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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
8,841,705 | 2012-01-12T20:19:00.000 | 2 | 0 | 0 | 0 | python,django | 8,841,829 | 5 | false | 1 | 0 | I would suggest it's possible, but definitely steepens the learning curve. When learning a new language, I usually enjoy using it to actually do something useful rather than just writing Hello World programs. Learning Django while learning Python at the same time might be a good way to do this.
I did learn Ruby at th... | 5 | 4 | 0 | I am coming from procedural PHP with fair amount of knowledge on it. I want to learn Django but I don't have initial knowledge of Python. Can I learn Django at the same time also learning Python? Thank you so much! | Is learning Django without initial knowledge of Python possible? | 0.07983 | 0 | 0 | 7,541 |
8,841,705 | 2012-01-12T20:19:00.000 | 1 | 0 | 0 | 0 | python,django | 8,841,861 | 5 | false | 1 | 0 | Short answer: no.
Long answer: Learning a framework for a particular language is essentially taking the basic syntax with its nuances, and adding a new level of complexity to it. You're coming from a different language with a different semantic structure, so you would require time to both understand what Python's do... | 5 | 4 | 0 | I am coming from procedural PHP with fair amount of knowledge on it. I want to learn Django but I don't have initial knowledge of Python. Can I learn Django at the same time also learning Python? Thank you so much! | Is learning Django without initial knowledge of Python possible? | 0.039979 | 0 | 0 | 7,541 |
8,841,705 | 2012-01-12T20:19:00.000 | 0 | 0 | 0 | 0 | python,django | 25,205,713 | 5 | false | 1 | 0 | Learning Python through Django is like learning PHP through wordpress. You will learn python, but Django is it's own beast. If you are experienced in another language or web programming then you will be fine jumping into Django. If this is your first language then you need to learn basic python first.
I also recommen... | 5 | 4 | 0 | I am coming from procedural PHP with fair amount of knowledge on it. I want to learn Django but I don't have initial knowledge of Python. Can I learn Django at the same time also learning Python? Thank you so much! | Is learning Django without initial knowledge of Python possible? | 0 | 0 | 0 | 7,541 |
8,841,705 | 2012-01-12T20:19:00.000 | 6 | 0 | 0 | 0 | python,django | 8,842,267 | 5 | false | 1 | 0 | Yes! It's called 'immersion.' You learn Spanish by speaking Spanish. You learn Python by writing Python. Having a concrete project ("I'm going to make webapp that does xyz in Django") in mind gives you something to work on and towards. If you have the time and the determination to stick with it, and useful resources at... | 5 | 4 | 0 | I am coming from procedural PHP with fair amount of knowledge on it. I want to learn Django but I don't have initial knowledge of Python. Can I learn Django at the same time also learning Python? Thank you so much! | Is learning Django without initial knowledge of Python possible? | 1 | 0 | 0 | 7,541 |
8,841,705 | 2012-01-12T20:19:00.000 | 11 | 0 | 0 | 0 | python,django | 8,841,721 | 5 | true | 1 | 0 | No. You'll be writing Python code. In Python. You'll have to learn Python.
A little bit of your project will be CSS, JavaScript and HTML with template tags inserted.
Most of your project will be Python. | 5 | 4 | 0 | I am coming from procedural PHP with fair amount of knowledge on it. I want to learn Django but I don't have initial knowledge of Python. Can I learn Django at the same time also learning Python? Thank you so much! | Is learning Django without initial knowledge of Python possible? | 1.2 | 0 | 0 | 7,541 |
8,843,333 | 2012-01-12T22:32:00.000 | 2 | 0 | 1 | 0 | python,enthought | 8,843,701 | 2 | false | 0 | 0 | It all depends on which python libraries you are hoping to use. My own experience on OS X is that most python modules that require compilation work, but I've had issues with them occasionally. Especially if I need to match the architecture of the system Python which is compiled as universal binary. Honestly, I just ... | 1 | 0 | 0 | Compare and contrast using Enthought and installing individual libraries. I am not clear on the benefits each option offers. | Compare and Contrast using Enthought and installing individual libraries | 0.197375 | 0 | 0 | 329 |
8,845,456 | 2012-01-13T03:15:00.000 | 2 | 0 | 1 | 0 | python,elementtree | 8,848,549 | 3 | true | 0 | 0 | You can't replace an element from the ElementTree you can only work with Element.
Even when you call ElementTree.find() it's just a shortcut for getroot().find().
So you really need to:
extract the parent element
use comprehension (or whatever you like) on that parent element
The extraction of the parent element can ... | 1 | 6 | 0 | I want to replace child elements from one tree to another , based on some criteria. I can do this using Comprehension ? But how do we replace element in ElementTree? | How can i do replace a child element(s) in ElementTree | 1.2 | 0 | 1 | 6,654 |
8,847,266 | 2012-01-13T07:31:00.000 | 5 | 0 | 0 | 1 | java,python,google-app-engine,go,hybrid | 8,847,345 | 1 | true | 1 | 0 | You can deploy several "versions" of the same application at once. Each version will be accessible using a fully qualified URL, and they can all be in different languages. | 1 | 1 | 0 | Can one write a hybrid Go-Python/Java application and run it on Google App Engine as one application, or do they need to be split into two apps and communicate with each other through HTTP calls? Is there any tutorial or example on something like this being done? | Google App Engine Go-Python/Java hybrid application | 1.2 | 0 | 0 | 469 |
8,848,285 | 2012-01-13T09:21:00.000 | 4 | 0 | 0 | 0 | java,python,desktop-application | 8,848,472 | 2 | false | 1 | 0 | It is entirely possible to build a SWING GUI application with Python. Look for Jython, which is Python for the JVM. Any pure Python (no compiled C code) libraries for Python will work with Jython including most of the Python standard libraries.
Also, because Jython is a JVM language, it has access to objects provided b... | 1 | 15 | 0 | My company is revamping the IT infrastructure and systems, so we are at the middle of finalizing the technology for developing the new system.
We have come to two candidates; Java & Python.
The main criteria of the choice is the language must be complete; in a sense that it must be able to use for web & desktop applica... | Python in Desktop Application Development | 0.379949 | 0 | 0 | 14,031 |
8,850,273 | 2012-01-13T12:02:00.000 | 8 | 0 | 0 | 0 | python,django,django-admin | 9,381,961 | 2 | true | 1 | 0 | If you want to open a popup, simply create a link to your 'add' view with the following attribute on that link onclick='return showAddAnotherPopup(this);' | 1 | 2 | 0 | Is there any ready apps for django admin, that allows to edit model in popup?
I want next functionallity:
View edit form for model in popup.
On model save - update row in list of models.
Motivation: reduce page reloads.
Also, if there any solutions oriented on massive manual data updates for django? I've taken a l... | Django. Edit model form in popup in admin | 1.2 | 0 | 0 | 8,165 |
8,853,553 | 2012-01-13T16:10:00.000 | 1 | 0 | 0 | 0 | python,pdf,svg,reportlab | 11,892,537 | 5 | false | 0 | 0 | rst2pdf uses reportlab for generating PDFs. It can use inkscape and pdfrw for reading PDFs.
pdfrw itself has some examples that show reading PDFs and using reportlab to output.
Addressing the comment by Martin below (I can edit this answer, but do not have the reputation to comment on a comment on it...):
reportlab kn... | 2 | 12 | 0 | I'm creating some SVGs in batches and need to convert those to a PDF document for printing. I've been trying to use svglib and its svg2rlg method but I've just discovered that it's absolutely appalling at preserving the vector graphics in my document. It can barely position text correctly.
My dynamically-generated SVG ... | Convert SVG to PDF (svglib + reportlab not good enough) | 0.039979 | 0 | 1 | 8,568 |
8,853,553 | 2012-01-13T16:10:00.000 | -1 | 0 | 0 | 0 | python,pdf,svg,reportlab | 63,741,596 | 5 | false | 0 | 0 | When using svglib or cairosvg, the text in the svg cannot be rendered properly.
My solution is import the svg file to draw.io and then export it as a pdf. | 2 | 12 | 0 | I'm creating some SVGs in batches and need to convert those to a PDF document for printing. I've been trying to use svglib and its svg2rlg method but I've just discovered that it's absolutely appalling at preserving the vector graphics in my document. It can barely position text correctly.
My dynamically-generated SVG ... | Convert SVG to PDF (svglib + reportlab not good enough) | -0.039979 | 0 | 1 | 8,568 |
8,853,685 | 2012-01-13T16:18:00.000 | 0 | 0 | 0 | 0 | python,selenium,webdriver | 8,864,912 | 2 | false | 0 | 0 | Can't you just grep the output log of the Selenium hub with the sessionID, you'll then see which node executed the test. | 1 | 3 | 0 | I have a several webdriver nodes connecting to a single hub with nearly identical configuration. I have a simple test that loads a URL and takes a screen shot. Sometimes a test will fail on one run and pass on the next. The only difference should be which node executes the test. The problem is I don't know which ran th... | How to get diagnostic information from a Selenium hub when a node is failing? | 0 | 0 | 1 | 1,809 |
8,858,306 | 2012-01-13T22:47:00.000 | 0 | 1 | 0 | 0 | python,hp-quality-center | 13,123,269 | 1 | false | 0 | 0 | Can you post the default script here ? Iam not sure why you cant edit it ? You can edit the script as you want.
There are 2 ways you can run the QC script one using VAPI-XP-TEST as you are doing , in that case you can use tdhelper object for updating the results.
Second is OTA-API which you can use python script exte... | 1 | 0 | 0 | I have a simple need with Quality Center 10
If you noticed in Quality Center Client on IE 8 -> Test Plan. If you create a new Testcase with Test Type = 'VAPI-XP-TEST', it will ask you for Script Language and Script Name. I have selected Script Language to be Python. Once you have gone through this process of creating a... | Quality Center VAPI-XP-TEST - Modify Default Python Script | 0 | 0 | 0 | 2,376 |
8,858,525 | 2012-01-13T23:14:00.000 | 4 | 0 | 1 | 0 | python | 8,878,268 | 5 | false | 0 | 0 | Instead of monkey patching, you can create a proxy class:
Make a proxy class that inherit from dict/list/set whatever
Intercept attribute setting, and if the value is a dict/list/set, wrap it into the proxy class
In proxy class __getattribute__, make sure the method is called on the wrapped type, but take care of trac... | 1 | 18 | 0 | I have a class where the instances of this class needs to track the changes to its attributes.
Example: obj.att = 2 would be something that's easily trackable by simply overriding the __setattr__ of obj.
However, there is a problem when the attribute I want to change is an object itself, like a list or a dict.
How woul... | Track changes to lists and dictionaries in python? | 0.158649 | 0 | 0 | 5,144 |
8,858,946 | 2012-01-14T00:11:00.000 | 0 | 0 | 0 | 0 | python | 8,858,983 | 4 | false | 0 | 0 | str.split() without any arguments will split by any length of whitespace. operator.itemgetter() takes multiple arguments, and will return a tuple. | 1 | 5 | 1 | I have a text file containing tabular data. What I need to do is automate the task of writing to a new text file that is comma delimited instead of space delimited, extract a few columns from existing data, reorder the columns.
This is a snippet of the first 4 lines of the original data:
Number of rows: 8542
Algor... | converting a space delimited file to a CSV | 0 | 0 | 0 | 18,146 |
8,859,532 | 2012-01-14T01:57:00.000 | 4 | 1 | 0 | 0 | python,mongodb,heroku,mlab | 8,859,701 | 5 | false | 1 | 0 | Get the connection string settings by running heroku config on the command line after installed the add-on to your heroku app.
There will be an entry with the key MONGOLAB_URI in this form:
MONGOLAB_URI => mongodb://user:pass@xxx.mongolab.com:27707/db
Simply the info from the uri in python by creating a connection from... | 1 | 3 | 0 | The documentation only talks about how to do it from ruby. | How can I use the mongolab add-on to Heroku from python? | 0.158649 | 0 | 0 | 6,640 |
8,859,774 | 2012-01-14T02:53:00.000 | 1 | 0 | 1 | 0 | python,reference | 8,859,821 | 3 | false | 0 | 0 | I'm not aware of any python tool that will deepcopy only basic types and keep other elements as references.
I think you should be able to write a small recursive function for that (under 20 lines). | 1 | 4 | 0 | Is it posible to only deep copy a certain types of object, such as a list, a dict, or a tuple
Example: [[1, <SomeObj>], <OtherObj>]
I want to deep copy the first list (and of course.. the 1), but not SomeObj or OtherObj. Those should stay as refereces.
Is that possible to do that with some function that i'm not familia... | Python deepcopy.. kind of | 0.066568 | 0 | 0 | 268 |
8,860,192 | 2012-01-14T04:40:00.000 | 0 | 0 | 0 | 0 | python,qt,model,pyqt | 9,890,722 | 2 | false | 0 | 1 | I've used QTreeView to view a simple table with many columns - it works well - you can adjust the column count by sending it the columnCountChanged signal. So I'm not sure you need to do what you are asking.
But I've used ItemDelegates too: use my_treeview.setItemDelegate() to point the treeview to your item delegate.... | 1 | 2 | 0 | A simple question, (hopefully with a simple answer).
QTreeView will pass Qt.DisplayRole to the model's data function when fetching rows for display, by default.
But say I wanted to pass 'MyAwesomeTreeDisplayRole' instead of Qt.DisplayRole, what would I need to do?
I can't seem to find anything about where the view deci... | Using custom role in QTreeView instead of DisplayRole | 0 | 0 | 0 | 1,128 |
8,860,214 | 2012-01-14T04:46:00.000 | 3 | 0 | 0 | 1 | python,hadoop,mapreduce,hadoop-streaming | 8,860,677 | 2 | true | 0 | 0 | b) I dont want to store intermediate files
c) I dont want to install packages like Cascading, Yelp, Oozie.
Any reason why? Based on the response, a better solution could be provided.
Intermediates files cannot be avoided, because the o/p of the previous Hadoop job cannot be streamed as i/p to the next job. Create a s... | 1 | 3 | 0 | I am using Python and have to work on following scenario using Hadoop Streaming:
a) Map1->Reduce1->Map2->Reduce2
b) I dont want to store intermediate files
c) I dont want to install packages like Cascading, Yelp, Oozie. I have kept them as last option.
I already went through the same kind of discussion on SO and elsewh... | Can we cascade multiple MapReduce jobs in Hadoop Streaming (lang: Python) | 1.2 | 0 | 0 | 1,886 |
8,861,406 | 2012-01-14T09:45:00.000 | 0 | 0 | 1 | 0 | python,windows,virtualenv | 8,863,614 | 1 | true | 0 | 0 | Yes, it is possible.
You just need to call the activation script prior starting your program (installed as Scripts/activate.bat under Windows). | 1 | 2 | 0 | Is it possible to make 3rd party external executable to use instance of python created by virtualenv? Thing is application i am using wants to use modified and old version of pyside, and i need to use new version for my own needs. Virtualenv should solve the problem if only i could make this 3rd party application use i... | external app using python instance created by virtualenv? (windows) | 1.2 | 0 | 0 | 134 |
8,862,731 | 2012-01-14T14:13:00.000 | 2 | 0 | 0 | 0 | python,jinja2 | 16,856,530 | 7 | false | 1 | 0 | I thought of an interesting way to do this:
Set up a dictionary
Wrap a DictLoader around it (but keep a reference to the dictionary around)
Pass a ChainLoader with the DictLoader and your normal Loader to the environment
Implement a custom filter that adds its parameters to the aforementioned dictionary
Use the includ... | 1 | 9 | 0 | Say I have actual jinja template code in a variable X. Let us say the content of X is "{{ some_other_variable }}".
How can I display X while also rendering its content?
e.g., this does not work:
{{ X }}
As it simply renders this to screen "{{ some_other_variable }}" rather than the contents of some_other_variable.
The ... | Jinja nested rendering on variable content | 0.057081 | 0 | 0 | 9,958 |
8,864,599 | 2012-01-14T19:03:00.000 | 0 | 0 | 0 | 0 | python,netcdf | 9,473,690 | 7 | false | 0 | 0 | IDV is a good visualization tool for NetCDF, but, as far as I know, there is no command line interface.
I would recommend Matlab. It has read and write functions for NetCDF as well as an extensive plotting library...probably one of the best. You can then compile the matlab code and run it from the command line. | 1 | 6 | 1 | I have a netcdf file that I would like to convert to an image (joed, png, gif) using a command line tool.
Is someone could please help me with the library name and possibly a link to how it is done.
Regards
David | Convert netcdf to image | 0 | 0 | 0 | 8,951 |
8,866,046 | 2012-01-14T22:52:00.000 | 3 | 0 | 1 | 0 | python,math,rounding | 8,866,058 | 10 | false | 0 | 0 | If your int is x: x + 100 - x % 100
However, as pointed in comments, this will return 200 if x==100.
If this is not the expected behavior, you can use x + 100*(x%100>0) - x%100 | 1 | 99 | 0 | Seems that should have already been asked hundreds (pun are fun =) of times but i can only find function for rounding floats. How do I round up an integer, for example: 130 -> 200 ? | Python round up integer to next hundred | 0.059928 | 0 | 0 | 109,498 |
8,866,301 | 2012-01-14T23:33:00.000 | 4 | 0 | 0 | 0 | c#,python,graphics,simulator | 8,866,408 | 3 | true | 0 | 1 | If you don't have much time you should choose the language you know better.
Personally I'd go for python because I think it's a very productive language. To do the rendering I'd rely on the module pygame. Nevertheless there are numerous possible libraries that can do what you need. I've used XNA a while ago and it was... | 1 | 0 | 0 | As the title suggests it, I`m looking for the best solution for creating a 2D or a 3D graphic simulator. I need to build a program that simulates the behavior of some custom solar panels (how the rays fall on the surface of the panels, what happens if the panels are rotated etc). The main problem is that it has to be d... | C# vs. Python - Best choice for a 2D/3D graphic simulator | 1.2 | 0 | 0 | 1,475 |
8,869,918 | 2012-01-15T13:21:00.000 | 1 | 0 | 0 | 0 | python,django,django-forms | 8,869,942 | 1 | true | 1 | 0 | You will need to provide your own clean method to deal with the non-validating fields, and prevent cleaned_data being clobbered.
You will need to also provide your own save method which knows to only save the right fields. | 1 | 2 | 0 | What is the recommended way of handling a "save"-style form submission (created from a ModelForm) when:
A non-empty subset of the form's fields validate
A non-empty subset of the form's fields do not validate
I want to save the subset of fields that are valid to the instance in question, and not the invalid ones.
I'm... | Django - saving fields in invalid form submissions | 1.2 | 0 | 0 | 739 |
8,870,261 | 2012-01-15T14:10:00.000 | -1 | 0 | 1 | 0 | python,algorithm,text,split | 8,870,341 | 16 | false | 0 | 0 | It seems like fairly mundane backtracking will do. Start at the beggining of the string. Scan right until you have a word. Then, call the function on the rest of the string. Function returns "false" if it scans all the way to the right without recognizing a word. Otherwise, returns the word it found and the list of wor... | 1 | 135 | 0 | Input: "tableapplechairtablecupboard..." many words
What would be an efficient algorithm to split such text to the list of words and get:
Output: ["table", "apple", "chair", "table", ["cupboard", ["cup", "board"]], ...]
First thing that cames to mind is to go through all possible words (starting with first letter) ... | How to split text without spaces into list of words | -0.012499 | 0 | 0 | 94,208 |
8,873,219 | 2012-01-15T20:43:00.000 | 3 | 0 | 0 | 0 | python,image,pygame | 8,873,270 | 4 | false | 0 | 1 | After using blit or any other update on your drawing surface, you have to call pygame.display.flip() to actually update what is displayed. | 1 | 16 | 0 | I would like to know how to draw images using pygame. I know how to load them.
I have made a blank window.
When I use screen.blit(blank, (10,10)), it does not draw the image and instead leaves the screen blank. | What is a good way to draw images using pygame? | 0.148885 | 0 | 0 | 36,330 |
8,874,032 | 2012-01-15T22:47:00.000 | 0 | 0 | 0 | 0 | python | 8,874,160 | 3 | false | 0 | 0 | Yes, Python would be suitable for this.
(Next time, just try it--it's trivial.) | 3 | 0 | 0 | I want to create a ping service, that would make a http/https/ping/tcp connection to a website to see if the service is up or not.
Would python be suitable for this, seeing as I want to build it to be able to ping 1K endpoints per minute. | Writing a ping service to ping 1K websites per minute | 0 | 0 | 1 | 284 |
8,874,032 | 2012-01-15T22:47:00.000 | 0 | 0 | 0 | 0 | python | 8,874,210 | 3 | false | 0 | 0 | Practically all, if not all, modern programming languages are capable of that speed of execution easily. The network itself would be the bottleneck, and depending on how many actual pings you want to do of each service, they could get backed up.
If I was doing this, I would use Python with a Java frontend if necessary.... | 3 | 0 | 0 | I want to create a ping service, that would make a http/https/ping/tcp connection to a website to see if the service is up or not.
Would python be suitable for this, seeing as I want to build it to be able to ping 1K endpoints per minute. | Writing a ping service to ping 1K websites per minute | 0 | 0 | 1 | 284 |
8,874,032 | 2012-01-15T22:47:00.000 | 2 | 0 | 0 | 0 | python | 8,874,364 | 3 | false | 0 | 0 | Would python be suitable for this, seeing as I want to build it to be able to ping 1K endpoints per minute.
Python has all you need, but there are two bottlenecks, first is OS and the other is network. While planning for such a program, I would do some research on the limit of the IP stack of your target OS and the re... | 3 | 0 | 0 | I want to create a ping service, that would make a http/https/ping/tcp connection to a website to see if the service is up or not.
Would python be suitable for this, seeing as I want to build it to be able to ping 1K endpoints per minute. | Writing a ping service to ping 1K websites per minute | 0.132549 | 0 | 1 | 284 |
8,874,580 | 2012-01-16T00:18:00.000 | 1 | 0 | 0 | 0 | python,google-app-engine | 8,875,514 | 1 | true | 1 | 0 | You could override __del__, but this is dangerous (can introduce GC loops and uncollectable objects), and doesn't gain you anything.
You don't gain anything because the App Engine runtime does not return the response to the user until the WSGI application has returned, which does not happen until all user code has fini... | 1 | 1 | 0 | webapp.RequestHandler based Handlers can override initialize () to carry out setup. Is there a similar finalize() ? Could I override del() to achieve this ?
Basically, I am looking to making some journal entries after the post/get functions have completed such that this is not in the critical path of the Response back ... | Is there RequestHandler an equivalent of finalize() call for python? | 1.2 | 0 | 0 | 88 |
8,875,043 | 2012-01-16T01:52:00.000 | 2 | 0 | 1 | 0 | python,oop,inheritance,design-patterns,class-factory | 8,878,104 | 5 | false | 0 | 0 | Third scenario:
You may want to consider a third scenario:
Put the code inside the method Rules.__call__.
Instantiating Result like: result = rules(data)
Pros:
Results can be totally unaware of the Rules that generates them (and maybe even of the original Data).
Every Rules sub-class can customize its Result creatio... | 4 | 9 | 0 | (Using Python 3.2, though I doubt it matters.)
I have class Data, class Rules, and class Result. I use lowercase to denote an instance of the class.
A rules object contains rules that, if applied to a data object, can create a result object.
I'm deciding where to put the (rather complicated and evolving) code that actu... | pros and cons of using factory vs regular constructor | 0.07983 | 0 | 0 | 1,830 |
8,875,043 | 2012-01-16T01:52:00.000 | 1 | 0 | 1 | 0 | python,oop,inheritance,design-patterns,class-factory | 8,877,036 | 5 | false | 0 | 0 | Can you make ResultFactory a pure function? It's not useful to create a singleton object if all you need is a function. | 4 | 9 | 0 | (Using Python 3.2, though I doubt it matters.)
I have class Data, class Rules, and class Result. I use lowercase to denote an instance of the class.
A rules object contains rules that, if applied to a data object, can create a result object.
I'm deciding where to put the (rather complicated and evolving) code that actu... | pros and cons of using factory vs regular constructor | 0.039979 | 0 | 0 | 1,830 |
8,875,043 | 2012-01-16T01:52:00.000 | 1 | 0 | 1 | 0 | python,oop,inheritance,design-patterns,class-factory | 8,875,109 | 5 | false | 0 | 0 | Why not put the rules in their own classes? If you create a RuleBase class, then each rule can derive from it. This way, polymorphism can be used when Data needs rules applied. Data doesn't need to know or care which Rule instances were applied (unless Data itself is the one who knows which rules should be applied).
Wh... | 4 | 9 | 0 | (Using Python 3.2, though I doubt it matters.)
I have class Data, class Rules, and class Result. I use lowercase to denote an instance of the class.
A rules object contains rules that, if applied to a data object, can create a result object.
I'm deciding where to put the (rather complicated and evolving) code that actu... | pros and cons of using factory vs regular constructor | 0.039979 | 0 | 0 | 1,830 |
8,875,043 | 2012-01-16T01:52:00.000 | 0 | 0 | 1 | 0 | python,oop,inheritance,design-patterns,class-factory | 8,875,075 | 5 | false | 0 | 0 | Well, the second is downright silly, especially with all the singletonness. If Result requires Rules to create an instance, and you can't create one without it, it should take that as an argument to __init__. No pattern shopping necessary. | 4 | 9 | 0 | (Using Python 3.2, though I doubt it matters.)
I have class Data, class Rules, and class Result. I use lowercase to denote an instance of the class.
A rules object contains rules that, if applied to a data object, can create a result object.
I'm deciding where to put the (rather complicated and evolving) code that actu... | pros and cons of using factory vs regular constructor | 0 | 0 | 0 | 1,830 |
8,875,081 | 2012-01-16T02:03:00.000 | 1 | 0 | 0 | 0 | python,timeout | 8,875,106 | 1 | true | 0 | 0 | I would advise asking the hosting service about it. Generally there will be a way to run scripts on the server. | 1 | 0 | 0 | I have a website hosted by 1and1. On the server there is a folder with about 5,300 pictures. I have a python script that does some image processing. I want to run the python script on all of the pictures in the folder.
The only way I know to make the server run the script is to put the file on my site and then go to ww... | Prevent Server side Python Timeout? | 1.2 | 0 | 1 | 288 |
8,876,388 | 2012-01-16T06:17:00.000 | 0 | 0 | 1 | 0 | python,module,wrapper | 8,890,963 | 2 | false | 0 | 0 | Renamed delaunay.dll to delaunay.pyd and got this error:
ImportError: DLL load failed: The specified module could not be found.
This sounds like delaunay.pyd depends on some other dll that is not found. | 2 | 0 | 0 | I have an algorithm written in C++ that I want to use in ArcGIS. Arc supports python scripting, so I figured I'd write a python wrapper. I built python on my development PC and then built a module (called "delaunay", to calculate Delaunay triangulations) to wrap the algorithm. On that PC I was using cygwin with mingw g... | ImportError when moving custom python module between PCs | 0 | 0 | 0 | 350 |
8,876,388 | 2012-01-16T06:17:00.000 | 0 | 0 | 1 | 0 | python,module,wrapper | 8,888,245 | 2 | false | 0 | 0 | Run python -vvv and you'll see import debug info.
You are probably mixing 32-bit and 64-bit binaries. Binaries from different Python builds are incompatible. | 2 | 0 | 0 | I have an algorithm written in C++ that I want to use in ArcGIS. Arc supports python scripting, so I figured I'd write a python wrapper. I built python on my development PC and then built a module (called "delaunay", to calculate Delaunay triangulations) to wrap the algorithm. On that PC I was using cygwin with mingw g... | ImportError when moving custom python module between PCs | 0 | 0 | 0 | 350 |
8,878,210 | 2012-01-16T09:50:00.000 | 1 | 0 | 1 | 0 | python,virtualenv,pip | 10,285,156 | 1 | true | 0 | 0 | pip install package will only be executed with you don't have this package already.
With you want to upgrade the package you'll have to use: pip install -U package | 1 | 0 | 0 | As part of a deployment procedure, I upload Python source packages (generated with setup.py sdist) to a remote server and install them in a virtualenv using pip install mypackage-1.0.tar.bz2.
This has worked for long time both for new installs and upgrades (specifically, upgrades without a change in the package's versi... | Python package won't upgrade | 1.2 | 0 | 0 | 227 |
8,879,102 | 2012-01-16T11:04:00.000 | 0 | 1 | 0 | 0 | python,git,aptana | 8,897,929 | 1 | false | 0 | 0 | i suggest you to click on:
HELP -> About Aptana
then: Installation Details (button on the bottom left)
in the new window you can remove software, or revert some installation/configuration with with the "installation history" section.
Hope this help you | 1 | 0 | 0 | I've been happily using Aptana for a PHP project. As of yesterday evening, it's been crashing repeatedly and causing no end of grief!
I can pinpoint two events which may have caused this:
Yesterday evening I seem to have hit a combination of keyboard keys which has resulted in 'Python not configured' appearing at the ... | Aptana has started crashing - possibly due to Python or Git | 0 | 0 | 0 | 308 |
8,880,138 | 2012-01-16T12:37:00.000 | 5 | 0 | 0 | 0 | python,django,rss,escaping | 8,880,484 | 1 | true | 1 | 0 | € is a perfectly valid utf-8 character. You are almost certainly creating utf-8 output, therefore it doesn't need escaping. | 1 | 2 | 0 | I've made a rss-feed in django and i wish to turn € into €. I already use |escape to escape link tags and such. But somehow |escape doesn't work on €.
Does anybody now a way to also escape € ? | Django RSS-feed escaping € | 1.2 | 0 | 0 | 196 |
8,880,652 | 2012-01-16T13:26:00.000 | 56 | 0 | 0 | 0 | python,django,pycharm | 8,880,818 | 1 | true | 1 | 0 | File » Settings » Template language, do you have Template language setting set to django? | 1 | 32 | 0 | I've just installed PyCharm, and have opened an existing project with multiple apps.
When I open django templates, they are highlighted as if plain HTML, i.e. {% block %} elements and {{variable}} references are not treated specially.
Is there any way I can force it to use the django template syntax highlighter for t... | PyCharm: Forcing Django Template Syntax Highligting | 1.2 | 0 | 0 | 8,350 |
8,885,544 | 2012-01-16T19:55:00.000 | 2 | 0 | 0 | 0 | python,webdriver | 8,886,515 | 1 | false | 0 | 0 | driver.get(url) already waits for the page to load.
You could use selenium.webdriver.support.ui.WebDriverWait() to explicitly wait for a condition.
ChromeDriver 18.0.995.0 doesn't support taking a page screenshot on Linux. | 1 | 4 | 0 | I am using a Chrome Driver, writing in Python, accessing pages that each require a login. After login I would like the program to wait for the entire page to load before taking a screenshot of the page. Can you help with this wait procedure? | Python WebDriver wait for page to load | 0.379949 | 0 | 1 | 1,946 |
8,888,567 | 2012-01-17T01:19:00.000 | 51 | 0 | 1 | 0 | python,regex | 8,888,615 | 4 | true | 0 | 0 | You can use the built in functions any (or all if all regexes have to match) and a Generator expression to cycle through all the regex objects.
any (regex.match(line) for regex in [regex1, regex2, regex3])
(or any(re.match(regex_str, line) for regex in [regex_str1, regex_str2, regex_str2]) if the regexes are not pre-co... | 2 | 28 | 0 | Is there a way to see if a line contains words that matches a set of regex pattern?
If I have [regex1, regex2, regex3], and I want to see if a line matches any of those, how would I do this?
Right now, I am using re.findall(regex1, line), but it only matches 1 regex at a time. | Match a line with multiple regex using Python | 1.2 | 0 | 0 | 55,780 |
8,888,567 | 2012-01-17T01:19:00.000 | 7 | 0 | 1 | 0 | python,regex | 8,888,619 | 4 | false | 0 | 0 | Try this new regex: (regex1)|(regex2)|(regex3). This will match a line with any of the 3 regexs in it. | 2 | 28 | 0 | Is there a way to see if a line contains words that matches a set of regex pattern?
If I have [regex1, regex2, regex3], and I want to see if a line matches any of those, how would I do this?
Right now, I am using re.findall(regex1, line), but it only matches 1 regex at a time. | Match a line with multiple regex using Python | 1 | 0 | 0 | 55,780 |
8,890,199 | 2012-01-17T05:40:00.000 | 0 | 1 | 0 | 0 | python,doxygen,shebang | 8,892,855 | 2 | false | 0 | 0 | that sounds to me like a scripting problem and not like a conflict between Shebang and doxygen | 2 | 0 | 0 | Does doxygen doesn't work properly on python script with a shebang?
I tried one python script with shebang to my company's tool directory and ran doxygen.
It was not able to display namespace (functions) at all.
Please share if you guys faced similar experience. | Shebang conflict with doxygen | 0 | 0 | 0 | 221 |
8,890,199 | 2012-01-17T05:40:00.000 | 1 | 1 | 0 | 0 | python,doxygen,shebang | 9,170,986 | 2 | true | 0 | 0 | enable EXTRACT_ALL to YES in the config file, doxygen will generate proper desired results.
But the question still remains, why doxygen failed to generate documentation file for python with EXTRACT_ALL = NO.
Anyone with better answer can help me here. | 2 | 0 | 0 | Does doxygen doesn't work properly on python script with a shebang?
I tried one python script with shebang to my company's tool directory and ran doxygen.
It was not able to display namespace (functions) at all.
Please share if you guys faced similar experience. | Shebang conflict with doxygen | 1.2 | 0 | 0 | 221 |
8,891,091 | 2012-01-17T07:36:00.000 | 8 | 0 | 1 | 0 | python-imaging-library,libjpeg | 8,984,514 | 2 | true | 0 | 0 | I found the solution.
one has to use easy_install PIL instead of pip install PIP in Windows.
easy_install finds local installation or installs the libjpeg from the source and connects it to PIL while pip cannot do that. | 1 | 2 | 0 | I want to install PIL package on windows, its easy. but decoder jpeg not available.
which packages are needed to download and installed befor PIL so it gets work? | how to install PIL package with JPEG support in windows | 1.2 | 0 | 0 | 5,008 |
8,892,357 | 2012-01-17T09:39:00.000 | 2 | 0 | 0 | 1 | python,perl,windows-phone-7,powershell,smartphone | 8,893,061 | 4 | false | 0 | 0 | You can use Powershell in the service layer, adding System.Management.Automation and Microsoft.PowerShell.Commands.Utility to the service project. | 1 | 7 | 0 | In Windows Mango OS , is there any scripting environment that is supported?
Does it have support for powershell or python or perl? | Is there any scripting support on Windows Phone? | 0.099668 | 0 | 0 | 4,362 |
8,895,942 | 2012-01-17T14:05:00.000 | 0 | 0 | 0 | 0 | python,sqlobject | 8,896,107 | 2 | false | 1 | 0 | Try the pyramid, it does not impose anything you like as opposed to Django. And has a wealth of features for building Web applications at any level. | 1 | 0 | 0 | I have a regular desktop application which is written in Python/GTK and SQLObject as ORM. My goal is to create a webinterface where a user can login and sync/edit the database. My application is split up in different modules, so the database and gtk code are completly separate, so I would like to run the same database ... | Choosing Python/SQLObject webframework | 0 | 1 | 0 | 375 |
8,898,662 | 2012-01-17T17:02:00.000 | 0 | 0 | 0 | 0 | macos,tkinter,python-2.7 | 8,900,000 | 2 | false | 0 | 1 | You cannot do this with Tkinter. Tkinter can only send events to its own windows. | 1 | 1 | 0 | I have a window that is opened up in a Python script (NOT THROUGH Tkinter), and all I want is to send an "enter" (keypress) command to that window. I was hoping I could do this with Tkinter, but I'm at a bit of a loss as to how to send this command to the current focused window. | Tkinter keypress on current focused window | 0 | 0 | 0 | 260 |
8,899,336 | 2012-01-17T17:55:00.000 | 0 | 1 | 0 | 0 | python,audio,fft,amplitude | 8,903,087 | 3 | false | 0 | 0 | You're operating under a couple of misconceptions.
You can't get the frequency of a wave at a particular point in time. You need to select a window of time, including many points before and after the point of interest. The more points you include, the more resolution you'll have in your frequency breakdown. You'll need... | 1 | 1 | 0 | I would like to access the array with something like array[5000][440] meaning 5000ms from the start and 440hz and it would give me a value of the frequency's amplitude at this very position.
I could not find something like that here, if there is, please point me to it. | How do I make python load a big(2hours) wave-file and convert it's contents into a time-frequency array? | 0 | 0 | 0 | 521 |
8,904,318 | 2012-01-18T02:12:00.000 | 3 | 0 | 0 | 0 | java,python,jython,hdf5,pytables | 8,904,389 | 2 | false | 1 | 0 | For me is not cool writing scripts from Java using java.io.*.
Same here -- you have already parsed the data from the XML into some internal representation in Java, and then you re-write this data into a Python script, and then the Python interpreter will re-parse the data into an internal representation for writing to... | 1 | 2 | 0 | I'm a newbie in Python, PyTables and HDF5. I'm looking for simple and best solution for my problem.
Problem is next. On one side I have many XML files with data. I just wanna parse these files and put data in hdf5 file on other side. Later, I will use this data trough some search criteria.Why HDF5? Because need to put... | Simple and effective solution for combining Java, Python, PyTables and HDF5 | 0.291313 | 0 | 0 | 1,638 |
8,905,128 | 2012-01-18T04:19:00.000 | 1 | 0 | 0 | 0 | python,gtk,widget,gnome | 8,906,510 | 3 | false | 0 | 1 | I have used the 3 following toolkits.
wxPython is a popular choice. It supports Windows, Mac and Linux but may be tricky to install on some of these platforms (that's what i've recently noticed on 64 bits MAC and Ubuntu). It has a lot of nice widgets which can be seen with the demo app that can be downloaded separatel... | 1 | 0 | 0 | What is the best framework to use for building the GUI on a python widget?
I'm currently using gnome 3, but would prefer it to be independent of the desktop environment. | Python Widget/GUI framework | 0.066568 | 0 | 0 | 1,565 |
8,905,620 | 2012-01-18T05:29:00.000 | 1 | 0 | 1 | 0 | python,list,dictionary | 8,905,693 | 4 | false | 0 | 0 | To touch on a few things:
Adding a dict to a list.
mylist = []
mylist.append({'key1': 'val1'})
Adding a list to a set.
myset = set()
myset.add({'key1': 'val1'}) # Error - dicts are mutable, therefore not hashable.
Keeping track of distinct dictionaries.
mydicts = set([id(d) for d in mylist])
Retrieving elements.
# Wit... | 1 | 1 | 0 | Just getting started with python, trying to nest a dict inside other data structures, lists, sets, etc. When I nest the dict (like, if I create a list of dicts), I cant seem to reference the keys or values inside the individual dicts anymore. Is this a design feature or am I totally boning it? | Beginner Python Problems | 0.049958 | 0 | 0 | 476 |
8,906,265 | 2012-01-18T06:48:00.000 | 1 | 0 | 1 | 0 | python,design-patterns | 8,908,454 | 2 | true | 0 | 0 | I have used the "global collection" alternative in the past.
If you are concerned with naming: how would you handle this in your config file? The way I see it, your global collection is a datastructure representing the same information you have in your config file, so if you have a way of resolving or avoiding name cl... | 1 | 0 | 0 | I have objects from various classes that work together to perform a certain task. The task requires a lot of parameters, provided by the user (through a configuration file). The parameters are used deep inside the system.
I have a choice of having the controller object read the configuration file, and then allocate the... | how to make a lot of parameters available to the entire system? | 1.2 | 0 | 0 | 83 |
8,906,766 | 2012-01-18T07:44:00.000 | 5 | 0 | 0 | 0 | javascript,jquery,python,web.py | 8,906,825 | 2 | true | 1 | 0 | Don't use Ajax to do this. If posting data to the server should result in a new page being displayed, just use the traditional model. You gain nothing by using Ajax in this case. | 2 | 0 | 0 | I have a problem with web.py. Basically the user clicks a button, which makes a POST request to the server. The POST request returns "render.edit()", which is short hand for rendering the "edit" template. However, since I'm making the POST request via jQuery, the HTML of the page is simply in the callback function and ... | Rendering a page after jQuery POST | 1.2 | 0 | 0 | 376 |
8,906,766 | 2012-01-18T07:44:00.000 | 0 | 0 | 0 | 0 | javascript,jquery,python,web.py | 8,924,998 | 2 | false | 1 | 0 | you can also try raise web.seeother('URL') inside the POST of python script, but in this case it will also run all GET instructions of the class. | 2 | 0 | 0 | I have a problem with web.py. Basically the user clicks a button, which makes a POST request to the server. The POST request returns "render.edit()", which is short hand for rendering the "edit" template. However, since I'm making the POST request via jQuery, the HTML of the page is simply in the callback function and ... | Rendering a page after jQuery POST | 0 | 0 | 0 | 376 |
8,909,342 | 2012-01-18T11:29:00.000 | 0 | 0 | 0 | 0 | python,xlrd | 43,124,531 | 4 | false | 0 | 0 | The correct answer to this is to simply use the Cell.value function. This will return a number or a Unicode string depending on what the cell contains. | 1 | 9 | 0 | Well i have a question that i feel i've been answered several times, from what i found here. However, as a newbie, i can't really understand how to perform a really basic operation.
Here's the thing :
i have an .xls and when i use xlrd to get a value i'm just using
sh.cell(0,0) (assuming that sh is my sheet);
if what... | Python xlrd : how to convert an extracted value? | 0 | 1 | 0 | 27,320 |
8,910,770 | 2012-01-18T13:17:00.000 | 0 | 1 | 0 | 1 | python,apache2,cgi | 8,911,061 | 2 | false | 0 | 0 | please make sure:
the file you are calling itself has enough permission
the file you are calling has an extension that is is in the .htaccess file (see newtover's answer)
specify how you want to run the script in the first line of the file. If you are calling foo.pl, make sure #!/usr/bin/perl is in the first line. | 1 | 1 | 0 | I have a standard Apache2 installation on an Ubuntu server. The default settings use ScriptAlias to refer /cgi-bin/ to /usr/lib/cgi-bin/. If I place my Python CGI script in /usr/lib/cgi-bin/ it executes.
I created /var/www/cgi-bin/ with appropriate permissions, removed the ScriptAlias line, changed the Directory entry ... | Execute Python CGI from /cgi-bin/ folder | 0 | 0 | 0 | 3,691 |
8,912,327 | 2012-01-18T15:03:00.000 | 1 | 0 | 1 | 0 | python,user-interface | 8,913,722 | 10 | false | 0 | 1 | If you're more into gaming you can use PyGame for GUIs. | 2 | 23 | 0 | I was wondering if any of you know where I could find a simple tutorial on the web maybe to make a very simplistic gui. I have no idea how to start out in code to make one so I need your help. What I want the gui to be used for is I have written a program that I want to be to use it on other computers that already don'... | How to make a gui in python | 0.019997 | 0 | 0 | 104,449 |
8,912,327 | 2012-01-18T15:03:00.000 | 0 | 0 | 1 | 0 | python,user-interface | 8,912,460 | 10 | false | 0 | 1 | While some suggestions have included tkinter and wxPython, the other part of the answer to your question is that you will also need to package it using something like py2app, pyinstaller, or py2exe (depending on the operating system). You mentioned the other machines do not have python, so this would be required in ord... | 2 | 23 | 0 | I was wondering if any of you know where I could find a simple tutorial on the web maybe to make a very simplistic gui. I have no idea how to start out in code to make one so I need your help. What I want the gui to be used for is I have written a program that I want to be to use it on other computers that already don'... | How to make a gui in python | 0 | 0 | 0 | 104,449 |
8,914,644 | 2012-01-18T17:36:00.000 | 1 | 0 | 0 | 0 | python,zope,zodb | 8,916,946 | 1 | false | 0 | 0 | This is likely not a good setup. Your best bet is to work-around NFS in spite of it: maybe a loopback ext3 filesystem mounted on a regular file on the NFS volume -- NFSv3 should have few practical limits to filesize that you won't have natively. Only you will be able to measure if this performs well enough. Otherwis... | 1 | 0 | 0 | We recently moved a Zeo instance over to a new server environment and one of the changes was the file system now has the database files stored on an NFS share.
When trying to start zeo, we've been getting lock file errors which after researching seems to be because of a known issue of lock files being created on an NFS... | Zeo/ZODB lock file location, possible to change? | 0.197375 | 1 | 0 | 260 |
8,915,042 | 2012-01-18T18:04:00.000 | 2 | 0 | 0 | 1 | python,json,google-app-engine,url,blob | 8,915,133 | 2 | false | 1 | 0 | This wouldn't on the development server (but will work on the production server) because its single threaded and you can't do a request to yourself from within a request.
There are several workarounds for your issue:
Use the file write API to store the data.
Use the multithread dev_server (required to switch to pyth... | 1 | 1 | 0 | I am using Blobs to store json files for my application. What I am trying to achieve is to request an internal url of my application in order to get the relevant file. I have tried urllib, urllib2, urlfetch but every time I am getting a 5 second DeadlineExceededError: 5 timed out error. Is there a way to retrieve my bl... | How I can request a local url in my app engine application? | 0.197375 | 0 | 0 | 165 |
8,917,800 | 2012-01-18T21:34:00.000 | 1 | 1 | 0 | 0 | python,m2crypto | 8,945,972 | 1 | true | 0 | 0 | First, the problem was that python attempted to load the non-debug version of __m2crypto.pyd, which failed, because it lacked dependent components. This caused python to terminate - not because the module was not found, but because one if its children was not found. This is a critical error for python, and whether this... | 1 | 1 | 0 | I've built python 2.7 debug with MSVC 2008 to debug a script that imports M2Crypto. When I run my script, python_d correctly creates a Python_Eggs cache, and copies both the __m2crypto.pyd and __m2crypto_d.pyd into it. But then it attempts to load the non-debug python module from the cache, and terminates because it co... | python_d 2.7 will not load __m2crypto_d.pyd | 1.2 | 0 | 0 | 394 |
8,917,885 | 2012-01-18T21:43:00.000 | 4 | 0 | 1 | 1 | python,version,windows-server | 60,124,084 | 24 | false | 0 | 0 | Typing where python on Windows into a Command Prompt may tell you where multiple different versions of python are installed, assuming they have been added to your path.
Typing python -V into the Command Prompt should display the version. | 4 | 529 | 0 | I have to run a Python script on a Windows server. How can I know which version of Python I have, and does it even really matter?
I was thinking of updating to the latest version of Python. | Which version of Python do I have installed? | 0.033321 | 0 | 0 | 1,459,615 |
8,917,885 | 2012-01-18T21:43:00.000 | 3 | 0 | 1 | 1 | python,version,windows-server | 45,665,525 | 24 | false | 0 | 0 | If you have Python installed then the easiest way you can check the version number is by typing "python" in your command prompt. It will show you the version number and if it is running on 32 bit or 64 bit and some other information. For some applications you would want to have a latest version and sometimes not. It de... | 4 | 529 | 0 | I have to run a Python script on a Windows server. How can I know which version of Python I have, and does it even really matter?
I was thinking of updating to the latest version of Python. | Which version of Python do I have installed? | 0.024995 | 0 | 0 | 1,459,615 |
8,917,885 | 2012-01-18T21:43:00.000 | -2 | 0 | 1 | 1 | python,version,windows-server | 44,818,859 | 24 | false | 0 | 0 | Open a command prompt window (press Windows + R, type in cmd, and hit Enter).
Type python.exe | 4 | 529 | 0 | I have to run a Python script on a Windows server. How can I know which version of Python I have, and does it even really matter?
I was thinking of updating to the latest version of Python. | Which version of Python do I have installed? | -0.016665 | 0 | 0 | 1,459,615 |
8,917,885 | 2012-01-18T21:43:00.000 | 24 | 0 | 1 | 1 | python,version,windows-server | 8,917,940 | 24 | false | 0 | 0 | When I open Python (command line) the first thing it tells me is the version. | 4 | 529 | 0 | I have to run a Python script on a Windows server. How can I know which version of Python I have, and does it even really matter?
I was thinking of updating to the latest version of Python. | Which version of Python do I have installed? | 1 | 0 | 0 | 1,459,615 |
8,918,183 | 2012-01-18T22:06:00.000 | 5 | 1 | 0 | 0 | c++,python | 8,918,813 | 1 | true | 0 | 1 | To me it sounds like you just want to write a user interface for interactive creation of lilypond files.
I don't see what all this has to do with compilation. Your python script will need to write a file in lilypond notation and afterwards your script needs to call lilypond on that file (e.g. with os.system). You could... | 1 | 0 | 0 | EDIT: Solved, thanks everyone!
What I would like to be able to do in simple terms is take user input from one programming language, convert it into another programming language and have it compiled automatically.
For example (simplified and not precisely what I want to do but along similar lines):
1) Write a python sc... | Automatic compiling between languages | 1.2 | 0 | 0 | 161 |
8,918,773 | 2012-01-18T22:59:00.000 | 2 | 0 | 1 | 0 | python,memory-leaks,numpy,scipy | 8,959,115 | 2 | false | 0 | 0 | Yes, there is clearly a memory leak here. I ran the nlsp demo, that uses SNLE with interalg, using valgrind and found that 295k has been leaked from running the solver once. This should be reported to them. | 1 | 2 | 1 | Whenever I run the solver 'interalg' (in the SNLE function call from OpenOpt) in a loop my memory usage accumulates until the code stops running.
It happen both in my Mac Os X 10.6.8 and in Slackware Linux.
I would really appreciate some advice, considering that I am not extremely literate in python.
Thank you!
Daniel | 'Memory leak' when calling openopt SNLE in a loop | 0.197375 | 0 | 0 | 143 |
8,919,011 | 2012-01-18T23:22:00.000 | 0 | 0 | 0 | 0 | python,https,http-headers | 8,919,354 | 2 | false | 0 | 0 | It depends on what you are going to do with the result. httplib.HTTPSConnection has set_debuglevel method which allows printing the response data to stdout (though each line is prefixed). For debugging purposes that was exactly what I needed. Not sure, it is what you need. | 1 | 0 | 0 | How would you go about getting a completely unparsed response to a HTTPS request?
Are there any HTTP libraries that will allow you to get at the raw response, or is constructing a request manually using sockets the only way?
I'm specifically trying to see what newline characters the server is sending. | Getting a raw, unparsed response to a HTTPS GET request | 0 | 0 | 1 | 2,108 |
8,919,392 | 2012-01-19T00:08:00.000 | 0 | 0 | 1 | 0 | python,flash,actionscript-3,actionscript | 8,921,276 | 1 | false | 0 | 0 | The first nightmare would be nested symbols. Try some basics using onEnterFrame and see if you can iterate (is there a mechanism to discover all the stage members) the symbols/sprites on the stage and get their properties. | 1 | 1 | 0 | We're working on a project right now where our animator is creating animations in Flash (the tool in which he's most comfortable) which we need to export for our application. He's using separate sprites (for a person, we'd use eyes, mouth, hair, feet, etc.) and transforming them appropriately. So, if his head is rockin... | Exporting Flash/Actionscript animation to PNGs and transform data? | 0 | 0 | 0 | 222 |
8,919,468 | 2012-01-19T00:20:00.000 | 1 | 0 | 1 | 0 | python,multithreading,thread-safety,queue | 8,919,508 | 4 | false | 0 | 0 | Yes - there is no getting around that there will be some overhead. The Queue has no way to know that it will only be used in one thread! | 2 | 2 | 0 | Multi-threading usually means locking critical sections, etc. So I can't help but wonder, in a single-threaded program or a multi-threaded program but where the queue is just used in one particular thread, is there some (unnecessary) locking type of overhead?
For instance when you call put or get or qsize, etc, does i... | Does the multi-threaded support of Queue exhibit overthread even when used for just one thread? | 0.049958 | 0 | 0 | 115 |
8,919,468 | 2012-01-19T00:20:00.000 | 1 | 0 | 1 | 0 | python,multithreading,thread-safety,queue | 8,919,561 | 4 | false | 0 | 0 | Acquiring and releasing an uncontended lock is extremely cheap on most modern hardware. It's one of the first things hardware designers optimize because the vast majority of lock operations are on uncontended locks. | 2 | 2 | 0 | Multi-threading usually means locking critical sections, etc. So I can't help but wonder, in a single-threaded program or a multi-threaded program but where the queue is just used in one particular thread, is there some (unnecessary) locking type of overhead?
For instance when you call put or get or qsize, etc, does i... | Does the multi-threaded support of Queue exhibit overthread even when used for just one thread? | 0.049958 | 0 | 0 | 115 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 71,692,901 | 34 | false | 0 | 0 | if .\venv\Scripts\activate does not work neither and you find this error
\Activate.ps1 cannot be loaded because running scripts is disabled on this system
you can simple type set-executionpolicy remotesigned in powershell and the error must be gone.
powershell should run as administrator | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 4 | 0 | 1 | 1 | python,virtualenv | 62,498,657 | 34 | false | 0 | 0 | Open your powershell as admin
Enter "Set-ExecutionPolicy RemoteSigned -Force
Run "gpedit.msc" and go to >Administrative Templates>Windows Components>Windows Powershell
Look for "Activate scripts execution" and set it on "Activated"
Set execution directive to "Allow All"
Apply
Refresh your env | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0.023525 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 65,636,990 | 34 | false | 0 | 0 | If you are using windows, just run .\Scripts\activate. Mind that the backslash plays the trick! | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | -1 | 0 | 1 | 1 | python,virtualenv | 71,559,922 | 34 | false | 0 | 0 | Some people are having trouble with vscode i assume as all the above methods dont work.
Its simply because by default vscode uses powershell not cmd...
click on the little arrow beside it and select cmd and run the command. | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | -0.005882 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 1 | 0 | 1 | 1 | python,virtualenv | 71,215,993 | 34 | false | 0 | 0 | The steps for activating virtualenv using Python3 on windows are:
python3 -m venv env
.\env\bin\activate | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0.005882 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 60,413,441 | 34 | false | 0 | 0 | Open your project using VS code editor .
Change the default shell in vs code terminal to git bash.
now your project is open with bash console and right path, put
"source venv\Scripts\activate" in Windows | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 2 | 0 | 1 | 1 | python,virtualenv | 67,224,356 | 34 | false | 0 | 0 | For windows Microsoft Tech Support it might be a problem with Execution Policy Settings. To fix it, you should try executing
Set-ExecutionPolicy Unrestricted -Scope Process | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0.011764 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 71,382,806 | 34 | false | 0 | 0 | It's been a while without usign Django, so when I got back to my old project I run into the same issue on Windows 10
and this worked for me:
venv/Scripts/activate | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 71,376,740 | 34 | false | 0 | 0 | Use These it worked for meenv\Scripts\activate | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 59,298,771 | 34 | false | 0 | 0 | If you are using windows OS then in Gitbash terminal use the following command $source venv/Scripts/activate. This will help you to enter the virtual environment. | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 21 | 0 | 1 | 1 | python,virtualenv | 47,483,536 | 34 | false | 0 | 0 | For activation you can go to the venv your virtualenv directory
by cd venv.
Then on Windows, type dir (on unix, type ls).
You will get 5 folders include, Lib, Scripts, tcl and 60
Now type .\Scripts\activate to activate your virtualenv venv.
Your prompt will change to indicate that you are now operating within the vi... | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 1 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 61,607,988 | 34 | false | 0 | 0 | Navigate to your virtualenv folder eg ..\project1_env>
Then type
source scripts/activate
eg ..\project1_env>source scripts/activate | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 61,962,316 | 34 | false | 0 | 0 | If some beginner, like me, has followed multiple Python tutorials now possible has multiple Python versions and/or multiple versions of pip/virtualenv/pipenv...
In that case, answers listed, while many correct, might not help.
The first thing I would try in your place is uninstall and reinstall Python and go from the... | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 2 | 0 | 1 | 1 | python,virtualenv | 25,353,183 | 34 | false | 0 | 0 | I have a hell of a time using virtualenv on windows with git bash, I usually end up specifying the python binary explicitly.
If my environment is in say .env I'll call python via ./.env/Scripts/python.exe …, or in a shebang line #!./.env/Scripts/python.exe;
Both assuming your working directory contains your virtualen... | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0.011764 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 2 | 0 | 1 | 1 | python,virtualenv | 48,840,058 | 34 | false | 0 | 0 | You can run the source command on cygwin terminal | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0.011764 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 1 | 0 | 1 | 1 | python,virtualenv | 53,059,234 | 34 | false | 0 | 0 | If you see the 5 folders (Include,Lib,Scripts,tcl,pip-selfcheck) after using the virtualenv yourenvname command, change directory to Scripts folder in the cmd itself and simply use "activate" command. | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0.005882 | 0 | 0 | 352,338 |
8,921,188 | 2012-01-19T04:54:00.000 | 0 | 0 | 1 | 1 | python,virtualenv | 58,090,444 | 34 | false | 0 | 0 | If you’re using Windows, use the command "venv\Scripts\activate" (without the word source) to activate the virtual environment. If you’re using PowerShell, you might need to capitalize Activate. | 17 | 190 | 0 | I created a virtualenv around my project, but when I try to activate it I cannot.
It might just be syntax or folder location, but I am stumped right now.
You can see below, I create the virtualenv and call it venv. Everything looks good, then I try to activate it by running source venv/bin/activate
I'm thinking it migh... | Issue with virtualenv - cannot activate | 0 | 0 | 0 | 352,338 |
8,929,284 | 2012-01-19T16:06:00.000 | 0 | 0 | 1 | 0 | python,list,set | 8,929,331 | 8 | false | 0 | 0 | A list must be searched one by one, where a set or dictionary has an index for faster searching. | 5 | 101 | 0 | The python wiki says: "Membership testing with sets and dictionaries is much faster, O(1), than searching sequences, O(n). When testing "a in b", b should be a set or dictionary instead of a list or tuple."
I've been using sets in place of lists whenever speed is important in my code, but lately I've been wondering why... | What makes sets faster than lists? | 0 | 0 | 0 | 52,275 |
8,929,284 | 2012-01-19T16:06:00.000 | 2 | 0 | 1 | 0 | python,list,set | 57,924,362 | 8 | false | 0 | 0 | Basically, Depends on the operation you are doing …
*For adding an element - then a set doesn’t need to move any data, and all it needs to do is calculate a hash value and add it to a table. For a list insertion then potentially there is data to be moved.
*For deleting an element - all a set needs to do is remove the h... | 5 | 101 | 0 | The python wiki says: "Membership testing with sets and dictionaries is much faster, O(1), than searching sequences, O(n). When testing "a in b", b should be a set or dictionary instead of a list or tuple."
I've been using sets in place of lists whenever speed is important in my code, but lately I've been wondering why... | What makes sets faster than lists? | 0.049958 | 0 | 0 | 52,275 |
8,929,284 | 2012-01-19T16:06:00.000 | 212 | 0 | 1 | 0 | python,list,set | 8,929,445 | 8 | false | 0 | 0 | list: Imagine you are looking for your socks in your closet, but you don't know in which drawer your socks are, so you have to search drawer by drawer until you find them (or maybe you never do). That's what we call O(n), because in the worst scenario, you will look in all your drawers (where n is the number of drawers... | 5 | 101 | 0 | The python wiki says: "Membership testing with sets and dictionaries is much faster, O(1), than searching sequences, O(n). When testing "a in b", b should be a set or dictionary instead of a list or tuple."
I've been using sets in place of lists whenever speed is important in my code, but lately I've been wondering why... | What makes sets faster than lists? | 1 | 0 | 0 | 52,275 |
8,929,284 | 2012-01-19T16:06:00.000 | 4 | 0 | 1 | 0 | python,list,set | 8,929,452 | 8 | false | 0 | 0 | While I have not measured anything performance related in python so far, I'd still like to point out that lists are often faster.
Yes, you have O(1) vs. O(n). But always remember that this gives information only about the asymptotic behavior of something. That means if your n is very high O(1) will always be faster - t... | 5 | 101 | 0 | The python wiki says: "Membership testing with sets and dictionaries is much faster, O(1), than searching sequences, O(n). When testing "a in b", b should be a set or dictionary instead of a list or tuple."
I've been using sets in place of lists whenever speed is important in my code, but lately I've been wondering why... | What makes sets faster than lists? | 0.099668 | 0 | 0 | 52,275 |
8,929,284 | 2012-01-19T16:06:00.000 | -1 | 0 | 1 | 0 | python,list,set | 68,699,664 | 8 | false | 0 | 0 | Actually sets are not faster than lists in every scenario. Generally the lists are faster than sets. But in the case of searching for an element in a collection, sets are faster because sets have been implemented using hash tables. So basically Python does not have to search the full set, which means that the time comp... | 5 | 101 | 0 | The python wiki says: "Membership testing with sets and dictionaries is much faster, O(1), than searching sequences, O(n). When testing "a in b", b should be a set or dictionary instead of a list or tuple."
I've been using sets in place of lists whenever speed is important in my code, but lately I've been wondering why... | What makes sets faster than lists? | -0.024995 | 0 | 0 | 52,275 |
8,929,695 | 2012-01-19T16:32:00.000 | 2 | 0 | 0 | 0 | python,django,python-imaging-library,reportlab | 8,930,498 | 2 | false | 1 | 0 | PIL should be installed before library which uses it. I got similar problem with libimaging - PIL wasn't installed before libimaging so libimaging was compiled without it. Solution was uninstall libimaging and install it again with PIL already present in system. | 1 | 0 | 0 | I'm trying to push a django app to the production server, but for some reason it fails and says:
ImportError: The _imaging C module is not installed
The weird part is that when I use the development server on the same machine, it works just fine. PIL is installed, and I can import the _imaging module by hand in the ... | Reportlab can't find _imaging module using production server | 0.197375 | 0 | 0 | 847 |
8,930,460 | 2012-01-19T17:24:00.000 | 0 | 0 | 0 | 0 | python,gtk,pygtk,gtktreeview | 8,931,266 | 3 | false | 0 | 1 | In a gtk.TreeView object there's an append_column method, so yes, you can programmatically add a column to a gtk.TreeView.
However, I'm not aware of any method for adding a new column to an existing model or using multiple models for the same gtk.TreeView. Anyway, I guess you can create a new model with an extra column... | 2 | 5 | 0 | I have a treeview that is populated from a treemodel.
I would like to add a colum to the treeview. Is it possible to draw the data for that column from a separate treemodel or can I append at runtime a column to the existing treemodel? | Can I add a column to an existing treemodel in gtk? | 0 | 0 | 0 | 1,854 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.