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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29,754,112 | 2015-04-20T17:08:00.000 | 1 | 0 | 0 | 0 | python,web-scraping,scrapy | 33,189,665 | 4 | false | 1 | 0 | Auto_throttle is specifically designed so that you don't manually adjust DOWNLOAD_DELAY. Setting the DOWNLOAD_DELAY to some number will set an lower bound, meaning your AUTO_THROTTLE will not go faster than the number set in DOWNLOAD_DELAY. Since this is not what you want, your best bet would be to set AUTO_THROTTLE to... | 2 | 1 | 0 | My use case is this: I have 10 spiders and the AUTO_THROTTLE_ENABLED setting is set to True, globally. The problem is that for one of the spiders the runtime WITHOUT auto-throttling is 4 days, but the runtime WITH auto-throttling is 40 days...
I would like to find a balance and make the spider run in 15 days (3x the o... | How to Set Scrapy Auto_Throttle Settings | 0.049958 | 0 | 0 | 5,769 |
29,755,274 | 2015-04-20T18:09:00.000 | 1 | 1 | 0 | 1 | python,windows,text-files,remote-access,readfile | 29,755,645 | 1 | false | 0 | 0 | You can use powershell for this.
first Open powershell by admin previlage.
Enter this command
Enable-PSRemoting -Force
Enter this command also on both computer so they trust eachother.
Set-Item wsman:\localhost\client\trustedhosts *
then restart winrm service on both pc by this command.
Restart-Service WinRM
test... | 1 | 1 | 0 | Im trying to find a module that will allow me to run a script locally that will:
1. Open a text file on a remote Windows Machine
2. Read the lines of the text file
3. Store the lines in a variable and be able to process the data.
This is absolutely no problem on a Linux machine via SSH, but I have no clue what module t... | Python: Open and read remote text files on Windows | 0.197375 | 0 | 0 | 2,454 |
29,757,386 | 2015-04-20T20:07:00.000 | 0 | 0 | 1 | 0 | python | 31,281,691 | 1 | false | 1 | 0 | Since your goal is to be cross-architecture, any Python program which relies on native C modules will not be possible with this approach.
In general, using virtualenv to create a target environment will mean that even users who don't have permission to install new system-level software can install dependencies under th... | 1 | 1 | 0 | In the JavaScript ecosystem, "compilers" exist which will take a program with a significant dependency chain (of other JavaScript libraries) and emit a standalone JavaScript program (often, with optimizations applied).
Does any equivalent tool exist for Python, able to generate a script with all non-standard-library de... | Can an arbitrary Python program have its dependencies inlined? | 0 | 0 | 0 | 86 |
29,758,142 | 2015-04-20T20:50:00.000 | 0 | 0 | 0 | 0 | python,django,backend | 29,759,759 | 2 | false | 1 | 0 | So I'm thinking this through, and one possibility I have come up with is to build databases (in mysql in my case) supported by Django that represent the data I am interested in from these data sources.
I could then override the model methods that query from/save changes to the mysql model to make calls to an external... | 1 | 4 | 0 | I have a tool I use at work, written in python, that I want to port into the Django framework to make writing a web-based management interface more seamless. I've been through the django tutorials and have a pretty solid understanding of how to write a basic django app with your own database (or databases).
The dilemm... | Django Back-End Design Advice | 0 | 0 | 0 | 239 |
29,758,554 | 2015-04-20T21:15:00.000 | 1 | 0 | 0 | 0 | python,web-scraping,scrapy | 30,086,257 | 4 | true | 1 | 0 | It appears that the primary problem was not having cookies enabled. Having enabled cookies, I'm having more success now. Thanks. | 2 | 1 | 0 | I'm running Scrapy 0.24.4, and have encountered quite a few sites that shut down the crawl very quickly, typically within 5 requests. The sites return 403 or 503 for every request, and Scrapy gives up. I'm running through a pool of 100 proxies, with the RotateUserAgentMiddleware enabled.
Does anybody know how a site co... | Scrapy crawl blocked with 403/503 | 1.2 | 0 | 1 | 3,256 |
29,758,554 | 2015-04-20T21:15:00.000 | 0 | 0 | 0 | 0 | python,web-scraping,scrapy | 72,128,238 | 4 | false | 1 | 0 | I simply set AutoThrottle_ENABLED to True and my script was able to run. | 2 | 1 | 0 | I'm running Scrapy 0.24.4, and have encountered quite a few sites that shut down the crawl very quickly, typically within 5 requests. The sites return 403 or 503 for every request, and Scrapy gives up. I'm running through a pool of 100 proxies, with the RotateUserAgentMiddleware enabled.
Does anybody know how a site co... | Scrapy crawl blocked with 403/503 | 0 | 0 | 1 | 3,256 |
29,759,754 | 2015-04-20T22:44:00.000 | 1 | 0 | 0 | 0 | python,tkinter,label | 29,759,880 | 3 | false | 0 | 1 | You can't. At least, not automatically. You can use a separate label just for the "$", or manually format the string for the label. | 1 | 0 | 0 | I have a Python\Tkinter Label formatting question.
I have a simple main window with a Label that has its textvariable bound to a DoubleVar()
I want to display the value in the DoubleVar() as a US dollar amount,
as in "$ 123.45"
How can I have the Label display the value the way I want?
I know I could change the textv... | Python tkinker label formatting | 0.066568 | 0 | 0 | 3,745 |
29,760,119 | 2015-04-20T23:18:00.000 | 1 | 0 | 0 | 0 | python,python-2.7,nltk | 29,762,672 | 1 | false | 0 | 0 | It seems NTLK has a tabulate() method, which gives you the numeric data. From there on you could use pylab to generate the hist() function (or bar() for a bar plot). | 1 | 1 | 1 | I am using NLTK and FreqDist().plot() . But for curiosity, it's there a way to transform the line graph into an histogram? and how I can put labels in both cases?
I've searched in the documentation, but sadly it isn't detailed for it.
Thanks in advance | FreqDist().plot() as an histogram | 0.197375 | 0 | 0 | 1,774 |
29,761,006 | 2015-04-21T00:54:00.000 | 0 | 0 | 1 | 1 | python-2.7,easy-install | 29,761,891 | 2 | true | 0 | 0 | I figured it out I needed to cd c:\python27\scripts, then use the pip install tmx command. Nothing I read anywhere suggested I had to run cmd from the directory that pip was in. | 2 | 0 | 0 | I installed easy install it is in my scripts folder. I set my path variable. When I type python in cmd it works, but no matter what I try if I type easy_install it says it is not recognized. I am trying to install pip and then pytmx. is there an easier way to install pytmx? or can someone please walk me through this so... | Easy install is not recognized | 1.2 | 0 | 0 | 913 |
29,761,006 | 2015-04-21T00:54:00.000 | 0 | 0 | 1 | 1 | python-2.7,easy-install | 29,761,326 | 2 | false | 0 | 0 | If you install python 2.7.9 pip is included.
Then just pip install pytmx | 2 | 0 | 0 | I installed easy install it is in my scripts folder. I set my path variable. When I type python in cmd it works, but no matter what I try if I type easy_install it says it is not recognized. I am trying to install pip and then pytmx. is there an easier way to install pytmx? or can someone please walk me through this so... | Easy install is not recognized | 0 | 0 | 0 | 913 |
29,761,728 | 2015-04-21T02:17:00.000 | 3 | 0 | 1 | 1 | python,spyder,osx-yosemite | 29,841,327 | 1 | false | 0 | 0 | (Spyder dev here) There is no simple way to do what you ask for, at least for the Python version that comes with Spyder.
I imagine you downloaded and installed our DMG package. That package comes with its own Python version as part of the application (along with several important scientific packages), so it can't be re... | 1 | 4 | 0 | I have installed the Python IDE Spyder. For me it's a great development environment.
Some how in this process I have managed to install three versions of Python on my system.These can be located as following:
Version 2.7.6 from the OS X Terminal;
Version 2.7.8 from the Spyder Console; and
Version 2.7.9rc1 from an IDL ... | How to uninstall and/or manage multiple versions of python in OS X 10.10.3 | 0.53705 | 0 | 0 | 9,789 |
29,764,235 | 2015-04-21T06:11:00.000 | 5 | 0 | 0 | 0 | python-2.7,wxpython,buttonclick,simulate | 29,778,393 | 1 | false | 0 | 1 | I depends on what you really need it to do. Do you just want cause the same code to be executed as would be done when the user clicks the button? Or do you need to have a real system level mouse event occur on the native UI button as if there was a real user doing it?
For the former you just need to cause the event h... | 1 | 2 | 0 | I m working on a python project currently, It is a application which don not interact with internet.GUI is being dine with wxpython. Is there code available in python which can simulate button click. | simulating button click in python | 0.761594 | 0 | 0 | 1,909 |
29,764,424 | 2015-04-21T06:23:00.000 | 0 | 0 | 0 | 0 | python,apache-spark,apache-spark-sql | 29,786,975 | 1 | false | 0 | 0 | I think community is going to patch this. But for now, we can use Dataframe.rdd in ALS.train (or any other place where we see only RDDs are allowed) | 1 | 1 | 1 | I am trying to use Spark SQL and MLib together to create a recommendation program (extending movie recommendation program) in python. It was working fine with 1.2.0.
However, in 1.3.1, by default spark create Dataframe objects instead of SchemaRDD objects as output of a SQL. hence, mlib.ALS.train method is failing with... | spark 1.3.1: Dataframe breaking MLib API | 0 | 0 | 0 | 208 |
29,764,655 | 2015-04-21T06:36:00.000 | -1 | 0 | 1 | 0 | python,flask | 63,067,551 | 3 | false | 1 | 0 | You can try with wheel pacakges . | 1 | 4 | 0 | How do I install Python Flask without using pip?
I do not have pip, virtualenv nor easy_install.
The context of this question is that I am on a tightly controlled AIX computer. I cannot install any compiled code without going through several layers of management. However, I can install python modules.
Python 2.7 is i... | Install Python Flask without using pip | -0.066568 | 0 | 0 | 16,641 |
29,765,250 | 2015-04-21T07:08:00.000 | 0 | 0 | 1 | 0 | python,eclipse,numpy,pydev | 59,991,219 | 5 | false | 0 | 0 | Pandas can be installed after install python in to your pc.
to install pandas go to command prompt and type "pip install pandas" this command collecting packages related to pandas. After if it asking to upgrade pip or if pip is not recognized by the command prompt use this command:
python -m pip install --upgrade pip. | 1 | 1 | 0 | I am trying to install a package called 'numpy'.
i have python setup in eclipse luna with the help of pydev.
how do i install numpy in pydev.
tried putting numpy in site-packages folder. doesnt seem to work | Install Numpy in pydev(eclipse) | 0 | 0 | 0 | 16,056 |
29,765,477 | 2015-04-21T07:20:00.000 | 0 | 0 | 0 | 0 | python,python-2.7,amazon-web-services,boto | 29,777,440 | 2 | false | 0 | 0 | It looks quite custom.. so a custom script would be able to solve it. Using CLI commands like describe-images.
You should also store the creation of the image as a tag.
I assume you don't have that much images ( thousands) so you can easily build an array about the different images, count them and select the latest one... | 1 | 1 | 0 | I want to delete the AMI image on the basis of its count. That is, I have defined the instance-ids in the name tag of the image, so that i can know of which instance the image is. I want to delete the images if the image count goes over 30 for that particular instance and the images deleted must be older ones not the n... | Deleting the AMI Image | 0 | 0 | 0 | 1,218 |
29,766,605 | 2015-04-21T08:18:00.000 | 7 | 0 | 1 | 0 | python,debugging,pdb | 29,789,830 | 3 | true | 0 | 0 | I managed to fix the problem. Apparently there's another module in pip repository called pdb for shared password management. each time attempting pip install pdb I did not know my machine was installing the wrong module.
pdb module(python debugger) is shipped with product when you install it on your system or in the c... | 1 | 3 | 0 | previously, I had pdb installed system-wide using pip install, a little after I found out about ipdb. successfully installed it with pip.
Didn't quite work well, made me decided to go back to former pdb.
Now I get error using import pdb; pdb.set_trace()
exceptions.AttributeError: 'module' object has no attribute 'set_... | How did I mess up python pdb | 1.2 | 0 | 0 | 6,376 |
29,768,499 | 2015-04-21T09:43:00.000 | 0 | 1 | 0 | 1 | python,cron,cron-task | 29,769,403 | 2 | false | 0 | 0 | You can use a lock file to indicate that the first script is still running. | 1 | 0 | 0 | I start a script and I want to start second one immediately after the first one is completed successfully?
The problem here is that this script can take 10min or 10hours according to specific cases and I do not want to fix the start of the second script.
Also, I am using python to develop the script, so if you can pro... | How can I check whether the script started with cron job is completed? | 0 | 0 | 0 | 45 |
29,769,633 | 2015-04-21T10:29:00.000 | 1 | 0 | 1 | 0 | python,multithreading,function,global | 29,769,721 | 2 | false | 0 | 0 | No. There will only be a single instance of the 'global' variables (presumably defined at the top level of the module).
A module is only ever imported once, importing it a second time simply adds it to the appropriate namespace. | 2 | 1 | 0 | I have a library that uses quite a few global variables, that I'd like to use in a multi-threaded application, however what I'd like to know is if I import the library inside a function, will the library's global variables etc. be separate copies, so that they don't corrupt each other? | Python Import a library inside a function for multi-threading | 0.099668 | 0 | 0 | 55 |
29,769,633 | 2015-04-21T10:29:00.000 | 1 | 0 | 1 | 0 | python,multithreading,function,global | 29,769,731 | 2 | false | 0 | 0 | No. Python has Module Scope here whereby the global variables you have defined in that module if mutated by other threads without locking will have unpredictable behaviour.
I would refactor your code into a set of objects with remove the use of globals and possibly also implement locking if you intend to share the sam... | 2 | 1 | 0 | I have a library that uses quite a few global variables, that I'd like to use in a multi-threaded application, however what I'd like to know is if I import the library inside a function, will the library's global variables etc. be separate copies, so that they don't corrupt each other? | Python Import a library inside a function for multi-threading | 0.099668 | 0 | 0 | 55 |
29,772,530 | 2015-04-21T12:41:00.000 | 0 | 0 | 0 | 1 | python,ubuntu,selenium | 29,772,531 | 1 | true | 0 | 0 | Solved upgrading six
pip install --upgrade six | 1 | 0 | 0 | I'm trying to install selenium library for python on my Ubuntu machine using pip installer.
I receive the following error:
pip install selenium
Exception: Traceback (most recent call last): File
"/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in
main
status = self.run(options, args) File... | Can't install python selenium on Ubuntu 14.10/15.04(pre-release) | 1.2 | 0 | 1 | 361 |
29,773,989 | 2015-04-21T13:43:00.000 | 0 | 0 | 1 | 0 | python,list | 29,775,165 | 5 | false | 0 | 0 | "At least two elements" means that you can say the following for your list L without worrying about an IndexError being raised:
L[0] # First element is guaranteed to exist
L[1] # Second element is guaranteed to exist
L[-1] # Last element is guaranteed to exit
L[-2] # Next-to-last element is guaranteed to exist
I th... | 1 | 0 | 0 | Given a list L with at least 2 elements, write a Python code fragment that swaps the second and the last
elements of the list:
My question - When they say a list with at least 2 elements, does that mean l=[1,3] ? and just wondering if thats what it means could someone care explain what they mean by the second and last?... | Python code fragment - List | 0 | 0 | 0 | 2,054 |
29,775,174 | 2015-04-21T14:30:00.000 | 0 | 0 | 1 | 1 | python,windows,command-line | 29,775,325 | 2 | false | 0 | 0 | Change the shortcut target to "cmd filename" (i.e. add "cmd" before the target) | 1 | 1 | 0 | I made a shortcut of a python script on my desktop.
Now I want to open this with the command line and parameters.
If I open the properties of the shortcut, I can add the parameters, but I can't force to be opened with the command line.
The default program for these files is notepad++, but if I change it to "command lin... | How to open a shortcut with windows command line and parameters | 0 | 0 | 0 | 4,374 |
29,775,956 | 2015-04-21T15:00:00.000 | 2 | 0 | 0 | 0 | javascript,python,django,web-applications | 29,777,880 | 2 | true | 1 | 0 | You should indeed make two views, one to only return the page showing the loading UI and one to perform the long task.
The second view will be called using an AJAX request made from the "loading" page. The response from the AJAX request will notify your "loading" page that it is time to move on.
You need to make sure t... | 1 | 3 | 0 | I have a main view function for my application. After logging in successfully this main view method is called and is expected to render the template.
But I have to perform some calculations in this view method [I am checking certain conditions about the user by making facebook graph api request.]
Thus it takes 2~4 seco... | How do I make a loading page while I am processing something in the backend with Django? | 1.2 | 0 | 0 | 917 |
29,778,405 | 2015-04-21T16:46:00.000 | 1 | 0 | 0 | 0 | python,linux,apache,file-permissions | 29,778,427 | 2 | false | 0 | 0 | Change file permissions to make it executable: sudo chmod +x file.py | 2 | 0 | 0 | How to execute a file after it gets downloaded on client side,File is a python script, User dont know how to change permission of a file, How to solve this issue?? | File permission gets changed after file gets downloaded on client machine | 0.099668 | 0 | 1 | 48 |
29,778,405 | 2015-04-21T16:46:00.000 | 0 | 0 | 0 | 0 | python,linux,apache,file-permissions | 29,778,455 | 2 | false | 0 | 0 | Maybe you can try teaching them how to use chmod +x command? Or actualy even more simple it would be to change it using GUI: right click -> properties -> permissions-> pick what is needed | 2 | 0 | 0 | How to execute a file after it gets downloaded on client side,File is a python script, User dont know how to change permission of a file, How to solve this issue?? | File permission gets changed after file gets downloaded on client machine | 0 | 0 | 1 | 48 |
29,785,134 | 2015-04-21T23:43:00.000 | 0 | 0 | 1 | 0 | python,list,pandas | 29,785,304 | 3 | false | 0 | 0 | It appears that printing the list wouldn't work, and you haven't provided us with any code to work with, or an example print of what your date time looks like. My best suggestion is to use the sort function.
dataframe.sort()
If I wanted a specific date to print, I would have to say to print it by index number once you ... | 1 | 0 | 1 | I have a list of unique dates in chronological order.
I have a dataframe with dates in it. I want to use the list of dates in the dataframe to get the NEXT date in the list (find the date in dataframe in the list, return the date to the right of it ( next chronological date).
Any ideas? | get next value in list Pandas | 0 | 0 | 0 | 366 |
29,785,534 | 2015-04-22T00:24:00.000 | 1 | 0 | 1 | 1 | python,bash,debugging,pycharm,pdb | 37,883,146 | 1 | false | 0 | 0 | You can attach the debugger to a python process launched from terminal:
Use Menu Tools --> Attach to process then select python process to debug.
If you want to debug a file installed in site-packages you may need to open the file from its original location.
You can to pause the program manually from debugger and insp... | 1 | 4 | 0 | I know how to set-up run configurations to pass parameters to a specific python script. There are several entry points, I don't want a run configuration for each one do I? What I want to do instead is launch a python script from a command line shell script and be able to attach the PyCharm debugger to the python scri... | How to attach to PyCharm debugger when executing python script from bash? | 0.197375 | 0 | 0 | 1,147 |
29,785,815 | 2015-04-22T00:52:00.000 | 3 | 0 | 1 | 0 | python-2.7,floating-point,floating-accuracy,floating-point-precision,floating-point-conversion | 29,785,841 | 3 | false | 0 | 0 | Sum them and then divide by 100. A good rule of thumb is that you can usually minimize FP error by performing fewer operations[1]. If you sum them and then divide, you have performed 100 floating-point operations. If you divide and then sum, you have performed 199 floating-point operations.
[1] there are exceptions ... | 1 | 1 | 0 | Let's say that I have a large number of floats, e.g. 100, and I need to calculate their average.
To get the most accurate result, should I sum all the numbers and then divide by 100?
Or should I divide each number by 100, and then sum all of them?
(If it matters, I'm coding in Python 2.) | Maintain precision when averaging floats | 0.197375 | 0 | 0 | 485 |
29,786,099 | 2015-04-22T01:23:00.000 | 2 | 0 | 1 | 0 | python-3.x,random | 29,786,160 | 3 | true | 0 | 0 | this will do the trick random.random() - .5 | 1 | 2 | 0 | How to generate a random number in the interval [-0.5, 0.5] using Python random() or randrange() functions? | Generate a random number from an interval in Python | 1.2 | 0 | 0 | 12,525 |
29,786,322 | 2015-04-22T01:50:00.000 | 1 | 0 | 0 | 0 | python,sqlalchemy | 29,786,610 | 1 | false | 0 | 0 | I think a SQLAlchemy RowProxy uses _row, a tuple, to store the value. It doesn't have a __dict__, so no storage overhead of a _dict__ per row. Its _parent object has fields which store the column names to index pos in tuple lookup. Pretty common thing to do if you are trying to cut on down sql fetching result sizes ... | 1 | 0 | 0 | The same attributes stored in __dict__ are needed to restore the object, right? | Why is a pickled SQLAlchemy model object smaller than its pickled `__dict__`? | 0.197375 | 1 | 0 | 100 |
29,789,325 | 2015-04-22T06:23:00.000 | 0 | 0 | 0 | 0 | python,django,photologue | 31,057,437 | 2 | false | 1 | 0 | In the admin panel, you also need to:
Create a gallery.
Choose which photos are a part of which galleries. | 1 | 0 | 0 | I installed photologue correctly in my project (blog) and I can add images in admin panel, but how to display them on my main page? | How to add a gallery in photologue? | 0 | 0 | 0 | 244 |
29,791,175 | 2015-04-22T07:56:00.000 | 1 | 0 | 0 | 0 | python,visual-studio,flask | 29,791,283 | 1 | true | 1 | 0 | In Flask it is usually enough to import the files the routed functions are defined in. You can add your API methods in an other file and import it. Make sure you don't have any circular imports, they are a source of problem in Flask quite often.
If things are getting more complex, it's best to use Blueprints to bundle ... | 1 | 0 | 0 | I'm using the Python Tools for Visual Studio (PTVS 2.2 Beta) and creating a new Flask Web Project with Visual Studio 2013. (btw I'm new to both Flask and Python...)
The views.py contains my routes. How does VS know to load this file? I don't see it in any properties or other files. Is it a default to always have th... | How does Flask know to load the views.py in the Visual Studio default Flask Solution? | 1.2 | 0 | 0 | 251 |
29,792,439 | 2015-04-22T08:56:00.000 | 1 | 0 | 0 | 0 | python,django,unit-testing | 47,938,881 | 6 | false | 1 | 0 | Another possibility is that you've disconnected signals in the setUp of a test class and did not re-connect in the tearDown. This explained my issue. | 1 | 31 | 0 | I have a test in Django 1.5 that passes in these conditions:
when run by itself in isolation
when the full TestCase is run
when all of my app's tests are run
But it fails when the full test suite is run with python manage.py test. Why might this be happening?
The aberrant test uses django.test.Client to POST some da... | why would a django test fail only when the full test suite is run? | 0.033321 | 0 | 0 | 8,341 |
29,794,354 | 2015-04-22T10:13:00.000 | 1 | 0 | 0 | 1 | python,esky | 30,921,894 | 1 | false | 0 | 0 | Esky uses a bootstrapping mechanism that keeps the app safe in the face of failed or partial updates.
The top level executable is the one you should be running, it does all the business of managing what version to run. Once it has decided what to run it will open up the exe for the correct version. | 1 | 1 | 0 | esky 0.9.8 creates 2 executables of my application.
There is an inner executable that weights less then the outer executable.
I would like to know if esky is supposed to create 2 executables and if there are any drawbacks or advantages in creating 2 executables.
I would also like to know which executable should I be ca... | Why does esky create 2 executables? | 0.197375 | 0 | 0 | 54 |
29,794,957 | 2015-04-22T10:39:00.000 | 0 | 1 | 0 | 0 | python,encode,gsutil | 29,808,376 | 1 | false | 0 | 0 | I assume you're getting this error when trying to upload(copy) your files to the Google Cloud Storage using 'gsutil' tool.
In order to resolve the issue install UTF-8 version of your Russian font on your computer. | 1 | 1 | 0 | I need to backup on the Google Storage, files having name with russian characters. Is there any solution? I get this kind of error:
'ascii' codec can't encode characters in position 203-213: ordinal not in range(128) | gsutil api google storage nearline | 0 | 0 | 0 | 141 |
29,796,483 | 2015-04-22T11:43:00.000 | 1 | 0 | 0 | 0 | javascript,google-apps-script,google-api,google-api-python-client | 29,799,548 | 1 | false | 1 | 0 | Here is a way to do it without triggers/onEdit and without polling the spreadsheet api. Beware this is hacky but it has the advantage of not using apps script quotas or spreadsheet api quotas to detect changes1) in the spreadsheet enable email notifications whenever the spreadsheet changes.2) using gmail filters send t... | 1 | 0 | 0 | I am very new to JavaScript and Google app script. I want to monitor changes in a sheet. And if there is an edit, I want a script function to run. Triggers are not an option here to use because they have small quota limit. So I can not use onEdit or time driven triggers to call my function. I need some service to use G... | Is there a service that can use google api to monitor changes in google spreadsheet? | 0.197375 | 0 | 0 | 736 |
29,797,893 | 2015-04-22T12:40:00.000 | 0 | 0 | 1 | 0 | python,opencv,pycharm | 56,717,998 | 4 | false | 0 | 0 | Do the following steps:
Download and install the OpenCV executable.
Add OpenCV in the system path(%OPENCV_DIR% = /path/of/opencv/directory)
Go to C:\opencv\build\python\2.7\x86 folder and copy cv2.pyd file.
Go to C:\Python27\DLLs directory and paste the cv2.pyd file.
Go to C:\Python27\Lib\site-packages directory and p... | 3 | 7 | 1 | I am working on a project that requires OpenCV and I am doing it in PyCharm on a Mac. I have managed to successfully install OpenCV using Homebrew, and I am able to import cv2 when I run Python (version 2.7.6) in Terminal and I get no errors. The issue arises when I try importing it in PyCharm. I get a red underline wi... | Cannot import cv2 in PyCharm | 0 | 0 | 0 | 8,253 |
29,797,893 | 2015-04-22T12:40:00.000 | 0 | 0 | 1 | 0 | python,opencv,pycharm | 44,804,084 | 4 | false | 0 | 0 | Have you selected the right version of python ?
or rather, when you have installed opencv with brew, this last probably has installed a new version of python that you can find in Cellar's Directory. You can see this immediately; from the main window of PyCharm select:
Configure -> Preferences -> Project Interpreter
... | 3 | 7 | 1 | I am working on a project that requires OpenCV and I am doing it in PyCharm on a Mac. I have managed to successfully install OpenCV using Homebrew, and I am able to import cv2 when I run Python (version 2.7.6) in Terminal and I get no errors. The issue arises when I try importing it in PyCharm. I get a red underline wi... | Cannot import cv2 in PyCharm | 0 | 0 | 0 | 8,253 |
29,797,893 | 2015-04-22T12:40:00.000 | 0 | 0 | 1 | 0 | python,opencv,pycharm | 39,482,840 | 4 | false | 0 | 0 | I got the same situation under win7x64 with pycharm version 2016.1.1, after a quick glimpse into the stack frame, I think it is a bug!
Pycharm ipython patches import action for loading QT, matplotlib, ..., and finally sys.path lost its way!
anyway, there is a workaround, copy Lib/site-packages/cv2.pyd or cv2.so to $PYT... | 3 | 7 | 1 | I am working on a project that requires OpenCV and I am doing it in PyCharm on a Mac. I have managed to successfully install OpenCV using Homebrew, and I am able to import cv2 when I run Python (version 2.7.6) in Terminal and I get no errors. The issue arises when I try importing it in PyCharm. I get a red underline wi... | Cannot import cv2 in PyCharm | 0 | 0 | 0 | 8,253 |
29,798,334 | 2015-04-22T12:58:00.000 | 1 | 0 | 1 | 0 | python,django,python-2.7,python-3.4 | 29,906,257 | 1 | true | 0 | 0 | By using --ignore-installed with pip, I was able to overcome these issues. By recreating shortcuts and such it works fine now. Seems that with two version of python you must take extra care in setup and PYTHONPATH or these isssue occur. | 1 | 1 | 0 | I have both Python 2.7 and 3.4 on my Windows machine. I have pip, pip2, and pip3. Pip2 is 2.7 while the others are 3.4 when running pip(,2,3) -V However, pip -V, pip2 -V and pip3 -V All show the same thing about pips location and all but pip2 show that it's for Python3.4. For all three the location they show for pi... | Pip with Python 2.7 and 3.4 on Windows Machine | 1.2 | 0 | 0 | 495 |
29,798,471 | 2015-04-22T13:03:00.000 | 0 | 0 | 0 | 0 | django,python-3.x | 29,798,581 | 2 | false | 1 | 0 | We did this just by change the Model field to not allow null/blank and add default value, and also write a script to add default value to the already existed data whose field is null/blank. | 2 | 0 | 0 | I have a database where I have older entries which contain null/blank values for a specific field. However, from now on, I would like to not allow null/blank values to be added to the database.
Is there a way to do this in Django 1.7, python 3.4. | Django 1.7 - allow null and blank in the database, but do not allow null or blank in admin form | 0 | 0 | 0 | 41 |
29,798,471 | 2015-04-22T13:03:00.000 | 1 | 0 | 0 | 0 | django,python-3.x | 29,798,580 | 2 | true | 1 | 0 | There's really no such thing as blank in the database, or null in the admin. null controls whether the database can contain NULL values (not even empty values, just NULL). blank controls whether the admin and modelforms accept empty values.
It seems to me that what you want is simply null=True, blank=False. | 2 | 0 | 0 | I have a database where I have older entries which contain null/blank values for a specific field. However, from now on, I would like to not allow null/blank values to be added to the database.
Is there a way to do this in Django 1.7, python 3.4. | Django 1.7 - allow null and blank in the database, but do not allow null or blank in admin form | 1.2 | 0 | 0 | 41 |
29,798,841 | 2015-04-22T13:18:00.000 | 1 | 0 | 0 | 0 | python,django,testing,migration | 29,814,121 | 2 | false | 1 | 0 | Put your your apps before Django apps in INSTALLED_APP in settings.py file | 1 | 7 | 0 | I am using the custom user model which inherits from the AbstractBaseUser class. When I try to migrate after makemigrations command
django.db.utils.ProgrammingError: relation "custom_user_users" does not exist
This is happening since Django is trying to migrate other apps first which depends upon the custom user mod... | Change the order in which Django migrate app during testing | 0.099668 | 0 | 0 | 2,278 |
29,799,993 | 2015-04-22T14:01:00.000 | 0 | 0 | 0 | 0 | python,salesforce,soql | 34,097,734 | 1 | false | 0 | 0 | If you truly wish to extract everything, you can use the query_all function.
query_all calls the helper function get_all_results which recursively calls query_more until query_more returns "done". The returned result is the full dictionary of all your results.
The plus, you get all of your data in a single dictionary.... | 1 | 0 | 0 | I am using simple_salesforce package in python to extract data from SalesForce.
I have a table that has around 2.8 million records and I am using query_more to extract all data.
SOQL extracts 1000 rows at a time. How can I increase the batchsize in python to extract maximum number of rows at a time. [I hope maximum num... | Increasing Batch size in SOQL | 0 | 1 | 0 | 122 |
29,802,546 | 2015-04-22T15:42:00.000 | 2 | 0 | 0 | 0 | python,django | 29,804,634 | 1 | true | 1 | 0 | You most likely have a Python file called filer.py or a Python module (folder containing a __init__.py file) called filer in your current directory (or somewhere in your PYTHON_PATH) which shadows the filer package you installed.
You need to remove or rename that file/module in order to be able to use the filer package... | 1 | 0 | 0 | I have this problem. I have installed filer and when I import only filer its fine import filer
It is importing but when I do from filer.fields.image import FilerImageField
It is not importing and gives error no module named fields.image
What is the problem? I have gone through the documentation and it gives the same w... | django filer no module named fields.image error | 1.2 | 0 | 0 | 809 |
29,803,463 | 2015-04-22T16:20:00.000 | 0 | 0 | 0 | 0 | python,networking,directory,sftp,distutils | 29,803,781 | 1 | false | 0 | 0 | Do you mean the "copy_tree" method in distutils.dir_util module? If so the answer is no, with a caveat. The Code requires a directory name for both the source and destination directories. The caveat is if you can mount the remote drive onto your the local machine then it would be doable. | 1 | 0 | 0 | I'm wondering if there is a way to use the copy_tree module in Python to copy a directory tree over a network. Has anyone done this or seen something close to this? | Python : copy_tree over network? | 0 | 0 | 1 | 90 |
29,803,949 | 2015-04-22T16:44:00.000 | 0 | 0 | 1 | 1 | python,pip,virtualenv,virtualenvwrapper | 29,906,180 | 1 | true | 0 | 0 | Seems by realiasing pip and starting over and using --force-installed to install everything all over (including venv) it worked. | 1 | 0 | 0 | I install to virtualenv, yet it still runs the versions from C:\Python27\site-packages or C:\Python34\site-packages. When I try to install with pip in my venv I get already installed and the location is the global site-packages.
Any idea why that could be??
Also my virtualenv wrapper commands work but when i do workon... | Installing to virtual env doesn't work | 1.2 | 0 | 0 | 768 |
29,805,701 | 2015-04-22T18:11:00.000 | 0 | 0 | 0 | 0 | python,events,audio,pygame | 29,806,090 | 1 | false | 0 | 1 | -.- I misunderstood the documentation. There is said:
The type argument will be the event id sent to the queue. This can be any valid event type, but a good choice would be a value between pygame.locals.USEREVENT and pygame.locals.NUMEVENTS. If no type argument is given then the Channel will stop sending endevents.
A... | 1 | 0 | 0 | In pygame I can use pygame.mixer.music to load and play long audio files (by streaming), or pygame.mixer.Sound & pygame.mixer.Channel for shorter ones (that are loaded entirely into memory) - as I understand correctly.
I'd like to use both of these methods. However I'd also like to know, when playback of given Channel ... | How to differentiate endevent of music and channel? | 0 | 0 | 0 | 196 |
29,806,160 | 2015-04-22T18:36:00.000 | 2 | 0 | 0 | 0 | python,pyqt,qcombobox,qpushbutton,qdate | 29,907,644 | 1 | true | 0 | 1 | You can try a QToolButton with no text and the arrowType property set to Qt.DownArrow. eg: myqtoolbutton.setArrowType(Qt.DownArrow). | 1 | 0 | 0 | In PyQt4, I want to present a QPushButton that looks like the down-arrow button in QComboBox. Feasible, and if so, how?
I don't need help getting my new widget-combination acting like a QComboBox (see below). I only want the QPushButton display/graphic to look like the down-arrow button in a QComboBox - and tips/code ... | PyQt: display QPushButton that looks like the down-arrow button in QComboBox | 1.2 | 0 | 0 | 2,863 |
29,806,384 | 2015-04-22T18:48:00.000 | 3 | 0 | 0 | 1 | python-2.7,google-app-engine,memcached | 29,806,800 | 1 | true | 1 | 0 | Moving objects to and from Memcache will have no impact on your memory unless you destroy these objects in your Java code or empty collections.
A bigger problem is that memcache entities are limited to 1MB, and memcache is not guaranteed. The first of these limitations means that you cannot push very large objects into... | 1 | 0 | 0 | I'm currently running into soft memory errors on my Google App Engine app because of high memory usage. A number of large objects are driving memory usage sky high.
I thought perhaps if I set and recalled them from memcache maybe that might reduce overall memory usage. Reading through the docs this doesn't seem to ... | Will using memcache reduce my instance memory? | 1.2 | 1 | 0 | 130 |
29,807,381 | 2015-04-22T19:45:00.000 | 1 | 0 | 1 | 1 | python,windows,process,wmi,remote-access | 29,809,058 | 3 | true | 0 | 0 | I figured out the answer in case anybody else runs into a similar issue; You actually dont even need WMI and can be run directly from command prompt:
if you are in the same network you can issue a command via command prompt with the following format:
taskkill /s [Computer name or IP] /u [USER or DOMAIN\USER] /p Passwor... | 1 | 2 | 0 | I know it is possible to create a process on a remote windows machine using the WMI module but I wish to know if the same can be said for ending a process. I havent been able to find a thread or any documentation for this so please if you can help me It would be greatly appreciated. | Possible to Kill Processes using WMI Python | 1.2 | 0 | 0 | 2,587 |
29,810,878 | 2015-04-22T23:36:00.000 | 0 | 0 | 0 | 0 | python,rest,python-jira | 29,880,808 | 2 | false | 0 | 0 | Just to be clear, one of the reasons why is called REST api is because you do not have to do anything with the session. | 1 | 0 | 0 | I am trying to invalidate the session using jira-python rest client. How can I achieve this feature, is it built in or needs to be implemented?
I tried looking at all the APIs available in client.py and there seems to be no way to destroy or invalidate a session.
Another question that follow is, do I have to authentica... | Destroy session using jira-python REST client | 0 | 0 | 1 | 1,174 |
29,811,173 | 2015-04-23T00:03:00.000 | 6 | 0 | 1 | 0 | python,image | 29,857,854 | 1 | false | 0 | 0 | It seems like this is so trivial everyone knows how to vote down but no one knows the answer, right?
OK, so the package is Image, to create a canvas we need Image.new(colour_mode, size=(x,y), colour)
to put an image into this image we need
Image.paste(image, (left, up, right, down))
Thanks a lot for nothing. | 1 | 4 | 0 | Here is my problem: I have n images. They have the same width and height, they are png. I want to make an image(png) that contains a table out of them that have 5x(n/5) images in it by simply putting them next to each other.
I never tried creating images in Python, so could you help me what package and functions to us... | Creating image table in python | 1 | 0 | 0 | 2,720 |
29,811,281 | 2015-04-23T00:13:00.000 | 0 | 0 | 0 | 0 | python,django,templates | 29,813,856 | 2 | false | 1 | 0 | Well it is not a good solution, but try hardcoding the full path. | 1 | 4 | 0 | I am trying to create a login page in my django application. I created a "templates" folder on the root directory of my application.
Then on my settings.py I wrote this code.
TEMPLATE_DIRS = (os.path.join(BASE_DIR,'templates'),)
And it is giving this feedback:
TemplateDoesNotExist at /login/
Template-loader postmort... | Djangos TEMPLATE_DIRS not found | 0 | 0 | 0 | 717 |
29,811,423 | 2015-04-23T00:28:00.000 | 0 | 0 | 1 | 0 | python,opencv,py2exe,pyinstaller | 38,987,705 | 2 | false | 0 | 0 | I guess I will go ahead and post an answer for this, but solution was provided by @otterb in the comments to the question. I am pasting the text here:
"py2exe is not perfect so will often miss some libraries or dll, pyd etc needed. Most likely you are missing opencv_highgui249.dll and opencv_ffmpeg249.dll etc. I woul... | 1 | 0 | 1 | I have a python program that uses OpenCV to get frames from a video file for processing. I then create a standalone executable using py2exe (also tried pyinstaller and got same error). My computer and the target computer are both Windows 7, but the target computer does not have python installed. I use OpenCV to read th... | OpenCV with standalone python executable (py2exe/pyinstaller) | 0 | 0 | 0 | 6,352 |
29,812,355 | 2015-04-23T02:07:00.000 | 0 | 0 | 0 | 1 | php,python,mysql,linux,webserver | 29,814,988 | 1 | false | 0 | 0 | If you expect code running on the production server to connect to a mysql db, then yes. | 1 | 1 | 0 | I am setting up a production server for the first time and would like to make sure I only have what I need for security prepress.
By "interactions" since I'm also new to programming, I think I mean "API calls".
Do I need mysql-client on a Linux (Debian) server to be able to 'talk' to mysql with any programming langua... | Do I need mysql-client for PHP/Python etc interactions? | 0 | 0 | 0 | 35 |
29,812,987 | 2015-04-23T03:13:00.000 | 0 | 0 | 0 | 0 | python,xml,django,django-models | 29,970,413 | 1 | true | 1 | 0 | Judging by the deafening silence, I gather the answer is: do it differently.
We're rebuilding the project to consume a JSON ReSTful interface instead. | 1 | 0 | 0 | A software architecture question:
I have the top two/thirds of a Django app: the view and template layers. I'd like to use an external resource for the model. How?
I'd like to use as much of the Django model layer as possible, for the ORM. The external resource is a specialized Java package, providing content via a f... | Django: thin model to consume XML API? | 1.2 | 0 | 0 | 65 |
29,814,020 | 2015-04-23T04:57:00.000 | 1 | 0 | 0 | 1 | python,linux,windows | 29,815,298 | 2 | false | 1 | 0 | What you are looking for is a GUI tool-kit with bindings to python. Tkinter is the de facto standard for python GUI and is cross platform. Qt is also a popular choice but the license is more restrictive then Tkinter but will allow you to transition into C++ programming with Qt easier if that is something you may want t... | 1 | 2 | 0 | I am pretty familiar with building web based apps using python django on my linux machine. But when I decided to try my hand at building desktop applications that can run on windows/linux I didn't know where to begin.
I know I can surely build windows desktop application on windows machine. But I am pretty comfortable ... | Recommended way to build cross platform desktop application using linux development machine | 0.099668 | 0 | 0 | 1,133 |
29,824,790 | 2015-04-23T13:22:00.000 | 15 | 0 | 1 | 0 | python,macos,sympy | 29,824,853 | 3 | true | 0 | 0 | Use pip list to list all packages and their versions. You can pipe it to grep to search for the package your interested in:
pip list | grep sympy
Alternatively to get all information about that package including version you can use pip show:
pip show sympy
To upgrade it's simply:
pip install --upgrade sympy
If you need... | 1 | 23 | 0 | How to check the current version of SymPy and upgrade to the latest version?
I am using macOS. The way I installed my current version is using pip install sympy. | How to check the current version of sympy and upgrade to the latest version? | 1.2 | 0 | 0 | 12,119 |
29,824,873 | 2015-04-23T13:25:00.000 | 3 | 1 | 0 | 0 | python,security,port,password-protection,portforwarding | 29,825,016 | 2 | false | 0 | 0 | You cannot password protect a port. That concept is several layers up in the network stack and not something regular internet gear has anything to do with.
You'll have to add authentication at the service/application layer. Meaning, your Pi will have to demand authentication. Whether that's possible or not depends on w... | 2 | 0 | 0 | I have a Python program that runs on my Windows 7 computer which communicates with a Raspberry Pi over the internet through a port I opened with a Port Forwarding rule on my internet modem.
I am concerned about a hacker getting through that open port and causing problems.
My question is:
Is there a way to password p... | Port Forwarding Security | 0.291313 | 0 | 0 | 768 |
29,824,873 | 2015-04-23T13:25:00.000 | 0 | 1 | 0 | 0 | python,security,port,password-protection,portforwarding | 29,844,068 | 2 | false | 0 | 0 | You can effectively "password protect a port" via an SSH tunnel.
Instead of opening your application's port, you open TCP port 22 and run an SSH daemon. The SSH service can be protected by a password, passphrase, a key file or a combination thereof.
When you connect to SSH from Windows using PuTTY or Plink, you can spe... | 2 | 0 | 0 | I have a Python program that runs on my Windows 7 computer which communicates with a Raspberry Pi over the internet through a port I opened with a Port Forwarding rule on my internet modem.
I am concerned about a hacker getting through that open port and causing problems.
My question is:
Is there a way to password p... | Port Forwarding Security | 0 | 0 | 0 | 768 |
29,826,237 | 2015-04-23T14:19:00.000 | 0 | 0 | 1 | 1 | python,python-2.7,pip,anaconda,eyed3 | 29,851,171 | 1 | false | 0 | 0 | The problem is that this file is only written for Python 2 but you are using Python 3. You should use Anaconda (vs. Anaconda3), or create a Python 2 environment with conda with conda create -n py2 anaconda python=2 and activate it with activate py2. | 1 | 2 | 0 | could you help me with that. I can't manage to install this plugin. I tried:
1) install it through pip
2) through setup.py in win console
3) through anaconda3 but still no.
4) I searched about it in web and here, but insructions are made to older versions.
5) and also through the installation page of eyeD3.
Could you ... | I can't install eyeD3 0.7.5 into Python in windows | 0 | 0 | 0 | 641 |
29,826,523 | 2015-04-23T14:30:00.000 | 2 | 0 | 0 | 0 | python,floating-point,double,precision | 29,826,612 | 2 | false | 0 | 0 | You could try the c_float type from the ctypes standard library. Alternatively, if you are capable of installing additional packages you might try the numpy package. It includes the float32 type. | 1 | 6 | 1 | I need to implement a Dynamic Programming algorithm to solve the Traveling Salesman problem in time that beats Brute Force Search for computing distances between points. For this I need to index subproblems by size and the value of each subproblem will be a float (the length of the tour). However holding the array in m... | Python float precision float | 0.197375 | 0 | 0 | 4,158 |
29,828,922 | 2015-04-23T16:08:00.000 | 4 | 0 | 0 | 0 | python,spatial | 32,484,856 | 2 | true | 0 | 0 | Solved my problem, this is for others looking to do same analysis.
Definitely recommend using R for spatial analysis. A transfer from python is simple because all you need is coordinates of your point pattern.
Write a csv of x,y and z coordinates of your points using python
R has good functionality of reading csv usin... | 1 | 7 | 1 | I am looking for Ripley's k function implementation in Python. But so far haven't been able to find any spatial modules implementing this in scipy or elsewhere.
I have created Voronoi tessellation of a fibre composite and need to perform analysis using Ripley's K and pair distribution functions compared to a Poisson d... | Ripley's K Function (Second order intensity function) Python | 1.2 | 0 | 0 | 2,325 |
29,832,656 | 2015-04-23T19:28:00.000 | 1 | 0 | 0 | 0 | python,authentication,authorization,google-bigquery | 29,853,676 | 1 | false | 0 | 0 | The issue was environmental. My browser was not recognizing localhost, so when I manually modified the url to reference the ip, 127.0.0.1, then the authorization succeeded.
Thanks for the responses. | 1 | 2 | 0 | I am trying to run a sample BigQuery query using a Python Client that I downloaded from the Google Site (modified with my client secrets, project info, etc.), but am unable to get passed the browser page that is requesting access. I've tried several browsers including Chrome and Firefox. I am on a MAC if that matters... | Unable to Authenticate with Google BigQuery | 0.197375 | 0 | 1 | 442 |
29,837,153 | 2015-04-24T01:27:00.000 | 0 | 0 | 0 | 0 | python,pandas | 29,892,429 | 2 | false | 0 | 0 | Row by row. Pandas is not the ideal tool for this.
I would suggest you look into Map/Reduce. It is designed for exactly this. Streaming is the key to row by row processing. | 1 | 1 | 1 | I have a lot of time series data. Almost 3 GB of csv files. The dimensions are 50k columns with 6000 rows. Now I need to process them row by row. They are time ordered and its important that for each row, I look at each column.
Would importing this in to pandas as a pivot table and iterating them over row by row effic... | Python Pandas Large Row Processing | 0 | 0 | 0 | 662 |
29,839,766 | 2015-04-24T05:56:00.000 | 3 | 0 | 0 | 0 | python,django | 42,911,596 | 2 | false | 1 | 0 | If you need it only for reporting errors the best choice would be to inherit from the django.utils.log.AdminEmailHandler and override the def format_subject(self, subject): method.
Note that changing EMAIL_SUBJECT_PREFIX will affect not only error emails but all emails send to admins including system information email... | 1 | 7 | 0 | i noticed about to change the subject for django error reporting emails,
is it possible to change subject?
can we modify the subject for Django error reporting emails ? | how to change the subject for Django error reporting emails? | 0.291313 | 0 | 0 | 1,862 |
29,840,006 | 2015-04-24T06:15:00.000 | 0 | 0 | 0 | 0 | python,performance,numpy,save | 29,841,705 | 1 | false | 0 | 0 | Try to make the data obsolete as fast as possible by further processing/accumulating e.g. plotting immediately.
You did not give details about the memory/storage needed. for sparse matrices there are efficient representations. if your matrices are not sparse there are roughly 500k entries per matrix and therefore 5G en... | 1 | 0 | 1 | This is a broad question. I am running a very long simulation (in Python) that generates a sizeable amount of data (about 10,000 729*729 matrices). I only need the data to plot a couple of graphs and then I'm done with it. At the moment I save the data in (numpy) arrays. When the simulation is complete I plot the data.... | Is it better to store temp data in arrays or save it to file for access later? | 0 | 0 | 0 | 626 |
29,842,709 | 2015-04-24T08:44:00.000 | 0 | 0 | 1 | 0 | python,point-cloud-library | 29,874,427 | 3 | false | 0 | 0 | PCL depend on Boost, VTK, Eigen, FLANN and QHull.
So it's diffucult to bind PCL to python.
So code PCL in C++. | 1 | 2 | 0 | How to install Point cloud library on python on Windows?
I am working on Anaconda which is python distribution.
So what is the way to install PCL using pip?
If you know any other method please let me know. | Installing PCL python on Windows using PIP | 0 | 0 | 0 | 2,681 |
29,843,170 | 2015-04-24T09:05:00.000 | 1 | 0 | 0 | 0 | python,cx-oracle | 30,171,565 | 2 | false | 0 | 0 | If you use multiple cursor. cursor.close() will help you to release the resources you don't need anymore.
If you just use one cursor with one connection. I think connection.close() is fine. | 1 | 4 | 0 | I'm using cx_Oracle module in python. Do we need to close opened cursors explicitly? What will happen when we miss to close the cursor after fetching data and closing only the connection object (con.close()) without issuing cursor.close()?
Will there be any chance of memory leak in this situation? | cx_Oracle module cursor close in python | 0.099668 | 1 | 0 | 4,239 |
29,843,710 | 2015-04-24T09:28:00.000 | 0 | 1 | 0 | 1 | python,linux,passwords | 29,938,376 | 4 | true | 0 | 0 | I figured out the best way is to disable it via sudo command:
Cmnd_Alias SCRIPT =
Defaults!SCRIPT !syslog
The above lines in sudoers.conf should help from preventing the logging in syslog. | 1 | 2 | 0 | I have a sample python script: sample.py. The script takes the argument as the user name and password to connect to some remote server. When I run the script sample.py --username --password , the password is being logged in linux messages files. I understand this is a linux behavior, but wondering if we can do anythin... | plain Password is logged via my python script | 1.2 | 0 | 0 | 446 |
29,845,345 | 2015-04-24T10:40:00.000 | 0 | 0 | 0 | 0 | python,scrapy | 29,871,881 | 1 | true | 1 | 0 | Your question doesn't compute, because the answer depends solely on your specific use case and the goal of your scraping. The criteria/metric of spiders success is directly derived from your business logic. Just take a step back and ask yourself, what do I want to achieve with this spider? When you answer that, the met... | 1 | 0 | 0 | To make sure everything is working properly, what metric should I monitor for a general spider?
Currently, I'll monitor
the number of item returned. E.g. the percentage change should be less than 1%
the number of error in log file. E.g. the error number should be zero
is it enough for a general spider? | what metric should I monitor for a spider in scrapy | 1.2 | 0 | 0 | 161 |
29,845,685 | 2015-04-24T10:56:00.000 | 1 | 0 | 0 | 1 | python,google-app-engine | 29,846,381 | 1 | true | 1 | 0 | The 'Datastore caching' you refer to is implemented using memcache under the hood anyway, so you won't gain from additional explicit caching of these entities.
Python's ndb API and Java's Objectify both provide memcache-based automated caching for exactly this scenario. Of course, you can still use memcache independen... | 1 | 0 | 0 | I have read that the datastore read request in the App engine get cached and subsequent reads performed on the same entity are fast.
So if i read an entity from datastore, are there any tangible benefits of storing the entity in the memcache explicitly for later fetches? Or would the datastore caching serve with suffic... | App engine Datastore cache or memcache | 1.2 | 0 | 0 | 290 |
29,845,940 | 2015-04-24T11:08:00.000 | 0 | 0 | 0 | 1 | python,google-app-engine | 29,846,170 | 1 | false | 1 | 0 | I'm not entirely clear on what you're looking for, but you can retrieve that type of information from the WSGI environmental variables. The method of retrieving them varies with WSGI servers, and the number of variables made available to your application depends on the web server configuration.
That being said, gettin... | 1 | 0 | 0 | I'm hosting my app on Google App Engine. Is there any posibility to get server IP of my app for current request?
More info:
GAE has a specific IP addressing. All http requests go to my 3-level domain, and IP of this domain isn't fixed, it changes rather frequently and can be different on different computers at the same... | GAE: how to get current server IP? | 0 | 0 | 0 | 157 |
29,846,606 | 2015-04-24T11:41:00.000 | -1 | 0 | 0 | 0 | python,django,internationalization,translation | 29,846,744 | 3 | false | 1 | 0 | I assume that you are using Django to create an API, and you consume the API with javascript. You can check the user-agent string from the header and make the appropriate redirect according to the request. | 1 | 3 | 0 | I have django app which is backend for javascript application intended for multiple TV devices. Each device has different frontend but I don't think that creating multiple .po files is good idea for this goal, because most of translations are repetitive for these devices.
Is this possible to add additional parameters f... | Django way for multiple translations for one language or parametrize translations | -0.066568 | 0 | 0 | 521 |
29,848,354 | 2015-04-24T13:07:00.000 | 0 | 0 | 0 | 0 | python,pygame,pyscripter | 29,859,267 | 1 | false | 0 | 1 | Woops I just needed to change run->python engine from internal to remote. | 1 | 0 | 0 | When PyScripter opens another window (eg. a pygame window or matplotlib graphs), I can't edit code until I close the other window. I can move around the code and delete bits, but can't type.
The problem didn't use to occur because the pygame window opened with another program (I think it was python.exe). I don't recall... | Pyscripter not editable when a sub window is open | 0 | 0 | 0 | 233 |
29,849,552 | 2015-04-24T14:03:00.000 | 1 | 1 | 0 | 0 | bash,python-2.7 | 29,849,608 | 2 | false | 0 | 0 | I suspect you're encountering output buffering, where it's waiting to get a certain number of bytes before it flushes. You can look at the unbuffer command if that is undesirable for you. | 1 | 0 | 0 | When I run my python script (content irrelevant for this question, just uses print a couple of times) interactively, it sends the output straight away.
When I use it in a pipe to tee or in an output redirection (./script.py > script.log) there is no output. What am I doing wrong? | Python only sends output interactvely | 0.099668 | 0 | 0 | 13 |
29,850,613 | 2015-04-24T14:49:00.000 | 0 | 0 | 0 | 1 | python,flask,uwsgi | 29,899,664 | 1 | true | 1 | 0 | Sorry false alarm. This was my Devops incorrectly pinging my actual application route for heartbeat. Sorry for the confusion. | 1 | 1 | 0 | I'm running a flask application using nginx and uwsgi and I noticed when I tail the logs for uwsgi it looks like its just constantly polling my app when I'm doing nothing. It also seems like it's cycling through the cores on my machine with each request so I see this in the logs.
[pid: 27182|app: 0|req: 557/784] {26 v... | Nginx/Uwsgi log showing duplicate requests | 1.2 | 0 | 0 | 602 |
29,851,825 | 2015-04-24T15:41:00.000 | 2 | 0 | 0 | 0 | android,python,kivy,qpython | 30,407,066 | 1 | true | 0 | 1 | You need to have
#qpy:kivy
part in the first line.
At least that was what happened to me.
I suppose that is because QPython is finding what type of app is it. | 1 | 1 | 0 | I've been programming some Kivy/Python apps on my Motorola Moto G mobile phone.
I've got a few handy little apps, that have been working OK for a few months.
Today, I launched one of the apps - through the QPython interface, and it didn't work.
So, I tried another of my apps and that failed to launch for the same reaso... | KeyError: 'ANDROID_APP_PATH' | 1.2 | 0 | 0 | 543 |
29,852,509 | 2015-04-24T16:14:00.000 | 1 | 0 | 0 | 0 | python,tcp,tcp-ip | 29,898,151 | 1 | false | 0 | 0 | To open a UDP socket you'd use:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_UDP
To send use:
query = craft_dns_query() # you do this part
s.sendto(query,(socket.inet_aton("8.8.8.8",53))
To receive the response use:
response = s.recv(1024)
You'll have to refer to documentation on DNS for actuall... | 1 | 2 | 0 | I've been using Scapy to craft packets and test my network, but the programmer inside me is itching to know how to do this without Scapy.
For example, how do I craft a DNS Query using sockets (I assume it's sockets that would be used).
Thanks | Crafting a DNS Query Message in Python | 0.197375 | 0 | 1 | 2,153 |
29,852,919 | 2015-04-24T16:37:00.000 | 1 | 0 | 1 | 0 | python,pycharm,versions | 29,869,463 | 1 | true | 0 | 0 | Change the path in PyCharm (in Options). PyCharm shows the first one it sees, and the IDLE shows the one you are using currently. | 1 | 1 | 0 | I have installed Python 2.7.9 64 and 32 bit versions. I have also installed PyCharm for better easing with the learning (I just recently started learning Python).
The problem is that Pycharm and IDLE show different Python versions when usng sys.version, even though they use the same path for the .exe.
How can I solve t... | Different PyCharm and IDLE Python versions | 1.2 | 0 | 0 | 523 |
29,853,949 | 2015-04-24T17:33:00.000 | 2 | 0 | 0 | 0 | python,xml,parsing,sax,elementtree | 29,855,367 | 1 | true | 0 | 0 | What is important for you here is that you need a streaming parser, which is what sax is. (There is a built in sax implementation in python and lxml provides one.) The problem is that since you are trying to modify the xml file, you will have to rewrite the xml file as you read it.
An XML file is a text file, You can't... | 1 | 1 | 0 | I want to parse a large XML file (25 GB) in python, and change some of its elements.
I tried ElementTree from xml.etree but it takes too much time at the first step (ElementTree.parse).
I read somewhere that SAX is fast and do not load the entire file into the memory but it just for parsing not modifying.
'iterparse' s... | memory efficient way to change and parse a large XML file in python | 1.2 | 0 | 1 | 1,129 |
29,854,433 | 2015-04-24T18:00:00.000 | 0 | 0 | 0 | 0 | python,django,object,get,models | 29,882,375 | 1 | true | 1 | 0 | I solved it by using transaction.commit() before my second query. | 1 | 0 | 0 | I'm having this weird problem when using
Model.objects.get(op1=1,op2=2)
it raises the does not exist error although it exists. Did that ever happen with anyone?
I even checked in my logs to make sure that the log happened when the id already existed in the database.
[2015-04-24 20:18:21,106] ERROR: Couldn't find the... | Model.objects.get returns nothing | 1.2 | 1 | 0 | 57 |
29,855,209 | 2015-04-24T18:45:00.000 | 0 | 0 | 0 | 0 | paraview,pvpython | 29,926,488 | 1 | true | 0 | 0 | I figured that these catalyst editions are sort of 'stand-alone'. We don't have to mess with paraview installation but we should have most of what was needed as pre-requisits for paraview to build these. They consist of necessary files with cmakelists in order to build just by itself. It does not depend on ParaView.
W... | 1 | 0 | 0 | I'm trying to build Catalyst with an existing Superbuild of Paraview 4.1
I'm trying to generate the source tree as given in the wiki.
cd /Catalyst
python catalyze.py -i Editions/Base/ -o
I don't know if I can find the source in the existing build if it is there. The files in the downloaded catalyst Base seems diff... | Paraview Catalyst Build: If I download Base of the same version and set it as catalyst_source_dir while generating the source tree I get an error | 1.2 | 0 | 0 | 173 |
29,857,593 | 2015-04-24T21:13:00.000 | 0 | 0 | 1 | 1 | python,c++ | 29,858,319 | 1 | true | 0 | 0 | You can't do that unless you relax one of the restrictions.
Relax the python dict requirement: The command line has a well defined text arguments interface, which can easily handle all the info. You can pass the json filename, the str representation of the dict, or pass name-value pairs as command line arguments.
Re... | 1 | 0 | 0 | I have a wrapper file that is reading a JSON file into a dictionary.
I am using the os.system("command") command to run a C++ code in this python file.
The C++ code takes command line inputs which are key values in the parsed dictionary.
How can i pass a python variable as a command line input for a C++ code using t... | Passing dictionary values in python as command line inputs to c++ code | 1.2 | 0 | 0 | 211 |
29,866,234 | 2015-04-25T14:09:00.000 | 2 | 0 | 0 | 1 | python,google-app-engine,webapp2 | 29,866,631 | 1 | true | 1 | 0 | Use a 307 redirect. A 307 will not change the method of the redirect.
Wikipedia: 307 temporary redirect (provides a new URL for the browser to resubmit a GET or POST request) | 1 | 1 | 0 | I am trying to redirect a POST request from an Google App Engine Python Handler to another URL. The Problem is that it seems the method is changed to GET. Is there any way to set the POST method when redirecting? | Webapp2 Redirect Method | 1.2 | 0 | 0 | 177 |
29,870,031 | 2015-04-25T19:56:00.000 | 0 | 0 | 0 | 0 | python,math,vector,line,collision | 29,870,156 | 1 | false | 0 | 0 | Possible Solutions:
Instead of using a single 1D 'line', you could construct a 2D rectangle (that is as this as you want/need it to be) --- composed of 4 separate 'lines'. I.e. you can have collisions with any of the 4 faces of the rectangle object. Would that work?
Do some sort of corner collision -- if the ball is... | 1 | 1 | 1 | So I have a program where a ball subject to gravity bounces off of lines created by a user with mouse clicks. These lines are normally sloped. My collision bounces work perfectly EXCEPT in the case where ball does approximately this:
->O ------
My code works by finding the normal vector of the line such that the scala... | Ball-Line Segment Collision on End-Point of Line | 0 | 0 | 0 | 157 |
29,871,461 | 2015-04-25T22:31:00.000 | 1 | 0 | 0 | 0 | python,python-3.x,sqlite,unique-constraint | 29,874,681 | 2 | true | 0 | 0 | If the primary key is part of the UNIQUE constraint that led to the violation, you already have its value.
Otherwise, the two columns in the UNIQUE constraint are an alternate key for the table, i.e., they can uniquely identify the conflicting row.
If you need the actual primary key, you need to do an additional SELECT... | 1 | 1 | 0 | I have UNIQUE constraint on two columns of a table in SQLite.
If I insert a record with a duplicate on these two columns into the table, I will get an exception (sqlite3.IntegrityError).
Is it possible to retrieve the primary key ID of this record upon such a violation, without doing an additional SELECT? | Return existing primary key ID upon constraint failure in sqlite3 | 1.2 | 1 | 0 | 1,878 |
29,871,669 | 2015-04-25T22:57:00.000 | 6 | 0 | 0 | 0 | python,scipy | 29,883,739 | 3 | false | 0 | 0 | scipy.sparse has a number of formats, though only a couple have an efficient set of numeric operations. Unfortunately, those are the harder ones to extend.
dok uses a tuple of the indices as dictionary keys. So that would be easy to generalize from 2d to 3d or more. coo has row, col, data attribute arrays. Conceptu... | 1 | 14 | 1 | I am working on a project where I need to deal with 3 dimensional large array. I was using numpy 3d array but most of my entries are going to be zero, so it's lots of wastage of memory. Scipy sparse seems to allow only 2D matrix. Is there any other way I can store 3D sparse array? | Python multi dimensional sparse array | 1 | 0 | 0 | 9,257 |
29,871,970 | 2015-04-25T23:40:00.000 | 0 | 0 | 0 | 1 | python,eclipse,wxpython,pydev | 29,873,332 | 1 | true | 0 | 0 | I figured it out on my own. I deleted the wx and wxPython forced builtins and then loaded wx as an external library. Everything worked fine after that. | 1 | 0 | 0 | I'm using Eclipse Luna and the latest pydev with it. I have wxpython 3.0 installed. First, I could import wx and I tried in the console to print version, perfect, but then I do import wx.lib.pubsub -- it says unresolved. I try other variations, no dice, so I have to go into the properties of my project and add wx ma... | Python/Eclipse/wxPython -- CallAfter undefined variable? callAfter is as well -- confused | 1.2 | 0 | 0 | 94 |
29,876,315 | 2015-04-26T10:10:00.000 | 0 | 0 | 1 | 0 | python,apache,flask | 29,876,936 | 1 | false | 1 | 0 | Solved it by giving absolute path. I was trying all combinations of paths and also gave absolute path /var/www/arxiv/static/data/name.json and it worked. | 1 | 0 | 0 | I am using f = open('name.json','w+') to create a new file and write to it. But i am unable to create the file. Apache server logs show "No such file exists." | Unable to create a file on Ubuntu server using Flask and Python | 0 | 0 | 0 | 170 |
29,876,874 | 2015-04-26T11:11:00.000 | 0 | 0 | 0 | 0 | python,django,git | 31,610,217 | 1 | true | 1 | 0 | A possibility, as suggested, is templating the project which could suffice. However, templating projects would result in a different starting point for every project. Since templates evolve over time there's not one project that starts the same.
Having a baseline throughout all your projects seems only worth pursuing i... | 1 | 0 | 0 | I'm trying to decide whether underneath 'reusable apps' it is doable to maintain a reusable bare project setup as well.
On a side note: I can destroy any of my servers and rebuild it in barely hours as long as I have a (data) backup and a blueprint (in my case saltstack, but it might just as well be puppet, chef or wha... | Is it possible to maintain a reusable django *project* across apps? | 1.2 | 0 | 0 | 98 |
29,880,603 | 2015-04-26T16:57:00.000 | 7 | 0 | 1 | 0 | python,large-files | 29,880,709 | 3 | false | 0 | 0 | Multiprocessing will not really help, because your bottleneck is memory. You will need to use hashes:
Read line
Calculate hash, e.g. md5, look it up in a set of all encountered hashes.
Output line if hash not found in set and add this hash to set.
Couple things to be mindful of:
md5 takes 128 bits, so even without ... | 2 | 5 | 0 | I have a huge text file that has duplicate lines. The size would be about 150000000 lines. I'd like to find the most efficient way to read these lines in and eliminate duplicates. Some of the approaches I'm considering are as follows :-
Read the whole file in, do a list(set(lines)).
Read 10k lines in at a time, do a l... | Python read a huge file and eliminate duplicate lines | 1 | 0 | 0 | 1,785 |
29,880,603 | 2015-04-26T16:57:00.000 | 0 | 0 | 1 | 0 | python,large-files | 29,880,817 | 3 | false | 0 | 0 | Think about if you really need to solve this in python itself. You could
call out to sort and uniq, standard tools that are present on most posix systems. They will do the job, are faster and solve edge cases (eg running out of memory) before you thought about them
The most simple solution would probably be to create ... | 2 | 5 | 0 | I have a huge text file that has duplicate lines. The size would be about 150000000 lines. I'd like to find the most efficient way to read these lines in and eliminate duplicates. Some of the approaches I'm considering are as follows :-
Read the whole file in, do a list(set(lines)).
Read 10k lines in at a time, do a l... | Python read a huge file and eliminate duplicate lines | 0 | 0 | 0 | 1,785 |
29,881,872 | 2015-04-26T18:40:00.000 | 0 | 0 | 0 | 0 | python,matplotlib,plot | 41,026,037 | 2 | false | 0 | 0 | The inverted arrowhead is due to a negative sign of the head_length variable. Probably you are scaling it using a negative value. Using head_length= abs(value)*somethingelse should take care of your problem. | 1 | 3 | 1 | I am trying to plot arrows pointing at a point on a curve in python using matplotlib.
On this line i need to point vertical arrows at specific points.
This is for indicating forces acting on a beam, so their direction is very important. Where the curve is the beam and the arrow is the force.
I know the coordinate of sa... | Arrow pointing to a point on a curve | 0 | 0 | 0 | 1,773 |
29,883,690 | 2015-04-26T21:20:00.000 | 1 | 0 | 1 | 0 | python,pycharm,lapack,blas | 39,548,461 | 5 | false | 0 | 0 | I had the same issue, and downloading Anaconda, and switching the project interpreter in PyCharm to \Anaconda3\python.exe helped solve this.
Good luck! | 1 | 11 | 1 | I'm currently having trouble installing scipy via PyCharm's package manager. I have installed numpy successfully and do have the Microsoft Visual Studio C/C++ compiler in the System Variables.
However, when it's time to install scipy in PyCharm, the following error occurs:
Executed Command: pip install scipy
Error occu... | Trouble installing scipy via pyCharm windows 8 - no lapack / blas resources found | 0.039979 | 0 | 0 | 16,017 |
29,885,414 | 2015-04-27T00:42:00.000 | 1 | 0 | 0 | 0 | python,django,google-calendar-api | 29,885,432 | 1 | true | 1 | 0 | You can export it as CSV, much easier, and Google calendar supports it as Import format | 1 | 0 | 0 | I'm writing an app in Django, I would like to be able to allow users to export an event schedule to Google Calendar.
I was thinking about exporting the schedule to an iCal file, but I would have to use some unpopular third party libraries, which sounds like a lot of trouble. Does Django have a functionality like that? | How to export a schedule to Google Calendar? | 1.2 | 0 | 0 | 186 |
29,886,501 | 2015-04-27T03:03:00.000 | 1 | 0 | 1 | 0 | python,datetime,time | 29,886,958 | 2 | false | 0 | 0 | If running the script in a UNIX like OS, you can use the date command -
>>>import subprocess
>>>process=subprocess.Popen(['date','-d','@1430106933', '+%Y%m%d'], stdout=subprocess.PIPE)
>>>out,err = process.communicate()
>>>print out
20150426 | 1 | 2 | 0 | Without having to convert it to datetime, how can I get the date from a Unix timestamps? In other words, I would like to remove hours, minutes and seconds from the time stamp and get the numbers that represent the date only. | How to remove hours, minutes, and seconds from a Unix timestamp? | 0.099668 | 0 | 0 | 3,529 |
29,888,233 | 2015-04-27T05:58:00.000 | 1 | 0 | 0 | 0 | python,image,neural-network | 29,889,993 | 9 | false | 0 | 0 | Draw the network with nodes as circles connected with lines. The line widths must be proportional to the weights. Very small weights can be displayed even without a line. | 1 | 29 | 1 | I want to draw a dynamic picture for a neural network to watch the weights changed and the activation of neurons during learning. How could I simulate the process in Python?
More precisely, if the network shape is: [1000, 300, 50],
then I wish to draw a three layer NN which contains 1000, 300 and 50 neurons respectiv... | How to visualize a neural network | 0.022219 | 0 | 0 | 35,856 |
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