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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13,702,106 | 2012-12-04T11:42:00.000 | 1 | 0 | 1 | 0 | python,qt,windows-8,pyside,stackless | 16,126,325 | 2 | false | 0 | 1 | I had the same problem with Pyside 1.1.2 and Qt 4.8.4. The solution for me was to set the compatibility mode of the Python executable to Windows 7 via right click on the executable -> Properties -> Compatiblity -> Run this program in compatibility mode for: Windows 7
Hope that helps. | 2 | 2 | 0 | I cannot get my code to run on my win8 laptop. I am working with a combination of:
Stackless Python 2.7.2
Qt 4.8.4
PySide 1.1.2
Eclipse/Pydev and WingIDE
This works well on my Win7 PC, but now i have bought a demo laptop with windows 8. As far as I know all is installed the same way as on my PC.
When i run my program... | windows 8 incompatibility? | 0.099668 | 0 | 0 | 2,146 |
13,702,106 | 2012-12-04T11:42:00.000 | 0 | 0 | 1 | 0 | python,qt,windows-8,pyside,stackless | 13,881,726 | 2 | false | 0 | 1 | try using Hyper-V however Hyper-V is not installed by default in Windows 8. You need to go "Turn Windows features on or off." | 2 | 2 | 0 | I cannot get my code to run on my win8 laptop. I am working with a combination of:
Stackless Python 2.7.2
Qt 4.8.4
PySide 1.1.2
Eclipse/Pydev and WingIDE
This works well on my Win7 PC, but now i have bought a demo laptop with windows 8. As far as I know all is installed the same way as on my PC.
When i run my program... | windows 8 incompatibility? | 0 | 0 | 0 | 2,146 |
13,707,922 | 2012-12-04T16:54:00.000 | 1 | 0 | 0 | 1 | python,google-app-engine,blob,blobstore | 13,714,228 | 1 | true | 1 | 0 | When you upload data to the blobstore you receive a blob_key and a file_name. The blob_key is unique. The file_name is NOT unique. When you do another upload with the same file_name a new version is stored in the blobstore with the same file_name and a new unique blob_key. The first blob is NOT deleted. You have to do ... | 1 | 1 | 0 | I am building a service where you can upload images. On the blob creation I would like to supply a key_name, which will be used by the relevant entity to retrieve it later. | Can I store a blob with a key_name with Google Appengine ndb? | 1.2 | 0 | 0 | 337 |
13,710,631 | 2012-12-04T19:42:00.000 | 3 | 0 | 1 | 0 | python | 13,710,665 | 4 | false | 0 | 0 | You've got the ternary syntax x if x else '' - is that what you're after? | 1 | 305 | 0 | In C#, I can say x ?? "", which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
Is there a way to return a default value if Python finds None in a variable? | Is there shorthand for returning a default value if None in Python? | 0.148885 | 0 | 0 | 276,258 |
13,711,765 | 2012-12-04T20:56:00.000 | 0 | 0 | 1 | 1 | python | 13,711,840 | 2 | false | 0 | 0 | Install both pythons, and change the path in Windows, by default both Pythons will be PATH=c:\python\python 2.7 and PATH=c:\python\python 3.2 Or something like that. What and since windows stops as soon as it finds the first python, what you could do is have one called PATH=c:\python27\ and another PATH=c:\python32\ th... | 1 | 1 | 0 | I try to save a python script as a shortcut that I want to run. It opens it but then closes right away.
I know why it is doing this, it is opening my windows command line in python3.2 the script is in python 2.7
I need both version on my PC, my question is how to I change the cmd default.
I have tried to "open with" sh... | changing python windows command line | 0 | 0 | 0 | 538 |
13,715,508 | 2012-12-05T02:47:00.000 | 3 | 0 | 1 | 0 | python,pydev | 13,715,560 | 2 | true | 0 | 0 | Highlight all the code and use Tab and Shift+Tab.
EDIT: You can also highlight the code, right-click on selection, and choose Shift+► (or to unindent, Shift+◄). | 1 | 2 | 0 | I'm working with pydev on eclipse, and I'm wondering if there is a way to circumvent the indentation, or at least quickly edit indentation in files.
For example, if I make a handful of methods, but then want to put them under a class umbrella, is there an easy way of doing this in terms of indentation, or do I need to ... | Fixing Python Indentation When Including in a Method or a Class | 1.2 | 0 | 0 | 288 |
13,716,319 | 2012-12-05T04:29:00.000 | 1 | 0 | 0 | 0 | python,time,timestamp,unix-timestamp | 13,716,366 | 3 | false | 0 | 0 | The seconds are just an ordinary decimal number, so "41.229431" means 41.229431 seconds after the start of the minute. Since there are six digits after the decimal, that means that the precision of the timestamp extends to microseconds in this case, but there could just as easily be fewer or many more digits. | 2 | 1 | 0 | I have been trying to figure out what kind of timestamp takes this form:
2012-07-02T21:27:41.229431
It seems like it is some sort of unix time, but I can't figure out what the 6 digits after the decimal point represent.
I'm assuming 21 is the hour, 27 is the minute, and 41 is the second. Obviously next would be millise... | I'm having trouble figuring out what this time stamp means | 0.066568 | 0 | 0 | 674 |
13,716,319 | 2012-12-05T04:29:00.000 | 0 | 0 | 0 | 0 | python,time,timestamp,unix-timestamp | 13,716,332 | 3 | false | 0 | 0 | ISO-8601
The 6 digits after the decimal are microseconds. | 2 | 1 | 0 | I have been trying to figure out what kind of timestamp takes this form:
2012-07-02T21:27:41.229431
It seems like it is some sort of unix time, but I can't figure out what the 6 digits after the decimal point represent.
I'm assuming 21 is the hour, 27 is the minute, and 41 is the second. Obviously next would be millise... | I'm having trouble figuring out what this time stamp means | 0 | 0 | 0 | 674 |
13,718,656 | 2012-12-05T07:59:00.000 | 0 | 0 | 0 | 0 | python,django,django-models | 13,718,988 | 5 | false | 1 | 0 | you can separate the model file like this :
-------models/
-------------- init.py
-------------- usermodels.py
--------------othermodel.py
in the init.py:
---------------from usermodels import *
---------------from othermodel import *
and in the *models.py , add META class:
--------class Meta:
--------------app_... | 1 | 8 | 0 | Currently all my models are in models.py. Ist becomming very messy.
Can i have the separate file like base_models.py so that i put my main models there which i don't want to touch
Also same case for views and put in separate folder rather than develop a new app | Can i divide the models in different files in django | 0 | 0 | 0 | 2,427 |
13,721,808 | 2012-12-05T11:03:00.000 | 1 | 1 | 0 | 1 | python,python-3.x,daemon,launch-daemon | 13,722,236 | 2 | true | 0 | 0 | Suppose for python script name is monitor. use following steps:
copy monitor script in /usr/local/bin/ (not necessary)
Also add a copy in /etc/init.d/
Then execute following command to make it executable
sudo -S chmod "a+x" "/etc/init.d/monitor"
At last run update.rc command
sudo -S update-rc.d "monitor" "default... | 1 | 2 | 0 | I am writing a script in python3 for Ubuntu that should be executed all X Minutes and should automatic start after logging in. Therefore I want to create a daemon (is it the right solution for that?) but I haven't found any modules / examples for python3, just for python 2.X. Do you know something what I can work with?... | Daemon with python 3 | 1.2 | 0 | 0 | 3,305 |
13,722,760 | 2012-12-05T11:57:00.000 | 4 | 1 | 1 | 0 | python | 13,722,800 | 2 | false | 0 | 0 | Unit testing is the best way to handle this. If you think the testing is taking too much time, ask yourself how much time you are loosing on defects - identifying, diagnosing and rectifying - after you have released the code.
In effect, you are testing in production, and there's plenty of evidence to show that defects ... | 1 | 0 | 0 | I've always have trouble with dynamic language like Python.
Several troubles:
Typo error, I can use pylint to reduce some of these errors. But there's still some errors that pylint can not figure out.
Object type error, I often forgot what type of the parameter is, int? str? some object? Also, forgot the type of some ... | How to reduce errors in dynamic language such as python, and improve my code quality？ | 0.379949 | 0 | 0 | 166 |
13,725,567 | 2012-12-05T14:35:00.000 | 3 | 0 | 1 | 0 | python,excel,time,number-formatting,datanitro | 13,725,706 | 2 | true | 0 | 0 | If .355556 (represented as 8:32) is in A1 then =HOUR(A1)&":"&MINUTE(A1) and Copy/Paste Special Values should get you to a string. | 1 | 1 | 0 | I have a list of times in h:m format in an Excel spreadsheet, and I'm trying to do some manipulation with DataNitro but it doesn't seem to like the way Excel formats times.
For example, in Excel the time 8:32 is actually just the decimal number .355556 formatted to appear as 8:32. When I access that time with DataNitro... | Converting time with Python and DataNitro in Excel | 1.2 | 1 | 0 | 488 |
13,727,279 | 2012-12-05T15:58:00.000 | 0 | 0 | 0 | 0 | python,pyqt4,opensuse,kde-plasma,pyrcc | 13,730,501 | 2 | false | 0 | 1 | Well, turns out all I needed was to install the extra package python-qt4-utils ontop of the existing python-qt4. Now, I have the sought after utilities in place. | 1 | 1 | 0 | Am working on a pyqt app, done the ui via qt-designer 4.8.1, and generated the corresponding py file using pykdeuic4 (available on OpenSuse 12.2), but can't find an equivalent for pyrcc4 to hadle the *.qrc files.
what's the equivalent tool/command?
Edit:
Most of the documentation on using QtDesigner with PyQt, indicat... | Equivalent of pyrcc4 on KDE | 0 | 0 | 0 | 452 |
13,728,325 | 2012-12-05T16:54:00.000 | 1 | 1 | 0 | 1 | python,z3 | 13,730,652 | 2 | true | 0 | 0 | Yes, you can do it by including the build directory in your LD_LIBRARY_PATH and PYTHONPATH environment variables. | 1 | 2 | 0 | I'm trying to use Z3 from its python interface, but I would prefer not to do a system-wide install (i.e. sudo make install). I tried doing a local install with a --prefix, but the Makefile is hard-coded to install into the system's python directory.
Best case, I would like run z3 directly from the build directly, in t... | Can I use Z3Py withouth doing a system-wide install? | 1.2 | 0 | 0 | 540 |
13,728,955 | 2012-12-05T17:27:00.000 | 0 | 0 | 0 | 0 | python,mongodb | 13,729,295 | 2 | false | 0 | 0 | If this is an inescapable problem, you could split the array of ids across multiple queries and then merge the results client-side. | 1 | 0 | 0 | I've implemented a breadth first search with a PyMongo social network. It's breadth first to reduce the number of connections. Now I get queries like coll.find({"_id":{"$in":["id1", "id2", ...]}} with a huge number of ids. PyMongo does not process some of these big queries due to their size.
Is there a technical soluti... | Large size query with PyMongo? | 0 | 1 | 0 | 116 |
13,729,740 | 2012-12-05T18:14:00.000 | 0 | 1 | 1 | 0 | python | 13,729,994 | 3 | true | 0 | 0 | The print "foo-bar" trick is basically what people do for quick&dirty scripts. However, if you have lots and lots of loops, you don't want to print a line for each one. Besides the fact that it'll fill the scrollback buffer of your terminal, on many terminals it's hard to see whether anything is happening when all it's... | 1 | 1 | 0 | Simple question:
Is there some code or function I can add into most scripts that would let me know its "running"?
So after you execute foo.py most people would see a blinking cursor. I currently am running a new large script and it seems to be working, but I wont know until either an error is thrown or it finish(might... | Code to check a scripts activity (python) | 1.2 | 0 | 0 | 131 |
13,730,790 | 2012-12-05T19:18:00.000 | 1 | 0 | 0 | 0 | python,linux,web-applications,chown | 13,730,842 | 1 | true | 1 | 0 | The proper way is to compile to bytecode on install so that .pyc files never need to be created on the fly. The rest is basic stuff, like "never use 0777/0666". | 1 | 1 | 0 | I've been using chown www-data:www-data -R /path/to/my/django-app/ and simply letting my virtualenv's dirs / files be owned by root (since sudo pip install foo implies that by default). This just doesn't feel right though. Is this pretty typical, or, should www-data only own directories that it can upload files to? If ... | What user should own my Python scripts and application directories? | 1.2 | 0 | 0 | 112 |
13,734,601 | 2012-12-05T23:44:00.000 | 1 | 0 | 0 | 0 | python,xmpp,message | 13,739,615 | 2 | false | 0 | 0 | I cannot give you a specific python example, but I explain how the logic works.
When you send a message to a bare Jid then it depends on the server software or configuration how its routed. Some servers send the message to the "most available resource", and some servers send it to all resources. E.g. Google Talk sends ... | 1 | 1 | 0 | How can I send one XMPP message to all connected clients/resources using a Python libraries for example:
xmpppy, jabber.py, jabberbot. Any other commandline solution is well.
So far I've only been able to send an echo or a single message to only one client.
The purpose is to send a message to all resources/clients con... | Send an xmpp message to all connected clients/resources | 0.099668 | 0 | 1 | 1,722 |
13,735,024 | 2012-12-06T00:30:00.000 | 12 | 0 | 0 | 0 | python,flask | 21,083,908 | 4 | false | 1 | 0 | If you have security concerns (and everyone should have) There is the answer:
This is not REALLY possible
Flask uses cookie-based sessions. When you edit or delete session, you send a REQUEST to CLIENT to remove the cookie, normal clients (browsers) will do. But if session hijacked by an attacker, the attacker's sessio... | 1 | 27 | 0 | How do I create a new clean session and invalidate the current one in Flask?
Do I use make_null_session() or open_session()? | Invalidate an old session in Flask | 1 | 0 | 0 | 25,119 |
13,736,310 | 2012-12-06T03:07:00.000 | 1 | 0 | 1 | 1 | python,loops | 13,736,441 | 1 | false | 0 | 0 | The simplest solution is to add a variable outside of the loop which stores the last time the data size was checked. Every time through your loop you can compare the current time vs the last time every time through the loop and check if more than X time has elapsed. | 1 | 0 | 0 | I'm just starting out with Python. And I need help understanding how to do the main loop of my program.
I have a source file with two columns of data, temperature & time. This file gets updated every 60 seconds by a bash script.
I successfully wrote these three separate programs;
1. A program that can read the last 144... | Understanding an element of the main loop | 0.197375 | 0 | 0 | 70 |
13,737,315 | 2012-12-06T05:09:00.000 | 1 | 0 | 1 | 0 | python,split | 13,737,367 | 6 | false | 0 | 0 | Do a text substitution first then split.
e.g. replace all tabs with spaces, then split on space. | 1 | 2 | 0 | ...note that values will be delimited by one or more space or TAB characters
How can I use the split() method if there are multiple separating characters of different types, as in this case? | Splitting strings separated by multiple possible characters? | 0.033321 | 0 | 0 | 916 |
13,738,301 | 2012-12-06T06:44:00.000 | 6 | 0 | 1 | 0 | python,pyscripter | 15,842,157 | 3 | true | 0 | 1 | Goto pyscripter menus and check the box for clear output before run.
Tools>Options > IDE options > Python interpreter > Clear output before run.
Very useful in interactive sessions. | 1 | 3 | 0 | Is there a single command to clean the screen of the Python Interpreter every time one runs a code in PyScripter?
thanks, | Command to clean screen in PyScripter? | 1.2 | 0 | 0 | 2,810 |
13,746,872 | 2012-12-06T15:25:00.000 | 2 | 0 | 0 | 0 | python,chameleon,template-metal | 15,097,605 | 1 | true | 1 | 0 | Figured it out. You need to wrap the entire master template in a metal tag like so: <metal:macro metal:define-macro="layout"> <!DOCTYPE html> ... </html></metal:macro> | 1 | 3 | 0 | I've thoroughly RTFMed and Googled for this, and I can't seem to find the answer. I am new to Chameleon, so maybe it's just so obvious that it's no where to be found, but when I put
<!DOCTYPE html>
in my master template, the rendered page has it stripped out resulting in the dreaded quirksmode.
Is there a trick that I'... | How do you specify the html5 doctype with Python Chameleon? | 1.2 | 0 | 0 | 367 |
13,748,022 | 2012-12-06T16:26:00.000 | 4 | 1 | 1 | 0 | python,performance,cpu-usage,raspberry-pi,cpu-speed | 13,748,368 | 1 | true | 0 | 0 | While you sure can tinker with your program and make it more optimized, the fact is that all programs are generally designed to take as much CPU as they need in order to finish in smallest time possible.
I see two ways to achieve your goal:
Raspberry pi is Linux right? So just lower process priority of the python inte... | 1 | 1 | 0 | I have a python program that uses a lot of my CPU's resources. While it is fine on my regular PC, I'm afraid it might be too much to handle for my Raspberry Pi. Speed is not an issue. I don't care if my code is executed slowly as I am implementing a real time system that executes the code only once every few hours, but... | How do I reduce CPU and memory usage by a python program? | 1.2 | 0 | 0 | 5,970 |
13,748,166 | 2012-12-06T16:33:00.000 | 7 | 0 | 0 | 0 | python,django,multithreading,session,race-condition | 13,924,932 | 3 | true | 1 | 0 | Yes, it is possible for a request to start before another has finished. You can check this by printing something at the start and end of a view and launch a bunch of request at the same time.
Indeed the session is loaded before the view and saved after the view. You can reload the session using request.session = engine... | 1 | 8 | 0 | Summary: is there a race condition in Django sessions, and how do I prevent it?
I have an interesting problem with Django sessions which I think involves a race condition due to simultaneous requests by the same user.
It has occured in a script for uploading several files at the same time, being tested on localhost. I ... | Django session race condition? | 1.2 | 0 | 0 | 1,895 |
13,750,417 | 2012-12-06T18:48:00.000 | 1 | 1 | 0 | 0 | python,git,continuous-integration,flask,gunicorn | 13,767,025 | 1 | false | 1 | 0 | buildbot, jenkins/hudson but these give you continuous integration in the sense you can run a "make" equivalent with every code base change through a commit hook. You could also look at vagrant if there is something there for you for creating repeatable vm's wrt to config/setup. Could tie it with a commit hook. | 1 | 4 | 0 | How should I implement continuous integration on my new application? Currently, this is how we're pushing to production - please bear with me, I know this is far from sane:
From local, git push origin production (the production codebase is kept on the production branch, modifications are either written directly there ... | Continuous integration with python 2.7 / flask / mongoDB / git | 0.197375 | 0 | 0 | 1,085 |
13,751,271 | 2012-12-06T19:43:00.000 | 0 | 1 | 0 | 1 | python,arduino,interprocess,python-multithreading | 16,685,053 | 2 | false | 0 | 0 | Have WAMP server. It is the easiest and quickest way. The web server will support php, python , http etc.
If you are using Linux , the easiest tool for serial communication is php.
But in windows php cannot read data from serial communication. Hence use python / perl etc.
Thanks | 2 | 1 | 0 | The situation:
I have a python script to connect/send signals to serial connected arduino's. I wanted to know the best way to implement a web server, so that i can query the status of the arduinos. I want that both the "web server" part and serial connection runs on the same script. Is it possible, or do i have to brea... | python daemon + interprocess communication + web server | 0 | 0 | 1 | 544 |
13,751,271 | 2012-12-06T19:43:00.000 | 0 | 1 | 0 | 1 | python,arduino,interprocess,python-multithreading | 16,689,821 | 2 | true | 0 | 0 | For those wondering what I have opted for; I have decoupled the two part:
The Arduino daemon
I am using Python with a micro web framework called [Bottle][1] which handles the API calls and I have used PySerial to communicate with the Arduino's.
The web server
The canonical Apache and PHP; are used to make API calls to... | 2 | 1 | 0 | The situation:
I have a python script to connect/send signals to serial connected arduino's. I wanted to know the best way to implement a web server, so that i can query the status of the arduinos. I want that both the "web server" part and serial connection runs on the same script. Is it possible, or do i have to brea... | python daemon + interprocess communication + web server | 1.2 | 0 | 1 | 544 |
13,754,725 | 2012-12-06T23:48:00.000 | 2 | 0 | 1 | 0 | python,jython,robotframework | 13,769,988 | 1 | false | 1 | 0 | So after some reading and trial and error, it IS possible to use Selenium2Library with only Jython AS LONG AS you use jython 2.7+ ... jython 2.5.x is NOT compatible with Selenium2Library.
So you can get away with not using Python at all:
Install jython 2.7+
Install ez_setup.py
Install robot framework
Install Selenium... | 1 | 0 | 0 | Can I use Selenium2Library if I only have Jython? That is, I haven't installed Python, and was hoping to get away with not needing it. I've read conflicting information however that jybot CANNOT use selenium2library, and I'll need pybot to use it.
If jybot can't use selenium2Library, is there a way to have jybot call p... | Can I install Selenium2Library for RobotFramework without installing Python? | 0.379949 | 0 | 0 | 1,914 |
13,756,090 | 2012-12-07T02:32:00.000 | 0 | 1 | 0 | 0 | python,pyramid | 14,030,455 | 3 | false | 1 | 0 | This is somewhat a different answer than ohters but here is a completely different flow.
Write all your pages in html. Everything!!! and then use something like angularjs or knockoutjs to add dynamic content. Pyramid will serve dynamic content requested using ajax.
You can then map everything to you html templates...... | 1 | 3 | 0 | I'm switching to Pyramid from Apache/PHP/Smarty/Dreamweaver scheme.
I mean the situation of having static site in Apache with menu realized via Dreamweaver template or other static tools. And then if I wanted to put some dynamic content in html I could make the following:
Put smarty templates in html.
Create php beh... | How to make almost static site in Pyramid? | 0 | 0 | 0 | 720 |
13,756,269 | 2012-12-07T02:57:00.000 | 0 | 0 | 0 | 0 | python,ruby,node.js,grails,cloud | 13,756,326 | 2 | false | 1 | 0 | Memory footprint will certainly reflect on your PaaS expenses.
But to tell you what to use is hard without knowing more about the project.
Node.js per se is great, but it's not perfect for every case.
Python is very friendly for development, and has ok memory usage, but again - it all depends on what you're doing. | 1 | 4 | 0 | So, I have built and deployed a Grails app onto cloudfoundry.
And as I play around with examining instances & memory I start to wonder;
If my app's footprint is larger because of the technology I chose to develop it in, will it start costing me money sooner rather than later? Surely it must?
If that is the case, am I b... | Does a smaller application footprint mean cheaper PaaS costs? which language? | 0 | 0 | 0 | 216 |
13,760,852 | 2012-12-07T10:04:00.000 | 0 | 0 | 0 | 0 | python,soap,windows-7 | 45,009,606 | 1 | false | 0 | 0 | Open your command prompt (If python already installed and you have set python path in environment variable) then
c:> pip install zeep
c:> pip install lxml==3.7.3 zeep
c:> pip install zeep[xmlsec]
c:> pip install zeep[async]
Now you are ready to create SOAP call using python
1. c:/> Python
2. >>> from zeep import Clien... | 1 | 1 | 0 | I use Python 3.2. I have an API which uses SOAP. I need to perform a number of SOAP calls to modify some objects in a database. I'm trying to install a SOAP library which would work with Python 3.2 (or 2.7 if that's what it takes) in order to do my task.
If someone could give me some guidance how to go through with wha... | How to make SOAP calls in Python on Windows? | 0 | 0 | 1 | 1,697 |
13,762,051 | 2012-12-07T11:18:00.000 | 3 | 0 | 0 | 0 | python,session,cookies,ssl,wsgi | 13,762,690 | 1 | false | 1 | 0 | What's wrong with your protocol
You might want to consider the following:
Alice contacts your server and obtains an SSL session ID S. A cookie containing H(S) is sent to Alice.
Bob is listening in on the exchange. The SSL session ID is not encrypted, so he can read S.
Bob contacts your server with the session cookie s... | 1 | 1 | 0 | I'm reviewing the possibility and advisability of implementing wsgi-app to browser session management, without using any off the shelf middleware.
The general approach under consideration is to;
Use SSL between the browser and the server.
Expose the SSL session ID to the WSGI or OS.environment, to be used as a session ... | Session managment, SSL, WSGI and Cookies | 0.53705 | 0 | 0 | 690 |
13,768,732 | 2012-12-07T18:15:00.000 | 0 | 0 | 1 | 0 | python,hash,mechanize,autofill | 13,769,150 | 3 | false | 0 | 0 | If the requested form has always the same amount of forms you can find it by the form number (0 beeing the first form and so on)
Try br.select_form(nr=number) | 1 | 4 | 0 | I am trying to autofill a text box(multiple boxes) in a form using mechanize in python, but the name of the box(es) is a hash, so I can't automate the input like br.form['name'] = 'blah' since the name is an unknown hash from a hash function. Is there any way to do this? I've looked online and haven't been able to find... | Autofill if name = hash | 0 | 0 | 0 | 381 |
13,769,381 | 2012-12-07T19:01:00.000 | 0 | 0 | 1 | 0 | python,django,django-admin | 13,770,047 | 2 | false | 1 | 0 | The django package is hosted on your server. Have you considered changing the images for icon_error.png and icon_success.png, then resaving them with the same name on your filesystem?
The location where you can find the static image files within the django package is:
/ django / django / contrib / admin / static / adm... | 1 | 0 | 0 | How can I override default admin static files - for example icon_error.png, icon_success.png ? | How override default admin static files? | 0 | 0 | 0 | 118 |
13,771,694 | 2012-12-07T22:01:00.000 | 0 | 0 | 0 | 0 | python,pyqt,pyqt4,qtablewidget | 13,772,005 | 3 | false | 0 | 1 | If you disable the entire event loop, the app becomes unresponsive. And, even if the user doesn't notice, the OS might, and put up some kind of "hang" notification (like OS X's brightly-colored spinning beachball, which no user will ever miss).
You might want to disable repaints without disabling the event loop entirel... | 1 | 9 | 0 | I'm developing a GUI with PyQt. The GUI has a qListWidget, a qTableWidget, and a plot implemented with Mayavi. The list refers to shapes that are plotted (cylinders and cones for example). When a shape is selected in the list, I want the shape's properties to be loaded into the table (from a dictionary variable) and... | Turn off PyQt Event Loop While Editing Table | 0 | 0 | 0 | 13,515 |
13,772,750 | 2012-12-07T23:39:00.000 | 3 | 0 | 0 | 0 | python,django,django-taggit | 13,772,887 | 2 | true | 1 | 0 | The only technique I can think of would be to attach a custom pre_delete signal handler to every taggable model that checks if it was the last model with any particular tag. In the event that it is, delete that tag. | 1 | 2 | 0 | I think the title says it. Many tags are created and deleted but they still exist even when no more objects are using them.
Is there a way to make it check upon save and delete unused tags? | How can I have django-taggit tags deleted when there are no more objects attached to them? | 1.2 | 0 | 0 | 728 |
13,772,857 | 2012-12-07T23:52:00.000 | 0 | 0 | 0 | 0 | python,mysql,flot | 13,774,224 | 1 | false | 0 | 0 | Install a httpd server
Install php
Write a php script to fetch the data from the database and render it
as a webpage.
This is fairly elaborate request, with relatively little details given. More information will allow us to give better answers. | 1 | 0 | 1 | So I am trying to create a realtime plot of data that is being recorded to a SQL server. The format is as follows:
Database: testDB
Table: sensors
First record contains 3 records. The first column is an auto incremented ID starting at 1. The second column is the time in epoch format. The third column is my sensor d... | Plotting data using Flot and MySQL | 0 | 1 | 0 | 428 |
13,776,610 | 2012-12-08T10:27:00.000 | 1 | 0 | 0 | 1 | google-app-engine,python-2.7,google-cloud-datastore | 13,779,121 | 3 | false | 1 | 0 | The datastore typically saves to disk when you shut down. If you turned off your computer without shutting down the server, I could see this happening. | 1 | 4 | 0 | On my local machine (i.e. http://localhost:8080/), I have entered data into my GAE datastore for some entity called Article. After turning off my computer and then restarting next day, I find the datastore empty: no entity. Is there a way to prevent this in the future?
How do I make a copy of the data in my local datas... | local GAE datastore does not keep data after computer shuts down | 0.066568 | 0 | 0 | 2,643 |
13,776,973 | 2012-12-08T11:20:00.000 | 1 | 0 | 1 | 1 | python,bash,shell,race-condition | 13,777,096 | 3 | false | 0 | 0 | The only sure way that no two scripts will act on the same file at the same time is to employ some kind of file locking mechanism. A simple way to do this could be to rename the file before beginning work, by appending some known string to the file name. The work is then done and the file deleted. Each script tests the... | 1 | 1 | 0 | I have a directory with thousands of files and each of them has to be processed (by a python script) and subsequently deleted.
I would like to write a bash script that reads a file in the folder, processes it, deletes it and moves onto another file - the order is not important. There will be n running instances of thi... | Multiple processes reading&deleting files in the same directory | 0.066568 | 0 | 0 | 1,245 |
13,779,114 | 2012-12-08T15:57:00.000 | 1 | 0 | 1 | 0 | python,networking | 13,779,203 | 1 | true | 0 | 0 | I think this might be off-topic for StackOverflow; however, you can consider implementing a simple online chat room.
The main advantage of this topic is that it's as probably as simple as you can get to demonstrate application of core concepts in networking and security.
You'll be able to do a bit of architecture as we... | 1 | 1 | 0 | I am currently a student and next semester I am taking a network programming course in python. I need to propose a network project on which I'll work during the semester before it starts. I wanted to ask if anybody knows any good sources of the project for my topic. I can include anything related to networking and secu... | Python network programming project sources | 1.2 | 0 | 1 | 814 |
13,779,439 | 2012-12-08T16:34:00.000 | 0 | 1 | 1 | 0 | python,python-2.7 | 13,779,703 | 2 | false | 0 | 0 | If you want to make change in the code; better will be; download its source code first; apply the changes; modify the setup.py file or make new one; give it a new name.. . i mean do not change directly in the installed version; do them separately .. .or do whatever you like
but before doing all this; study the license... | 1 | 0 | 0 | I'm trying to improve a package written in python . The package is already installed in the system. All the source files are also present . I want to create a copy of the package source so that i can make all the changes to the copy and test so that i do not make any change to the installed package . Is there a way for... | Making Changes to Installed Packages | 0 | 0 | 0 | 65 |
13,780,732 | 2012-12-08T18:52:00.000 | 0 | 0 | 0 | 0 | python,django,background-process,backend | 13,783,426 | 3 | false | 1 | 0 | Why don't you have a url or python script that triggers whatever sort of calculation you need to have done everytime it's run and then fetch that url or run that script via a cronjob on the server? From what your question was it doesn't seem like you need a whole lot more than that. | 1 | 4 | 0 | Newb quesion about Django app design:
Im building reporting engine for my web-site. And I have a big (and getting bigger with time) amounts of data, and some algorithm which must be applied to it. Calculations promise to be heavy on resources, and it would be stupid if they are performed by requests of users. So, I thi... | Django - how to set up asynchronous longtime background data processing task? | 0 | 0 | 0 | 2,371 |
13,781,287 | 2012-12-08T19:54:00.000 | 0 | 0 | 0 | 0 | python,database,heroku | 13,782,284 | 1 | false | 1 | 0 | You can connect directly to it using something like PGAdmin, look at the output of heroku config for your application to get your database URL which you can breakup to use in GUI tools. | 1 | 0 | 0 | How do I see the database for my heroku web app?
I just want to verify if users are being registered, properly, etc.
I am using Flask-SQLAlchemy Python, if that makes a difference. | How To See A Database On Heroku | 0 | 0 | 0 | 61 |
13,783,071 | 2012-12-08T23:33:00.000 | 4 | 0 | 0 | 0 | python,list,numpy,min | 37,094,880 | 2 | false | 0 | 0 | numpy.argpartition(cluster, 3) would be much more effective. | 1 | 14 | 1 | So I have this list called sumErrors that's 16000 rows and 1 column, and this list is already presorted into 5 different clusters. And what I'm doing is slicing the list for each cluster and finding the index of the minimum value in each slice.
However, I can only find the first minimum index using argmin(). I don't th... | Finding the indices of the top three values via argmin() or min() in python/numpy without mutation of list? | 0.379949 | 0 | 0 | 11,034 |
13,783,274 | 2012-12-09T00:03:00.000 | 5 | 0 | 1 | 0 | python,python-3.x | 13,783,304 | 2 | false | 0 | 0 | A program is deterministic if you get the same result and behavior every time you run it. The term is not particular for Python. | 1 | 0 | 0 | I am studying for a programming exam and one of the words I need to know is deterministic as it applies to python. | What does the word "deterministic" mean in python? | 0.462117 | 0 | 0 | 1,723 |
13,783,586 | 2012-12-09T00:53:00.000 | 3 | 0 | 1 | 1 | python,executable | 38,528,239 | 4 | false | 0 | 0 | Assuming you have pip installed which you should after installing Python inside folder Scripts.
Install PyInstaller using pip, type in the command prompt the following.
pip install pyinstaller
After you install PyInstaller locate where your pyinstaller files are (they should be where your pip files are inside the Scr... | 1 | 5 | 0 | We are trying to make our python script execute itself as a .exe file, without having python installed. Like if we give our program to someone else, they wouldn't need to install python to open it.
It is a text-based game like zork, so we need a gui, like cmd, to run it.
We have tried using py2exe, and pyinstaller, but... | Making a python script executable in python 2.7 | 0.148885 | 0 | 0 | 16,418 |
13,783,865 | 2012-12-09T01:41:00.000 | 0 | 1 | 1 | 0 | python,c,fonts | 43,614,842 | 3 | false | 0 | 0 | It looks like font files may have multiple localised names.
Example with the fontconfig tools:
$ fc-query -f '%{fullname} (%{fullnamelang}): %{file}\n' /usr/share/fonts/truetype/unfonts-core/UnBatang.ttf
Un Batang,은 바탕 (en,ko): /usr/share/fonts/truetype/unfonts-core/UnBatang.ttf
I can select the korean (ko) name usi... | 1 | 1 | 0 | Is there anyway I can extract localised name from ttf/otf font file?
A solution in Python would be preferred, but I am fine with any language.
Thank you very much. | Getting ttf/otf font localised name | 0 | 0 | 0 | 1,306 |
13,783,964 | 2012-12-09T02:01:00.000 | 0 | 0 | 0 | 0 | google-app-engine,python-2.7,xlwt | 13,805,700 | 1 | true | 0 | 0 | I figured it out, more or less. I put the image in the app's root directory instead of inside the static directory, seems to like that ok.
Like this:
sheetLoopParam.insert_bitmap(os.path.abspath("PLL_diagram2_small.bmp"), 12, 0)
instead of like this:
sheetLoopParam.insert_bitmap(os.path.abspath("static/PLL_diagram2_... | 1 | 0 | 0 | I tried:
sheetLoopParam.insert_bitmap(os.path.abspath("static/PLL_diagram2_small.bmp"), 12, 0)
but it says:
IOError: [Errno 13] file not accessible: 'C:\Users\rest_of_path\static\PLL_diagram2_small.bmp'
The path it displays is correct, I don't understand why it says it can't access it. Thank you. | Insert image in Excel using xlwt in GAE | 1.2 | 0 | 0 | 262 |
13,784,459 | 2012-12-09T03:52:00.000 | 0 | 1 | 1 | 1 | python,linux,startup,runlevel | 13,876,262 | 1 | true | 0 | 0 | I may as well answer my own question with my findings.
On Debian,Ubuntu,CentOS systems there is a file named /etc/rc.local. If you use pythons' FileIO to edit that file, you can put a command that will be run at the end of all the multi-user boot levels. This facility is still present on systems that use upstart.
On BS... | 1 | 0 | 0 | I would like to find out how to write Python code which sets up a process to run on startup, in this case level two.
I have done some reading, yet it has left me unclear as to which method is most reliable on different systems. I originally thought I would just edit /etc/inittab with pythons fileIO, but then I found ou... | Programmatically setting a process to execute at startup (runlevel 2)? | 1.2 | 0 | 0 | 302 |
13,784,859 | 2012-12-09T05:14:00.000 | 23 | 1 | 1 | 0 | python,uuid | 13,784,879 | 1 | true | 0 | 0 | There is a standard for UUIDs, so they're the same in all languages. However, there is a string representation and a binary representation. The normal string representation (str(myuuid)) looks like 42c151a8-b22b-4cd5-b103-21bdb882e489 and is 36 characters. The binary representation, myuuid.bytes (or bytes_le, but stay ... | 1 | 11 | 0 | I'm building a database to hold a uuid generated by the python uuid4 method - however, the documentation doesn't mention how many chars the uuid is!
I'm not overly familiar with uuids, so i don't know if all languages generate the same length for a uuid. | What is the number of characters in a python uuid (type 4)? | 1.2 | 0 | 0 | 10,805 |
13,785,630 | 2012-12-09T07:48:00.000 | 2 | 0 | 0 | 0 | python,selenium,screen-scraping,web-scraping,screenshot | 13,787,570 | 1 | false | 1 | 0 | Sure. Use Selenium and just loop through all visible, displayable elements. | 1 | 0 | 0 | Is there a way to capture visible webpage content or text as if copying from a browser display to parse later (maybe using regular expression etc)? I don't mean to clean the html tags, javascript, etc and only show leftover text. I would like to copy all visible text, since some style elements may hide some of the htm... | Capture Visible Webpage Content (or text) as if Copying from Browser | 0.379949 | 0 | 1 | 781 |
13,786,926 | 2012-12-09T11:19:00.000 | 0 | 1 | 0 | 0 | php,python,scraper | 13,952,344 | 7 | false | 0 | 0 | I think I have a fair idea of what you are saying put I am not too sure what you mean.
If you mean to say that everytime the python script does a print, you want the php code to output what was print?
If that is the case you could pass it as a POST DATA via HTTP. That is instead of printing in Python, you could send it... | 2 | 10 | 0 | I have a scraper which scrape one site (Written in python). While scraping the site, that print lines which are about to write in CSV. Scraper has been written in Python and now I want to execute it via PHP code. My question is
how can I print each line which is getting printed by python code.
I have used exec fun... | Print Python output by PHP Code | 0 | 0 | 0 | 3,658 |
13,786,926 | 2012-12-09T11:19:00.000 | 0 | 1 | 0 | 0 | php,python,scraper | 13,989,869 | 7 | false | 0 | 0 | Simply use system() instead of exec(). exec() saves all lines of stdout output of the external program into an array, but system() flushes stdout output "as it happens". | 2 | 10 | 0 | I have a scraper which scrape one site (Written in python). While scraping the site, that print lines which are about to write in CSV. Scraper has been written in Python and now I want to execute it via PHP code. My question is
how can I print each line which is getting printed by python code.
I have used exec fun... | Print Python output by PHP Code | 0 | 0 | 0 | 3,658 |
13,787,244 | 2012-12-09T12:07:00.000 | 0 | 1 | 0 | 0 | python,web-services,xmpp,openfire,strophe | 13,797,108 | 1 | false | 1 | 0 | It seems to me like XMPP is a bit of a heavy-weight solution for what you're doing, given that communication is just one-way and you're just sending notifications (no real-time multi-user chat etc.).
I would consider using something like Socket.io (http://socket.io) for the server<=>client channel along with Redis (htt... | 1 | 0 | 0 | I am planning to integrate real time notifications into a web application that I am currently working on. I have decided to go with XMPP for this and selected openfire server which i thought to be suitable for my needs.
The front end uses strophe library to fetch the notifications using BOSH from my openfire server. Ho... | XMPP-- openfire,PHP and python web service | 0 | 0 | 0 | 1,049 |
13,788,172 | 2012-12-09T14:14:00.000 | 1 | 0 | 0 | 0 | javascript,python,ajax,localhost | 13,788,959 | 1 | true | 1 | 0 | The most direct way to protect against this attack is to just have a long complex secret key being required for every request. Just make your local code authenticate itself before processing the request. This is essentially how web services on the Internet are protected.
You might also want to consider having inter pro... | 1 | 2 | 0 | I have a written an app, with python acting as a simple web server (I am using bottle framework for this) and an HTML + JS client. The whole thing runs locally. The web page acts as GUI in this case.
In my code I have implemented a file browser interface so I can access local file structure from JavaScript.
The server ... | Secure localhost JavaScript ajax requests | 1.2 | 0 | 1 | 320 |
13,790,066 | 2012-12-09T17:58:00.000 | 2 | 0 | 0 | 1 | python,.htaccess,authorization,tornado | 13,793,602 | 2 | true | 0 | 0 | If you based your application on the Tornado "Hello World" example then you probably haven't, but you really should consider writing your application as a WSGI application. Tornado has no problem with that, and the advantage is that your application now will run under a multitude of other environments (Apache + mod_wsg... | 1 | 1 | 0 | I have implemented a very small application with Tornado, where HTTP GET Requests are used to perform actions. Now I would like to secure these requests. What would be a preferable way? Using .htaccess? How can I realize that?
It doesn't have to be for certain requests, it should be for all requests running on a certai... | Secure web requests via Tornado with .htaccess | 1.2 | 0 | 0 | 860 |
13,791,542 | 2012-12-09T20:34:00.000 | 1 | 0 | 0 | 0 | python,mongodb,path,mongoengine,filefield | 13,962,502 | 1 | true | 0 | 0 | You can't since it stores the data into database. If you need to store the original path then you can create an EmbeddedDocument which contains a FileField and a StringField with the path string. But remember that the stored file and the file you might find on that path are not the same | 1 | 0 | 0 | I need to obtain path from a FileField, in order to check it against a given file system path, to know if the file I am inserting into mongo database is already present.
Is it possible?
All I get is a GridFSProxy, but I am unable to understand how to handle it. | How to get filesystem path from mongoengine FileField | 1.2 | 1 | 0 | 430 |
13,792,502 | 2012-12-09T22:25:00.000 | 5 | 0 | 0 | 0 | python-3.x,qt4,pyside | 57,644,204 | 7 | false | 0 | 1 | Just create a directory where it search for uic.exe file and copy existing uic.exe file to that directory.
My example :
When I clicked View Code it shows Error asking for file uic.exe in path
C:\python374\Lib\site-packages\pyqt5_tools\Qt\bin\bin
But I found uicexe file is in C:\python374\Lib\site-packages\pyqt5_tools... | 1 | 6 | 0 | I have installed Qt designer 4.8.2, Pyside, and Python 3.3. When I create a form with Qt designer I am not able to see the code when clicking on view code. The error message is:"Unable to launch C:\Qt\4.8.2\bin\uic".
I have the pyuic under C:\Python33\Lib\site-packages\PyQt4\uic. Please help. | Unable to Launch Qt uic | 0.141893 | 0 | 0 | 22,091 |
13,793,158 | 2012-12-09T23:49:00.000 | 0 | 0 | 0 | 0 | android,python | 54,814,139 | 4 | false | 0 | 1 | Download PyDroid 3 from Playstore and if you like it buy the pro version. It costs around 2$ but you have all you need to do Python 3 programming | 1 | 7 | 0 | So I want to practice python on my Android. Is there a way I can get the interpreter or an interpreter emulator on my device? | Python Interpreter on Android | 0 | 0 | 0 | 28,974 |
13,794,399 | 2012-12-10T02:58:00.000 | 0 | 0 | 0 | 0 | python,django,recursion,tree,mptt | 14,391,692 | 2 | false | 1 | 0 | I have been sitting here for five minutes and I can't think of a way to do this in SQL given the data structure you are describing. To begin with, I would suggest that you separate your data into Posts and Comments, rather than just having one sort of data object. Then you can do a join to gather the comments togethe... | 2 | 2 | 0 | I'm using MPTT tree structure in my Django project to organise comments. I have only 2 level : comment and comment of comment
Everything works perfectly except the ordering.
I would like to sort all Comment that don't have parents by creation date ascendent ("-creation_date") and all comment that has a parent by creati... | Django MPTT ordering | 0 | 0 | 0 | 629 |
13,794,399 | 2012-12-10T02:58:00.000 | -1 | 0 | 0 | 0 | python,django,recursion,tree,mptt | 14,846,769 | 2 | false | 1 | 0 | I found a solution so I forgot to check back.
I played around with the mptt structure and django functions ...
Thanks | 2 | 2 | 0 | I'm using MPTT tree structure in my Django project to organise comments. I have only 2 level : comment and comment of comment
Everything works perfectly except the ordering.
I would like to sort all Comment that don't have parents by creation date ascendent ("-creation_date") and all comment that has a parent by creati... | Django MPTT ordering | -0.099668 | 0 | 0 | 629 |
13,795,682 | 2012-12-10T05:47:00.000 | 25 | 0 | 0 | 0 | python,numpy | 13,795,874 | 2 | true | 0 | 0 | A singular matrix is one that is not invertible. This means that the system of equations you are trying to solve does not have a unique solution; linalg.solve can't handle this.
You may find that linalg.lstsq provides a usable solution. | 1 | 13 | 1 | What does the error Numpy error: Matrix is singular mean specifically (when using the linalg.solve function)? I have looked on Google but couldn't find anything that made it clear when this error occurs. | Numpy error: Singular matrix | 1.2 | 0 | 0 | 60,944 |
13,795,785 | 2012-12-10T05:59:00.000 | 8 | 0 | 1 | 0 | python,ocaml | 13,795,826 | 3 | true | 0 | 0 | Directly, no. However, if you create a C API for your Ocaml library, you can call that API via. Python's ctypes module or similar. Likewise, if you expose a network service for your OCaml application, Python can call into that. | 1 | 7 | 0 | I've got a large legacy program that is written in OCaml, and I'd like to be able to call some OCaml functions from my Python program.
How can I do this the easiest way? | How can I call OCaml functions from a Python program? | 1.2 | 0 | 0 | 1,780 |
13,795,993 | 2012-12-10T06:23:00.000 | 1 | 0 | 0 | 1 | python,hadoop,apache-pig,embedding | 13,796,893 | 1 | false | 0 | 0 | Ok. Have found the solution. If you are also seeing this error then I hope this helps.
1) Downloaded the Jython installer jar.
2) ran it with java -jar
3) Specify a location for the installation
4) Added the Jython executable shell script to my PATH environment variable.
5) Copied the jython jar from installation fol... | 1 | 0 | 0 | I am trying to embed a pig script in Python and am encountering an exception and can't seem to find what the problem is. I have a Python script with pig script embedded in it and have Apache PIG 0.10 installed. I can run pig scripts from the shell and it works ok. when I run the python script with pig embedded from she... | Embedding Pig into Python | 0.197375 | 0 | 0 | 1,676 |
13,798,520 | 2012-12-10T09:53:00.000 | 3 | 0 | 0 | 1 | python,bash,upnp,server-push,samsung-smart-tv | 13,798,803 | 1 | true | 0 | 0 | You will still need a DLNA server to host your videos on. Via UPnP you only hand the URL to the TV, not the video directly. Once you have it hosted on a DLNA server, you can find out the URL to a video by playing it in Windows Media Player (which has DLNA-support) or by using UPnP Inspector (which I recommend anyways, ... | 1 | 2 | 0 | I would like to make a simple script to push a movie to a Smart TV.
I have already install miniupnp or ushare, but I don't want to go in a folder by the TV Smart Apps, i want to push the movie to the TV, to win time and in future why not make the same directly from a NAS.
Can anyone have an idea how to do this ? This a... | uPnP pushing video to Smart TV/Samsung TV on OSX/Mac | 1.2 | 0 | 0 | 3,338 |
13,799,586 | 2012-12-10T10:58:00.000 | 2 | 1 | 0 | 0 | python,opencv,ffmpeg,codec | 14,071,725 | 2 | true | 0 | 0 | I solved the problem finally.
Windows7 x64 + Python 2.7 x86 + NumPy x86 + ffdshow x86 + Eclipse x64 is the way to go. Everything is working like a charm. x64 ffdshow is also required for other programs like VirtualDub though. | 1 | 1 | 0 | I started working on a new computer a tried to set everything as it used to be on my old one. Unfortunately switching to 64bit Windows made everything quite difficult.
With the current setup I can only open raw I420 videos converted with memcoder, but I can't open DivX/XVID videos, that I used to on my old PC. I tried ... | Open DivX/XVID videos in OpenCV Python | 1.2 | 0 | 0 | 2,972 |
13,803,315 | 2012-12-10T14:51:00.000 | 0 | 1 | 0 | 0 | python,eclipse | 13,866,443 | 1 | false | 0 | 0 | You can use NetBeans 6.5 IDE its provide python support. | 1 | 0 | 0 | I have installed PyCuda without any difficulty but am having trouble linking it to my eclipse environment. Does anyone know how I can link pycuda and eclipse IDE? Thanks in Adanced | PyCuda and Eclipse | 0 | 0 | 0 | 284 |
13,809,013 | 2012-12-10T20:51:00.000 | 1 | 1 | 1 | 0 | python,ruby,jvm,stack | 13,810,563 | 3 | false | 1 | 0 | Good question.
In Smalltalk, yes.
Actually, in Smalltalk, dumping the whole program and restarting is the only way to store and share programs. There are no source files and there is no way of starting a program from square zero. So in Smalltalk you would get your feature for free.
The Smalltalk VM offers a hook where ... | 1 | 6 | 0 | I'm just curious, is it possible to dump all the variables and current state of the program to a file, and then restore it on a different computer?!
Let's say that I have a little program in Python or Ruby, given a certain condition, it would dump all the current variables, and current state to a file.
Later, I could l... | Saving the stack? | 0.066568 | 0 | 0 | 156 |
13,811,575 | 2012-12-11T00:13:00.000 | 1 | 1 | 0 | 0 | python,dependency-management | 13,811,685 | 2 | false | 0 | 0 | The path where your modules are install is probably normally sourced by .bashrc or something similar. .bashrc doesn't get sourced when it's not an interactive shell. /etc/profile is one place that you can put system wide path changes. Depending on what Linux version/distro it may use /etc/profile.d/ in which case /etc/... | 1 | 2 | 0 | I'm facing of a strange issue, and after a couple of hour of research I'm looking for help / explanation about the issue.
It's quite simple, I wrote a cgi server in python and I'm working with some libs including pynetlinux for instance.
When I'm starting the script from terminal with any user, it works fine, no bug, n... | python scripts issue (no module named ...) when starting in rc.local | 0.099668 | 0 | 0 | 1,890 |
13,815,107 | 2012-12-11T06:55:00.000 | 0 | 0 | 0 | 0 | wxpython | 13,878,574 | 1 | false | 0 | 1 | After some investigation, I have solved this problem by myself. Though FoldPanelBar doesn't play well with others in a Sizer, if it's the only one in a sizer, it works. weird. | 1 | 0 | 0 | In one of my software, I use AuiManager to manage all the different parts of the UI. Now, I start to use FoldPanelBar in one of the AuiPane. At first, I changed part of the Panel to use FoldPanelBar, and the bar is layout with others using BoxSizer. But it doesn't function correctly as the window is resized. Then I mov... | Resize FoldPanelBar in AuiManager | 0 | 0 | 0 | 109 |
13,817,662 | 2012-12-11T09:55:00.000 | 0 | 0 | 1 | 1 | python,linux,unix,gcc,cross-compiling | 13,817,769 | 1 | false | 0 | 0 | I would assume that it's better to build on the OS itself, rather than "cross compile". Although since this is all Unix, cross-compiling might very well work as well, with a bit of effort. But it's probably easier to just build the binaries on the OS in question. I guess that also depends on whether you link statically... | 1 | 2 | 0 | Am looking at building python (2.7 version) from sources for various UNIX like OSes including SUSE (Desktop, Server), RHEL (Desktop, Server), Ubuntu, AIX, Solaris (SPARC) OSes.
Also, some of these OSes might have to build both 32 bit and 64 bit versions. I also want to minimize dependencies on (shared) libraries.
That ... | C compiler to build python from sources on various unix flavors | 0 | 0 | 0 | 287 |
13,817,697 | 2012-12-11T09:57:00.000 | 2 | 1 | 1 | 0 | python,cgi | 13,818,037 | 1 | true | 0 | 0 | There's no way your code could ever accumulate a list of keywords over multiple posts. Firstly, CGI scripts have no state, so they will start from a blank list each time. And even if that wasn't true, you explicitly reset keywords to the blank list each time anyway.
You will need to store the list somewhere between run... | 1 | 1 | 0 | Basically what I am trying to accomplish is have users be able to type in a certain word on one cgi script (which I currently have) and then it will save that entry in a list and display that word and the whole list on the other page. Also I will save it into a .txt file but first I am trying to figure out how to disp... | Have users enter a keyword from one cgi script and save that information in a list/txtfile on another cgi script | 1.2 | 0 | 0 | 59 |
13,819,496 | 2012-12-11T11:33:00.000 | 1 | 0 | 0 | 1 | python,linux,python-2.7 | 71,559,746 | 3 | false | 0 | 0 | makedirs : Recursive directory creation function. Like mkdir(), but makes all intermediate-level directories needed to contain the leaf directory. Raises an error exception if the leaf directory already exists or cannot be created. | 1 | 86 | 0 | I am confused to use about these two osmethods to create the new directory.
Please give me some example in Python. | What is different between makedirs and mkdir of os? | 0.066568 | 0 | 0 | 63,432 |
13,820,124 | 2012-12-11T12:10:00.000 | 0 | 0 | 1 | 0 | python,python-3.x,iterator,iterable | 13,820,681 | 5 | false | 0 | 0 | Now that I understand the question
from itertools import islice
a = {'A','B','C','D'}
zip(a,islice(a,1,None))
#[('A', 'C'), ('C', 'B'), ('B', 'D')] | 1 | 1 | 0 | Suppose I have a set {a, b, c, d}. I want to create a "path" from it, which is a generator that yields (a, b), then (b, c), then (c, d) (of course set is unordered, so any other path through the elements is acceptable).
What is the best way to do this? | Generating a path from an iterable of points | 0 | 0 | 0 | 114 |
13,823,554 | 2012-12-11T15:52:00.000 | 0 | 0 | 0 | 0 | python,elasticsearch | 14,884,970 | 2 | false | 0 | 0 | It sounds like you have an issue unrelated to the client. If you can pare down what's being sent to ES and represent it in a simple curl command it will make what's actually running slowly more apparent. I suspect we just need to tweak your query to make sure it's optimal for your context. | 2 | 4 | 0 | I'm writing some scripts for our sales people to query an index with elastic search through python. (Eventually the script will update lead info in our Salesforce DB.)
I have been using the urllib2 module, with simplejson, to pull results. The problem is that this seems to be a not-so-good approach, evidenced by script... | Elastic search client for Python: advice? | 0 | 0 | 1 | 748 |
13,823,554 | 2012-12-11T15:52:00.000 | 2 | 0 | 0 | 0 | python,elasticsearch | 14,870,170 | 2 | true | 0 | 0 | We use pyes. And its pretty neat. You can there go with the thrift protocol which is faster then the rest service. | 2 | 4 | 0 | I'm writing some scripts for our sales people to query an index with elastic search through python. (Eventually the script will update lead info in our Salesforce DB.)
I have been using the urllib2 module, with simplejson, to pull results. The problem is that this seems to be a not-so-good approach, evidenced by script... | Elastic search client for Python: advice? | 1.2 | 0 | 1 | 748 |
13,828,378 | 2012-12-11T20:56:00.000 | 0 | 0 | 0 | 0 | python,sockets,flask,pipe | 13,855,281 | 1 | false | 0 | 0 | You can use a database layer in between.
We faced the same issue and we resolved it by sending HTTP requests to Redis instance and another application reading it. we wanted to monitor the HTTP requests.
This way you can achieve persistence of data also. | 1 | 0 | 0 | I have a program "A" written in Python that traps HTTP Requests/Responses going from my browser to the internet and back. I want to display those HTTP Requests/Responses on a web app (program "B") I'm building using Flask.
What is the best way to 'send' the captured data from program 'A' to 'B'
Right now, I'm creating ... | How do I send data between two programs in Python? | 0 | 0 | 0 | 587 |
13,829,962 | 2012-12-11T23:01:00.000 | 1 | 0 | 1 | 0 | math,python-3.2 | 13,848,408 | 1 | false | 0 | 0 | Someone removed his/her answer before I could accept it, so I write mine which is no more than a summary.
Two options that I liked:
In this particular case, since the operation was math.log(1000, 10), it could be replaced with math.log10(1000) which shows much greater precision.
In a more general case, round(math.log(1... | 1 | 2 | 0 | In python the function math.log(1000, 10) returns
2.9999999998 or some approximate value (neraly every third integer does that)
Which firstly is kind of messed up even though I imagine there's not much (except divisibility tests) to do about it.
And secondly it's not the value I want of course, how should I proceed? Ca... | python integer approximation | 0.197375 | 0 | 0 | 649 |
13,830,334 | 2012-12-11T23:36:00.000 | 1 | 0 | 1 | 0 | python,variables | 13,830,530 | 3 | false | 0 | 0 | You need to store it on disk. Unless you want to be really fancy, you can just use something like CSV, JSON, or YAML to make structured data easier.
Also check out the python pickle module. | 1 | 6 | 0 | I'm writing a small program that helps you keep track of what page you're on in your books. I'm not a fan of bookmarks, so I thought "What if I could create a program that would take user input, and then display the number or string of text that they wrote, which in this case would be the page number they're on, and al... | Change variable permanently | 0.066568 | 0 | 0 | 5,917 |
13,830,557 | 2012-12-11T23:57:00.000 | 4 | 0 | 1 | 0 | python,multithreading,user-interface,wxpython | 13,830,881 | 1 | true | 0 | 1 | Putting the thumbnail generation in a background thread with threading.Thread will solve your first problem, making the program usable.
If you want a way to interrupt it, the usual way is to add a "stop" variable which the background thread checks every so often (e.g., once per thumbnail), and the GUI thread sets when ... | 1 | 0 | 0 | My wx GUI shows thumbnails, but they're slow to generate, so:
The program should remain usable while the thumbnails are generating.
Switching to a new folder should stop generating thumbnails for the old folder.
If possible, thumbnail generation should make use of multiple processors.
What is the best way to do this? | Python: Interruptable threading in wx | 1.2 | 0 | 0 | 155 |
13,832,095 | 2012-12-12T02:59:00.000 | 1 | 0 | 1 | 0 | python | 13,832,200 | 3 | false | 0 | 0 | While the approach of @Makato is certainly right, for your 'diff' like application you want to capture the inode 'stat()' information of the files in your directory and pickle that python object from day-to-day looking for updates; this is one way to do it - overkill maybe - but more suitable than save/parse-load from ... | 1 | 2 | 0 | Is it possible for the user to input a specific directory on their computer, and for Python to write the all of the file/folder names to a text document? And if so, how?
The reason I ask is because, if you haven't seen my previous posts, I'm learning Python, and I want to write a little program that tracks how many fil... | PYTHON - Search a directory | 0.066568 | 0 | 0 | 7,504 |
13,838,231 | 2012-12-12T10:58:00.000 | 2 | 0 | 0 | 0 | python,postgresql,transactions,commit,psycopg2 | 13,849,917 | 2 | false | 0 | 0 | If you are committing your transactions after every 5000 record interval, it seems like you could do a little bit of preprocessing of your input data and actually break it out into a list of 5000 record chunks, i.e. [[[row1_data],[row2_data]...[row4999_data]],[[row5000_data],[row5001_data],...],[[....[row1000000_data]]... | 2 | 1 | 0 | I am using psycopg2 in python, but my question is DBMS agnostic (as long as the DBMS supports transactions):
I am writing a python program that inserts records into a database table. The number of records to be inserted is more than a million. When I wrote my code so that it ran a commit on each insert statement, my pr... | How can I commit all pending queries until an exception occurs in a python connection object | 0.197375 | 1 | 0 | 1,119 |
13,838,231 | 2012-12-12T10:58:00.000 | 3 | 0 | 0 | 0 | python,postgresql,transactions,commit,psycopg2 | 13,838,751 | 2 | true | 0 | 0 | I doubt you'll find a fast cross-database way to do this. You just have to optimize the balance between the speed gains from batch size and the speed costs of repeating work when an entry causes a batch to fail.
Some DBs can continue with a transaction after an error, but PostgreSQL can't. However, it does allow you to... | 2 | 1 | 0 | I am using psycopg2 in python, but my question is DBMS agnostic (as long as the DBMS supports transactions):
I am writing a python program that inserts records into a database table. The number of records to be inserted is more than a million. When I wrote my code so that it ran a commit on each insert statement, my pr... | How can I commit all pending queries until an exception occurs in a python connection object | 1.2 | 1 | 0 | 1,119 |
13,840,379 | 2012-12-12T13:00:00.000 | -2 | 0 | 1 | 0 | python,list,multiplication | 61,343,262 | 17 | false | 0 | 0 | '''the only simple method to understand the logic
use for loop'''
Lap=[2,5,7,7,9]
x=1
for i in Lap:
x=i*x
print(x) | 1 | 250 | 0 | I need to write a function that takes
a list of numbers and multiplies them together. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6. I could really use your help. | How can I multiply all items in a list together with Python? | -0.023525 | 0 | 0 | 299,911 |
13,841,206 | 2012-12-12T13:46:00.000 | 3 | 1 | 0 | 0 | python,apache,mod-wsgi | 13,841,885 | 2 | true | 0 | 0 | I would go the micro-framework approach just in case your requirements change - and you never know, it may end up being an app rather just a basic dump... Perhaps the simplest (and old fashioned way!?) is using CGI:
Duplicate your script and include print 'Content-Type: text/plain\n' before any other output to sys.std... | 1 | 1 | 0 | I have a Python script that I'd like to be run from the browser, it seem mod_wsgi is the way to go but the method feels too heavy-weight and would require modifications to the script for the output. I guess I'd like a php approach ideally. The scripts doesn't take any input and will only be accessible on an internal ne... | Webserver to serve Python script | 1.2 | 0 | 0 | 379 |
13,841,296 | 2012-12-12T13:52:00.000 | 2 | 0 | 0 | 0 | python,numpy,fft | 19,329,962 | 2 | false | 0 | 0 | In my experience the algorithms don't do automatic padding, or at least some of them don't. For example, running the scipy.signal.hilbert method on a signal that wasn't of length == a power of two took about 45 seconds. When I padded the signal myself with zeros to such a length, it took 100ms.
YMMV but it's somethin... | 1 | 4 | 1 | My question is about the algorithm which is used in Numpy's FFT function.
The documentation of Numpy says that it uses the Cooley-Tukey algorithm. However, as you may know, this algorithm works only if the number N of points is a power of 2.
Does numpy pad my input vector x[n] in order to calculate its FFT X[k]? (I do... | FFT in Numpy (Python) when N is not a power of 2 | 0.197375 | 0 | 0 | 6,896 |
13,842,774 | 2012-12-12T15:15:00.000 | 7 | 0 | 1 | 0 | python,pycharm,console | 44,884,775 | 4 | false | 0 | 0 | In Windows you can use Ctrl Alt e | 2 | 19 | 0 | PyCharm keeps a command history for it's interactive Python console.
Is there a way to access this history with some sort of search instead of just browsing the entries with the arrow keys in the interactive console window?
My environment: PyCharm 2.7 EAP (124.138) on MacOS X 10.8.2. | Search in PyCharm interactive console command history | 1 | 0 | 0 | 11,610 |
13,842,774 | 2012-12-12T15:15:00.000 | 18 | 0 | 1 | 0 | python,pycharm,console | 22,051,978 | 4 | true | 0 | 0 | As of PyCharm 3.1, while in the console, press ⌥⌘e, the "Browse History" window will come up, start typing to search for specific commands | 2 | 19 | 0 | PyCharm keeps a command history for it's interactive Python console.
Is there a way to access this history with some sort of search instead of just browsing the entries with the arrow keys in the interactive console window?
My environment: PyCharm 2.7 EAP (124.138) on MacOS X 10.8.2. | Search in PyCharm interactive console command history | 1.2 | 0 | 0 | 11,610 |
13,843,907 | 2012-12-12T16:12:00.000 | -2 | 0 | 0 | 1 | python,google-app-engine,google-cloud-datastore,google-search | 20,389,173 | 3 | false | 1 | 0 | Look like this is not an issue anymore. according to documentation (and my tests):
"The development web server simulates the App Engine datastore using a
file on your computer. This file persists between invocations of the
web server, so data you store will still be available the next time
you run the web server... | 2 | 8 | 0 | Is there anyway of forcing the GAE dev server to keep full text search indexes after restart? I am finding that the index is lost whenever the dev server is restarted.
I am already using a static datastore path when I launch the dev server (the --datastore_path option). | GAE development server keep full text search indexes after restart? | -0.132549 | 0 | 0 | 1,909 |
13,843,907 | 2012-12-12T16:12:00.000 | 2 | 0 | 0 | 1 | python,google-app-engine,google-cloud-datastore,google-search | 13,849,805 | 3 | false | 1 | 0 | This functionality was added a few releases ago (in either 1.7.1 or 1.7.2, I think). If you're using an SDK from the last few months it should be working. You can try explicitly setting the --search_indexes_path flag on dev_appserver.py; it's possible that the default location (/tmp/) isn't writable. Could you post the... | 2 | 8 | 0 | Is there anyway of forcing the GAE dev server to keep full text search indexes after restart? I am finding that the index is lost whenever the dev server is restarted.
I am already using a static datastore path when I launch the dev server (the --datastore_path option). | GAE development server keep full text search indexes after restart? | 0.132549 | 0 | 0 | 1,909 |
13,844,158 | 2012-12-12T16:27:00.000 | 2 | 0 | 1 | 0 | python,sorting,datetime,python-2.7 | 13,844,460 | 3 | false | 0 | 0 | Find and replace all instances of monday with 1, tuesday with 2, etc sort, reassign. | 1 | 4 | 0 | I have list ["Tue", "Wed", "Mon", "Thu", "Fri"] as list, I want to make it as
["Mon", "Tue", "Wed", "Thu", "Fri"].
How to sort this? | Sort week day texts | 0.132549 | 0 | 0 | 9,557 |
13,845,981 | 2012-12-12T18:10:00.000 | 1 | 0 | 1 | 0 | python,dictionary | 13,846,048 | 3 | false | 0 | 0 | Since dictionaries can have keys of multiple types, and you are using names (strings only) as one key and numbers (integers only) as another, you can simply make two separate entries point to the same object - one for the number, and one for the string.
dict[0] = dict['key'] = object1 | 1 | 0 | 0 | I am writing my own function for parsing XML text into objects which is can manipulate and render back into XML text. To handle the nesting, I am allowing XML objects to contain other XML objects as elements.
Since I am automatically generating these XML objects, my plan is to just enter them as elements of a dict as ... | Is it possible to use multiple keys for a single element in a dict? | 0.066568 | 0 | 1 | 174 |
13,846,155 | 2012-12-12T18:22:00.000 | 1 | 1 | 1 | 1 | python,egg,python-internals | 13,846,221 | 1 | true | 0 | 0 | No, that is not a bug. Eggs, when being created, have their bytecode compiled in a build/bdist.<platform>/egg/ path, and you see that reflected in the co_filename variable. The bdist stands for binary distribution. | 1 | 0 | 0 | When tracing(using sys.settrace) python .egg execution by Python 2.7 interpreter frame.f_code.co_filename instead of <path-to-egg>/<path-inside-egg> eqauls to something like build/bdist.linux-x86_64/egg/<path-inside-egg>
Is it a bug? And how to reveal real path to egg?
In Python 2.6 and Python 3 everything works as ... | Strange co_filename for file from .egg during tracing in Python 2.7 | 1.2 | 0 | 0 | 84 |
13,849,503 | 2012-12-12T22:06:00.000 | 0 | 0 | 1 | 0 | python | 13,849,588 | 3 | false | 0 | 0 | s = raw_input('--> ')
--> 10
Then a simple for loop s number of times will loop 10 times. Create an array or dictionary to hold the inputs in it. | 1 | 0 | 0 | Is there a way to create a variable after user input? Multiple ones, rather. For example, I'm writing a simple little program that records what page you're on in a book, but I'd like it to record as many books as the user needs. So, for example, the program would ask a user how many books they would like to record book... | Create variable at user input | 0 | 0 | 0 | 240 |
13,849,618 | 2012-12-12T22:14:00.000 | 0 | 0 | 1 | 0 | python-3.x | 13,849,871 | 5 | false | 0 | 0 | This question is very easy; I don't want to just tell you the answer because you can look it up. Look at the documentation for the built-in function range(). Since you are using Python 3.x, you will need to explicitly force the output of range() to expand out to a list by wrapping it with a call to list(). | 1 | 6 | 0 | Create a list of integers from from a (inclusive) to b (inclusive).
Example:
integers(2,5) returns [2, 3, 4, 5].
I know this is probably an easy one, but I just can't seem to get anything to work. | create a list of integers from a to b in python | 0 | 0 | 0 | 18,130 |
13,849,627 | 2012-12-12T22:15:00.000 | 0 | 0 | 0 | 0 | python,gstreamer | 13,855,922 | 2 | false | 0 | 0 | You'd see more artifacts when recompressing using a lower bit-rate. Although this would be a general thing and not be related to seeking.
Doing accurate seeks would only cause more cpu load, as gst would still seek to a keyframe and decode as fast as possible to until it gets to the accurate pos.
In videoconferencing y... | 2 | 1 | 0 | This is a strange question, I know.
I am working on an art project right now and we are disappointed that when we arbitrarily seek around files we don't see any compression artifacts. The source files are a mix of mostly mp4 and avi files. The application will need to jump between files and randomly seek to different... | How can I make glitchy video with Gstreamer? | 0 | 0 | 0 | 253 |
13,849,627 | 2012-12-12T22:15:00.000 | 1 | 0 | 0 | 0 | python,gstreamer | 13,886,833 | 2 | true | 0 | 0 | Simplest way is to introduce errors in the stream. Random bit / burst errors will lead to unpredictable glitches! If you are open to a modifying a plugin like identity, insert it before the decoder and change it to insert random errors with some probability. Change the probability to your liking. If you can avoid destr... | 2 | 1 | 0 | This is a strange question, I know.
I am working on an art project right now and we are disappointed that when we arbitrarily seek around files we don't see any compression artifacts. The source files are a mix of mostly mp4 and avi files. The application will need to jump between files and randomly seek to different... | How can I make glitchy video with Gstreamer? | 1.2 | 0 | 0 | 253 |
13,850,513 | 2012-12-12T23:32:00.000 | 0 | 0 | 0 | 1 | python,macos | 13,850,697 | 1 | false | 0 | 0 | The 2nd one you can't do for sure, since the events are grabbed by other processes.
You should look for a osx specific library for doing that and then write a python wrapper around it. | 1 | 2 | 0 | I'll explain my question: is it possible to write a Python script which interacts with OS X architecture in a high-level way?
For example, can I gain control on Mac OS X windows resizing from a Python script? Are there modules for that? I'm not finding any.
To push things even further, would I be able to control keyboa... | Python interacting with OS X - is it possible? | 0 | 0 | 0 | 466 |
13,851,739 | 2012-12-13T01:53:00.000 | 2 | 0 | 1 | 0 | python,c,compiler-construction | 13,851,766 | 1 | true | 0 | 0 | There is no one universal answer that always works, but typically a language-to-language translator works in much the same way that a compiler does - it reads in the source code, builds up an internal representation of the program, then emits code in a target language. The key difference between a normal compiler and ... | 1 | 0 | 0 | I am curious as how cross-compilers such as Pyjamas work. Do they simply have a list keywords and line by line replacing each word with the translated code? I want to understand.
I apologize for my ignorance, I am just curious. | How does a programming language translator work? | 1.2 | 0 | 0 | 415 |
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