations to use virtualenv to clean up my python modules. I am concerned because it seems too good to be true. Has anyone found downside related to performance or memory issues in working with multicore settings, starcluster, numpy, scikit-learn, pandas, or iPython notebook. | Are there any downsides to using virtualenv for scientific python and machine learning? | 1.2 | 0 | 0 | 1,022 |
15,543,783 | 2013-03-21T09:34:00.000 | 3 | 1 | 0 | 0 | c++,python,c,ctypes,embedding | 15,544,287 | 2 | false | 0 | 1 | It depends, there's not a definitive answer. If you write bad code in C++ it could be even slower than well written Python code.
Assuming that you can write good quality C++ code, you can expect speedups up to 20x in the performance critical parts.
As the other answer says, NumPy is a good option for numerical bottlene... | 1 | 11 | 0 | Does embedding c++ code in python using ctypes, boost.python, etc make your python application faster?
Suppose I am making an application in pygtk and I need some functions which need to be fast. So if I use c++ for certain tasks in my application will it be beneficial?
And what are other options to make python code f... | Does embedding c++ code in python make your python application faster? | 0.291313 | 0 | 0 | 624 |
15,550,178 | 2013-03-21T14:23:00.000 | 2 | 0 | 1 | 0 | google-app-engine,python-2.7,google-cloud-datastore,app-engine-ndb | 15,550,220 | 2 | false | 0 | 0 | I would say that DateProperty is when you want a date-part only (i.e. dd/mm/yyyy or whatever format), and DateTimeProperty is useful when you want a full date & time representation (i.e. dd/mm/yyyy 00:00:00 or whatever format). | 1 | 0 | 0 | In layman's term, what's the difference between ndb.DateProperty and ndb.DateTimeProperty? When would I use which? For example, my intent is to use either with the param auto_now_add=True. | difference between DateProperty and DateTimeProperty | 0.197375 | 0 | 0 | 734 |
15,551,092 | 2013-03-21T15:02:00.000 | 0 | 0 | 0 | 0 | python,django | 15,551,326 | 1 | true | 1 | 0 | your form will be more complicated than a simple ModelForm .
maybe you could subclass ModelForm and populate a new DateTimeField for each DateTimeField in the model...
as for the making of the query... it will be a work too.
think about hardcode the extra DateField if you want to filter for only one Model | 1 | 0 | 0 | I want to filter some models in a list.
I know I can use ModelForm and filter in my view.
But my question is, how can I take advantage of ModelForms to filter a date field by range?
Also, I wish my form would generate two date widgets for my date field, one for start date and another for end date. | Can I use ModelForm to filter a Date by range? | 1.2 | 0 | 0 | 57 |
15,552,658 | 2013-03-21T16:12:00.000 | 2 | 0 | 1 | 0 | python,python-3.x,format,locale | 15,552,828 | 1 | true | 0 | 0 | Unfortunately, the locale module gets and sets global state. This is intrinsic to the design of locale.
The various workarounds include setting locks or calling a subprocess as a service. | 1 | 2 | 0 | Is there a correct way to format numbers by locale (getting the correct decimal separator) without modifying global state? This is for text generation server-side, so setlocale is not a good idea, and Babel does not yet support Python 3 | How to format numbers by (several different) locales in Python 3 | 1.2 | 0 | 0 | 177 |
15,552,788 | 2013-03-21T16:18:00.000 | 1 | 0 | 0 | 0 | python,xmpp,chat | 15,570,548 | 1 | true | 0 | 0 | In case it helps anyone, I figured it out. You just need to specify an id attribute in each chat message. They can be random id's but each message should have a different one. I assume gtalk was 'blocking' repeated messages b/c it couldn't tell if the messages were distinct or just repeats without an id. | 1 | 1 | 0 | I've created an XMPP chat client in python. Chat generally works except it seems that Google Talk 'blocks' some messages when sending from my chat client to a user using Google Talk. For example, if I send the same one word message 'hi' multiple times to gtalk user, it only displays it once. However, when sending that ... | XMPP Chat Client - Some IM messages to Google Talk don't get received | 1.2 | 0 | 1 | 277 |
15,553,685 | 2013-03-21T17:02:00.000 | 2 | 0 | 1 | 0 | python,linux,select,epoll | 15,554,684 | 1 | true | 0 | 0 | Have the object write to one side of a pipe(2), and pass the other end to epoll.register(). Obviously the object can't run in the same thread and at the same time as epoll.poll(). But that still leaves other valid usescases. | 1 | 3 | 0 | Is it possible to create an object that will support epoll()?
I assume the epoll_* system calls depending on a compatible system fd makes it difficult, if not impossible, to create an object with a compatible 'pseudo fd'- but thought I'd see if I was wrong. ( it happens :p ) | Creating epoll()able objects | 1.2 | 0 | 0 | 192 |
15,555,468 | 2013-03-21T18:35:00.000 | 1 | 1 | 0 | 1 | python,nose | 15,581,683 | 2 | true | 0 | 0 | It looks like the expected way to handle this in nose is to use the logger framework within your tests, and then control the level to be captured with the --logging-level option.
By default nose will capture all logs made by the tests, but a filter can be specified using --logging-filter config parameter. | 1 | 4 | 0 | I've got some tests which log to stdout, and I'd like to change the log level in my test script based on the verbosity that nose is running on.
How can I access the verbosity of the running nose instance, from within one of the tests being run? | Accessing nose verbosity programmatically | 1.2 | 0 | 0 | 930 |
15,557,790 | 2013-03-21T20:49:00.000 | 1 | 0 | 1 | 0 | python | 15,557,820 | 3 | false | 0 | 0 | Use negative indexing.
seq[-1] is the last element of a sequence. seq[-3:] gives you the last three. | 1 | 0 | 0 | e.g., for a sequence of unknown length, what is the most "Pythonic" way of getting the last n elements?
Obviously I could calculate the starting and ending indices. Is there anything slicker? | Is there a Python idiom for the last n elements of a sequence? | 0.066568 | 0 | 0 | 306 |
15,562,446 | 2013-03-22T03:55:00.000 | 0 | 0 | 0 | 0 | python,flask,flask-extensions | 63,349,977 | 16 | false | 1 | 0 | Google Cloud VM instance + Flask App
I hosted my Flask Application on Google Cloud Platform Virtual Machine.
I started the app using python main.py But the problem was ctrl+c did not work to stop the server.
This command $ sudo netstat -tulnp | grep :5000 terminates the server.
My Flask app runs on port 5000 by default... | 3 | 154 | 0 | I want to implement a command which can stop flask application by using flask-script.
I have searched the solution for a while. Because the framework doesn't provide app.stop() API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3. | How to stop flask application without using ctrl-c | 0 | 0 | 0 | 204,744 |
15,562,446 | 2013-03-22T03:55:00.000 | -6 | 0 | 0 | 0 | python,flask,flask-extensions | 56,710,034 | 16 | false | 1 | 0 | For Windows, it is quite easy to stop/kill flask server -
Goto Task Manager
Find flask.exe
Select and End process | 3 | 154 | 0 | I want to implement a command which can stop flask application by using flask-script.
I have searched the solution for a while. Because the framework doesn't provide app.stop() API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3. | How to stop flask application without using ctrl-c | -1 | 0 | 0 | 204,744 |
15,562,446 | 2013-03-22T03:55:00.000 | 6 | 0 | 0 | 0 | python,flask,flask-extensions | 59,755,698 | 16 | false | 1 | 0 | If you're working on the CLI and only have one flask app/process running (or rather, you just want want to kill any flask process running on your system), you can kill it with:
kill $(pgrep -f flask) | 3 | 154 | 0 | I want to implement a command which can stop flask application by using flask-script.
I have searched the solution for a while. Because the framework doesn't provide app.stop() API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3. | How to stop flask application without using ctrl-c | 1 | 0 | 0 | 204,744 |
15,564,876 | 2013-03-22T07:20:00.000 | -2 | 0 | 1 | 0 | python,regex | 15,564,998 | 2 | false | 0 | 0 | I think you are looking for a way to extract Proper Nouns out of sentences. You should look at NLTK for proper approach. Regex can be only helpful of a limited context free grammer. On the other hand you seem to asking for ability to parse human language which is non-trivial (for computers). | 1 | 5 | 0 | I want to look for a phrase, match up to a few words following it, but stop early if I find another specific phrase.
For example, I want to match up to three words following "going to the", but stop the matching process if I encounter "to try". So for example "going to the luna park" will result with "luna park"; "goin... | Regular Expressions: Match up to a word or a maximum number of words | -0.197375 | 0 | 0 | 309 |
15,566,117 | 2013-03-22T08:49:00.000 | 0 | 1 | 1 | 0 | python,unit-testing,testing,language-agnostic | 15,566,501 | 8 | false | 0 | 0 | I can't see an easy way to refactor a test suite, and depending on the extent of your refactor you're obviously going to have to change the test suite. How big is your test suite?
Refactoring properly takes time and attention to detail (and a lot of Ctrl+C Ctrl+V!). Whenever I've refactored my tests I don't try and fin... | 6 | 9 | 0 | I have a test suit for my app. As the test suit grew organically, the tests have a lot of repeated code which can be refactored.
However I would like to ensure that the test suite doesn't change with the refactor. How can test that my tests are invariant with the refactor.
(I am using Python+UnitTest), but I guess the ... | How do i test/refactor my tests? | 0 | 0 | 0 | 432 |
15,566,117 | 2013-03-22T08:49:00.000 | 2 | 1 | 1 | 0 | python,unit-testing,testing,language-agnostic | 15,566,738 | 8 | false | 0 | 0 | Interesting question - I'm always keen to hear discussions of the type "how do I test the tests?!". And good points from @marksweb above too.
It's always a challenge to check your tests are actually doing what you want them to do and testing what you intend, but good to get this right and do it properly. I always try ... | 6 | 9 | 0 | I have a test suit for my app. As the test suit grew organically, the tests have a lot of repeated code which can be refactored.
However I would like to ensure that the test suite doesn't change with the refactor. How can test that my tests are invariant with the refactor.
(I am using Python+UnitTest), but I guess the ... | How do i test/refactor my tests? | 0.049958 | 0 | 0 | 432 |
15,566,117 | 2013-03-22T08:49:00.000 | 0 | 1 | 1 | 0 | python,unit-testing,testing,language-agnostic | 15,566,925 | 8 | false | 0 | 0 | Don't refactor the test suite.
The purpose of refactoring is to make it easier to maintain the code, not to satisfy some abstract criterion of "code niceness". Test code doesn't need to be nice, it doesn't need to avoid repetition, but it does need to be thorough. Once you have a test that is valid (i.e. it really does... | 6 | 9 | 0 | I have a test suit for my app. As the test suit grew organically, the tests have a lot of repeated code which can be refactored.
However I would like to ensure that the test suite doesn't change with the refactor. How can test that my tests are invariant with the refactor.
(I am using Python+UnitTest), but I guess the ... | How do i test/refactor my tests? | 0 | 0 | 0 | 432 |
15,566,117 | 2013-03-22T08:49:00.000 | 1 | 1 | 1 | 0 | python,unit-testing,testing,language-agnostic | 15,567,104 | 8 | false | 0 | 0 | In theory you could write a test for the test, mocking the actualy object under test.But I guess that is just way to much work and not worth it.
So what you are left with are some strategies, that will help, but not make this fail safe.
Work very carefully and slowly. Use the features of you IDEs as much as possible i... | 6 | 9 | 0 | I have a test suit for my app. As the test suit grew organically, the tests have a lot of repeated code which can be refactored.
However I would like to ensure that the test suite doesn't change with the refactor. How can test that my tests are invariant with the refactor.
(I am using Python+UnitTest), but I guess the ... | How do i test/refactor my tests? | 0.024995 | 0 | 0 | 432 |
15,566,117 | 2013-03-22T08:49:00.000 | 0 | 1 | 1 | 0 | python,unit-testing,testing,language-agnostic | 15,587,332 | 8 | false | 0 | 0 | Test code can be the best low level documentation of your API since they do not outdate as long as they pass and are correct. But messy test code doesn't serve that purpose very well. So refactoring is essential.
Also might your tested code change over time. So do the tests. If you want that to be smooth, code duplicat... | 6 | 9 | 0 | I have a test suit for my app. As the test suit grew organically, the tests have a lot of repeated code which can be refactored.
However I would like to ensure that the test suite doesn't change with the refactor. How can test that my tests are invariant with the refactor.
(I am using Python+UnitTest), but I guess the ... | How do i test/refactor my tests? | 0 | 0 | 0 | 432 |
15,566,117 | 2013-03-22T08:49:00.000 | 3 | 1 | 1 | 0 | python,unit-testing,testing,language-agnostic | 15,649,053 | 8 | false | 0 | 0 | Coverage.py is your friend.
Move over all the tests you want to refactor into "system tests" (or some such tag). Refactor the tests you want (you would be doing unit tests here right?) and monitor the coverage:
After running your new unit tests but before running the system tests
After running both the new unit tests ... | 6 | 9 | 0 | I have a test suit for my app. As the test suit grew organically, the tests have a lot of repeated code which can be refactored.
However I would like to ensure that the test suite doesn't change with the refactor. How can test that my tests are invariant with the refactor.
(I am using Python+UnitTest), but I guess the ... | How do i test/refactor my tests? | 0.07486 | 0 | 0 | 432 |
15,569,151 | 2013-03-22T11:23:00.000 | 2 | 0 | 1 | 0 | python,debugging,matlab,ipython | 23,613,002 | 7 | false | 0 | 0 | I have been moved from matlab and R to python. I have tried different editors so I can give you some advices.
1- Spyder is the closer to matlab but my impression is that it is not very good. It often crash when I start to run long simulation with a lot of data.
If you are new to python I suggest you to use this one f... | 1 | 9 | 0 | I'm trying to migrate from Matlab to python. One of the things that is nice about Matlab is that when debugging I can put a breakpoint in some code and do something to call that code form the command line. Using PyCharm + IPython I haven't found a way to do this in Python. It seems I have to run an entire script in ... | Debugging with breakpoints from console in Python | 0.057081 | 0 | 0 | 6,830 |
15,570,452 | 2013-03-22T12:34:00.000 | 1 | 1 | 1 | 1 | python,phpstorm | 16,013,655 | 1 | true | 0 | 0 | Use Settings | File Types | Ignore Files and Folders to exclude directories by name or pattern. | 1 | 1 | 0 | I was wondering if anyone knew a code fix to the pstorm python script where you could exclude directories from being indexed in a directory when you open it from the command line.
I know this is not currently a feature in the IDE but maybe there is a work around someone knows of.
Thanks | Exclude Directories when using Pstorm in PhpStorm | 1.2 | 0 | 0 | 174 |
15,572,295 | 2013-03-22T14:04:00.000 | 14 | 1 | 0 | 1 | python,eclipse,pydev | 15,580,217 | 1 | true | 0 | 0 | PyDev has a find references with Ctrl+Shift+G (not sure that'd be what you're calling a call hierarchy). | 1 | 12 | 0 | Is there a way to get a good call hierarchy in PyDev?
I want to be able to select a function and see in which files it is called and eventually by which other functions. I tried the Hierarchy View in Eclipse by pressing F4, but it does not output what I want. | Good Call Hierarchy in Eclipse/PyDev | 1.2 | 0 | 0 | 4,318 |
15,573,229 | 2013-03-22T14:47:00.000 | 4 | 0 | 1 | 0 | python,metaprogramming | 15,573,285 | 1 | true | 0 | 0 | You don't provide it to type as an argument, the metaclass would subclass type itself, so you would call the metaclass' constructor instead. | 1 | 3 | 0 | I would like to create a new type using type(...). How do I provide the Meta class for this type? | In python, how would I create a new type from scratch which has a Meta class in it | 1.2 | 0 | 0 | 75 |
15,575,466 | 2013-03-22T16:35:00.000 | 24 | 0 | 0 | 0 | python,graph,matplotlib | 15,578,952 | 1 | true | 0 | 0 | You can save the images in a vector format so that they will be scalable without quality loss. Such formats are PDF and EPS. Just change the extension to .pdf or .eps and matplotlib will write the correct image format. Remember LaTeX likes EPS and PDFLaTeX likes PDF images. Although most modern LaTeX executables are PD... | 1 | 18 | 1 | I am using a python program to produce some data, plotting the data using matplotlib.pyplot and then displaying the figure in a latex file.
I am currently saving the figure as a .png file but the image quality isn't great. I've tried changing the DPI in matplotlib.pyplot.figure(dpi=200) etc but this seems to make litt... | How do you improve matplotlib image quality? | 1.2 | 0 | 0 | 18,876 |
15,575,872 | 2013-03-22T16:54:00.000 | 1 | 0 | 1 | 0 | python,multithreading,user-interface,parallel-processing,queue | 15,576,036 | 1 | true | 0 | 1 | Most GUI systems are event driven and expect all event handling to come from a single thread. This is true of the Windows event system, Android events, Swing, and probably many others. In the case of GUIs, the practical benefit of making all the event management functions thread-safe is small, while the difficulty is q... | 1 | 0 | 0 | My main question: can you have several processes write to one queue in a loop and use that queue to update a GUI?
I have been looking at the posts regarding queues and multiple processes and I was wondering if anyone had any idea if it is possible or beneficial to use combinations of them.
My thought process is this: ... | Shared queue across multiple processes | 1.2 | 0 | 0 | 356 |
15,577,185 | 2013-03-22T18:13:00.000 | 3 | 1 | 0 | 0 | java,python,c,modulo | 15,577,257 | 4 | true | 0 | 0 | Python's %-operator calculates the mathematical remainder, not the modulus. The remainder is by definition a number between 0 and the divisor, it doesn't depend on the sign of the dividend like the modulus. | 1 | 4 | 0 | Why modulo operator is not working as intended in C and Java? | Why -1%26 = -1 in Java and C, and why it is 25 in Python? | 1.2 | 0 | 0 | 963 |
15,578,942 | 2013-03-22T20:02:00.000 | 6 | 1 | 0 | 0 | python,selenium | 15,579,077 | 3 | false | 0 | 0 | Selenium isn't actually a testing framework, it's a browser driver. You don't write tests in Selenium any more than you write GUI apps in OpenGL. You usually write tests in a unit testing framework like unittest, or something like nose or lettuce built on top of it. Your tests then use Selenium to interact with a br... | 2 | 0 | 0 | I wonder, what is the advantage of using selenium for automation if at the end of the test he emits no reports where the test passed or failed? | Selenium Webdriver Testing - Python | 1 | 0 | 1 | 590 |
15,578,942 | 2013-03-22T20:02:00.000 | 0 | 1 | 0 | 0 | python,selenium | 15,594,935 | 3 | false | 0 | 0 | Its up to the discretion of the user what to do with the selenium webdriver automation and how to report the test results. Selenium webdriver will give you the power to control your web browser and to automate your web application tests.
Same as how you have to program in any other automation tool the conditions for c... | 2 | 0 | 0 | I wonder, what is the advantage of using selenium for automation if at the end of the test he emits no reports where the test passed or failed? | Selenium Webdriver Testing - Python | 0 | 0 | 1 | 590 |
15,579,545 | 2013-03-22T20:45:00.000 | 0 | 0 | 0 | 0 | python,webapp2,temporary-files | 15,587,348 | 1 | false | 1 | 0 | I would suggest using a client-created UUID on the server, and when the server stores it, send back an error (forcing a retry) to the client. Under most circumstances, the UUID will be completely unique and won't collide with anything already stored. If it does, the client can pick a new name and try again. If you... | 1 | 0 | 0 | What's the best way to name and store a generated file on a server, such that if the user requests the file in the next 5 minutes or so, you return it, otherwise, return an error code? I am using Python and Webapp2 (although this would work with any WSGI server). | Store file on server for a short time period | 0 | 0 | 0 | 79 |
15,582,962 | 2013-03-23T03:19:00.000 | 1 | 0 | 1 | 0 | python,linux,rest,concurrency,parallel-processing | 15,583,041 | 1 | true | 0 | 0 | No, multiple python processes executed separately will not share threads or any other state.
The most likely case is that 300MB/s is either the fastest your client can support, or the fastest your server can support.
300MB/s is extremely fast, so much so that I wonder if you haven't confused megabytes with megabits. | 1 | 2 | 0 | I have a Python script that sends 4GB worth of data to a server in 10MB chunks using REST API. No matter how many of these scripts I invoke concurrently, I get exactly the same overall throughput client-side (10Gb network, server class system):
1 invocation = 300MB/s
2 invocations = 300MB/s
4 invocations = 300MB/s
8 i... | Does only one Python interpreter execute multiple concurrent scripts? | 1.2 | 0 | 0 | 371 |
15,591,618 | 2013-03-23T20:19:00.000 | 0 | 0 | 0 | 0 | python,wysiwyg | 15,591,769 | 3 | false | 0 | 1 | See Glade, particularly in use with the libglade Python bindings. | 1 | 0 | 0 | I am searching for month now and growing quite frustrated.
I just love python.
So after doing a lot of console based stuff I wanted to do some graphical UIs as well.
I am aware of most of the frameworks (wxpython, glade, tk etc).
But: I do not want to write the code for the GUI itself per hand! Declaring every element... | Is there really no event based wysiwyg Gui builder for python/jython etc | 0 | 0 | 0 | 5,155 |
15,592,613 | 2013-03-23T22:04:00.000 | 1 | 0 | 0 | 0 | python,gtk | 15,596,366 | 1 | true | 0 | 1 | Your editor is most likely saving the source file in another encoding, such as Latin-1 or Windows-1252, where GTK expects UTF-8. Try replacing "après" with u"apr\u00e8s".encode("utf-8"). If that makes it work, the problem lies there.
To correctly fix the problem, you need to:
declare the encoding to Python using the #... | 1 | 0 | 0 | The python code: menu_item = gtk.MenuItem("après") gives a warning message: Gtk warning Invalid input string and the menu item is not shown. What should I add / change to have the menu item displayed? | Gtk gives a warning and won't show my menu item | 1.2 | 0 | 0 | 460 |
15,592,980 | 2013-03-23T22:45:00.000 | 0 | 0 | 0 | 0 | python,netezza | 15,643,468 | 3 | false | 0 | 0 | You need to get the nzcli installed on the machine that you want to run nzload from - your sysadmin should be able to put it on your unix/linux application server. There's a detailed process to setting it all up, caching the passwords, etc - the sysadmin should be able to do that to.
Once it is set up, you can create N... | 2 | 2 | 1 | I have a huge csv file which contains millions of records and I want to load it into Netezza DB using python script I have tried simple insert query but it is very very slow.
Can point me some example python script or some idea how can I do the same?
Thank you | How to use NZ Loader (Netezza Loader) through Python Script? | 0 | 1 | 0 | 4,583 |
15,592,980 | 2013-03-23T22:45:00.000 | 1 | 0 | 0 | 0 | python,netezza | 17,522,337 | 3 | false | 0 | 0 | you can use nz_load4 to load the data,This is the support utility /nz/support/contrib/bin
the syntax is same like nzload,by default nz_load4 will load the data using 4 thread and you can go upto 32 thread by using -tread option
for more details use nz_load4 -h
This will create the log files based on the number of thr... | 2 | 2 | 1 | I have a huge csv file which contains millions of records and I want to load it into Netezza DB using python script I have tried simple insert query but it is very very slow.
Can point me some example python script or some idea how can I do the same?
Thank you | How to use NZ Loader (Netezza Loader) through Python Script? | 0.066568 | 1 | 0 | 4,583 |
15,593,572 | 2013-03-24T00:09:00.000 | 0 | 0 | 0 | 0 | python,django,postgresql,postgis,geodjango | 15,593,621 | 3 | false | 1 | 0 | You're probably right, PostGIS/GeoDjango is probably overkill, but making your own Django app would not be too much trouble for your simple task. Django offers a lot in terms of templating, etc. and with the built in admin makes it pretty easy to enter single records. And GeoDjango is part of contrib, so you can always... | 1 | 0 | 0 | For my app, I need to determine the nearest points to some other point and I am looking for a simple but relatively fast (in terms of performance) solution. I was thinking about using PostGIS and GeoDjango but I think my app is not really that "geographic" (I still don't really know what that means though). The geograp... | Django + postgreSQL: find near points | 0 | 1 | 0 | 689 |
15,593,813 | 2013-03-24T00:41:00.000 | 1 | 0 | 0 | 0 | python,loading,gif | 15,593,845 | 1 | true | 0 | 1 | Simply put, you cannot display multi-frame GIFs in Pygame, unless you use an extra library. Instead, explode your GIF. You will have to do everything manually, as Pygame does not control flow time, etc, which is necessary for animated GIFs. | 1 | 2 | 0 | Does anyone know a simple way to load a .gif image into python using pygame? I tried loading a .gif image using 'pygame.image.load(path)' which worked although only the first frame loaded.Ever since I had to use a loop to display multiple images at once. | Loading a multiframe/moving .gif image into python using pygame | 1.2 | 0 | 0 | 944 |
15,608,229 | 2013-03-25T05:27:00.000 | 36 | 0 | 1 | 0 | python,python-3.x | 15,608,332 | 3 | false | 0 | 0 | There are a couple of things to understand here. One is the difference between buffered I/O and unbuffered I/O. The concept is fairly simple - for buffered I/O, there is an internal buffer which is kept. Only when that buffer is full (or some other event happens, such as it reaches a newline) is the output "flushed". W... | 1 | 53 | 0 | There is a boolean optional argument to the print() function flush which defaults to False.
The documentation says it is to forcibly flush the stream.
I don't understand the concept of flushing. What is flushing here? What is flushing of stream? | What does print()'s `flush` do? | 1 | 0 | 0 | 30,447 |
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