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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
26,266,186 | 2014-10-08T20:48:00.000 | 0 | 0 | 1 | 0 | python | 26,276,515 | 1 | false | 0 | 0 | To answer my own question: You need to create a contradiction. Create 3 variables (A, B, C). In order to create an unsolvable computation you need to create a boolean operation that makes it impossible to solve.
(A or B) AND (Not A or Not B) AND (B or C) AND (Not B or C)
A truth table would show that no combinati... | 1 | 0 | 0 | I have a class assignment in which I need to write a function that tests for SAT using the pycosat library. I'm having difficulty trying to figure out a set of parameters that would return "UNSAT" from the library. Can someone please help me find a set of parameters that are not "solvable"? Looking over the unit tes... | Python SAT with pycosat | 0 | 0 | 0 | 783 |
26,268,586 | 2014-10-09T00:38:00.000 | 0 | 1 | 1 | 1 | python,ruby,ipython,ipython-notebook | 33,757,780 | 1 | false | 0 | 0 | Require ./your_program works well for me | 1 | 3 | 0 | Is there a way to run a Ruby program with iruby? I want to run a script instead of entering my code in iruby notebook console.
I assume that iruby would be the same with ipython. | Run a Ruby or Python script from iruby or ipython notebook? | 0 | 0 | 0 | 435 |
26,269,366 | 2014-10-09T02:27:00.000 | 0 | 1 | 1 | 1 | python,multithreading,multiprocessing,ipython,interpreter | 26,269,376 | 1 | false | 0 | 0 | One option is to set a variable (e.g. environment variable, commandline option) when debugging. | 1 | 0 | 0 | I'm working on a project that spins off several long-running workers as processes. Child workers catch SIGINT and clean up after themselves - based on my research, this is considered a best practice, and works as expected when terminating scripts.
I am actively developing this project, which means that I am regularly t... | Handling SIGINT (ctrl+c) in script but not interpreter? | 0 | 0 | 0 | 47 |
26,269,514 | 2014-10-09T02:50:00.000 | 1 | 1 | 0 | 0 | python,ssl,network-programming,network-security | 26,291,779 | 3 | true | 0 | 0 | What is the safest/smartest way to securely transmit data from one server to another (think government/bank-level security)
It depends on your threat model, but intrasite VPN is sometimes used to tunnel traffic like this.
If you want to move up in the protocol stack, then mutual authentication with the client pinning ... | 3 | 0 | 0 | I need to build a Python application that receives highly secure data, decrypts it, and processes & stores in a database. My server may be anywhere in the world so direct connection is not feasible. What is the safest/smartest way to securely transmit data from one server to another (think government/bank-level securit... | Most secure server to server connection | 1.2 | 0 | 1 | 697 |
26,269,514 | 2014-10-09T02:50:00.000 | 1 | 1 | 0 | 0 | python,ssl,network-programming,network-security | 26,269,821 | 3 | false | 0 | 0 | Transmission and encryption need not happen together. You can get away with just about any delivery method, if you encrypt PROPERLY!
Encrypting properly means using a large, randomly generated keys, using HMACs (INSIDE! the encryption) and checking for replay attacks. There may also be a denial of service attack, timin... | 3 | 0 | 0 | I need to build a Python application that receives highly secure data, decrypts it, and processes & stores in a database. My server may be anywhere in the world so direct connection is not feasible. What is the safest/smartest way to securely transmit data from one server to another (think government/bank-level securit... | Most secure server to server connection | 0.066568 | 0 | 1 | 697 |
26,269,514 | 2014-10-09T02:50:00.000 | 0 | 1 | 0 | 0 | python,ssl,network-programming,network-security | 26,320,472 | 3 | false | 0 | 0 | There are several details to be considered, and I guess the question is not detailed enough to provide a single straight answer. But yes, I agree, the VPN option is definitely a safe way to do it, provided you can set up a VPN.If not, the SFTP protocol (not FTPS) would be the next best choice, as it is PCI-DSS complian... | 3 | 0 | 0 | I need to build a Python application that receives highly secure data, decrypts it, and processes & stores in a database. My server may be anywhere in the world so direct connection is not feasible. What is the safest/smartest way to securely transmit data from one server to another (think government/bank-level securit... | Most secure server to server connection | 0 | 0 | 1 | 697 |
26,272,360 | 2014-10-09T07:10:00.000 | 1 | 0 | 1 | 0 | python,csv | 26,272,399 | 2 | false | 0 | 0 | Convert the number to string with formatting operator; in your case: "%09d" % number. | 1 | 1 | 0 | I'm trying to write a csv file from json data. During that, i want to write '001023472' but its writing as '1023472'. I have searched a lot. But dint find an answer.
The value is of type string before writing. The problem is during writing it into the file.
Thanks in advance. | Write Number as string csv python | 0.099668 | 0 | 0 | 2,718 |
26,280,838 | 2014-10-09T14:19:00.000 | 0 | 0 | 0 | 0 | python,math,signal-processing | 26,286,979 | 3 | false | 0 | 0 | Assuming that you've loaded multiple readings of the PSD from the signal analyzer, try averaging them before attempting to find the bandedges. If the signal isn't changing too dramatically, the averaging process might smooth away any peaks and valleys and noise within the passband, making it easier to find the edges. T... | 1 | 0 | 1 | The data that i have is stored in a 2D list where one column represents a frequency and the other column is its corresponding dB. I would like to programmatically identify the frequency of the 3db points on either end of the passband. I have two ideas on how to do this but they both have drawbacks.
Find maximum point ... | How can I find the break frequencies/3dB points from a bandpass filter frequency sweep data in python? | 0 | 0 | 0 | 1,113 |
26,281,339 | 2014-10-09T14:42:00.000 | 0 | 0 | 1 | 0 | python,windows,virtualenv | 26,281,449 | 1 | false | 0 | 0 | My suggestion would be to find where vcvarsall.bat is located on your computer. Check your path environment variable to see if that directory is there. Then, check path as it stands inside your virtualenv, and see if activating your virtualenv removed that directory from your path. | 1 | 0 | 0 | On my Windows7 (64bit) computer, I installed Python 2.7 from python.org and did a pip install of ipython, pyzmq, jinja2, and tornado in order to use the notebook. I also installed numpy and scipy, which at some point required to install a C++ compiler (I used VCForPython27). Everything worked just fine. Then, I did a p... | pip install pyzmq in a virtualenv on windows7 | 0 | 0 | 0 | 311 |
26,282,986 | 2014-10-09T16:04:00.000 | 4 | 0 | 1 | 1 | python | 36,884,696 | 2 | false | 0 | 0 | Python 2 and 3 can safely be installed together. They install most of their files in different locations. So if the prefix is /usr/local, you'll find the library files in /usr/local/lib/pythonX.Y/ where X.Y are the major and minor version numbers.
The only point of contention is generally is the file python itself, whi... | 1 | 4 | 0 | My OS is CentOS 7.0. It's embedded python version is 2.7, and I want to update it to Python 3.4.
when input the
print sys.path
output is:
['', '/usr/lib/python2.7/site-packages/setuptools-5.8-py2.7.egg',
'/usr/lib64/python27.zip', '/usr/lib64/python2.7',
'/usr/lib64/python2.7/plat-linux2', '/usr/lib64/python2.7/l... | how to update python 2.7 to python 3 in linux? | 0.379949 | 0 | 0 | 20,066 |
26,284,375 | 2014-10-09T17:21:00.000 | 0 | 0 | 1 | 0 | ipython-notebook | 28,226,995 | 2 | false | 0 | 0 | CTRL-Enter, Enter
(Release CTRL before the second Enter.)
CTRL-Enter 1) executes the cell, 2) keeps you in the same cell, and 3) puts you into command mode.
Enter puts you into input/editing mode again. | 2 | 0 | 0 | When I execute a cell in iPython by pressing command+enter, it moves to the next cell. Frequently I'd like to quickly go back to the previous cell and modify the code snippet, and would prefer not reaching for my mouse.
The up arrow brings me back to the cell I just executed. Is there a keyboard shortcut to continue t... | iPython Notebook keyboard shortcut to continue editing code | 0 | 0 | 0 | 139 |
26,284,375 | 2014-10-09T17:21:00.000 | 1 | 0 | 1 | 0 | ipython-notebook | 26,285,195 | 2 | true | 0 | 0 | shift-enter execute cell and select the next, ctrl-enter execute and keep the same cell selected. Please read the help -> keyboard shortcut dialog. | 2 | 0 | 0 | When I execute a cell in iPython by pressing command+enter, it moves to the next cell. Frequently I'd like to quickly go back to the previous cell and modify the code snippet, and would prefer not reaching for my mouse.
The up arrow brings me back to the cell I just executed. Is there a keyboard shortcut to continue t... | iPython Notebook keyboard shortcut to continue editing code | 1.2 | 0 | 0 | 139 |
26,285,393 | 2014-10-09T18:19:00.000 | 0 | 0 | 0 | 0 | c++,python-2.7,windows-xp,gettickcount | 26,286,120 | 1 | false | 0 | 1 | Guess I posted to fast since I think I've got it sorted myself. For anyone else in the same position I downloaded the Python source and compiled with Windows XP flags in VS2005 and all seems well with the world. | 1 | 0 | 0 | I'm attempting to embed a python module within a larger c++ program (Relevant details:VS2005, WinXP Python 2.7). When I create a new instance of the class that includes 'python.h' and attempt to run my program I get the error message "The procedure entry point GetTickCount64 could not be located in the dynamic link lib... | GetTickCount64 error using Python and C++ | 0 | 0 | 0 | 505 |
26,286,599 | 2014-10-09T19:37:00.000 | 0 | 0 | 1 | 0 | python,pip | 26,286,699 | 1 | false | 0 | 0 | Answer: You cannot!
Why would you even consider such thing?
This why so many project still use Python 2.7 and not 3.4, because so many modules are not ported yet.
However, more and more are, especially the famous ones.
The only thing you can do, is to find an equivalent / replacement module doing the same thing.
Update... | 1 | 0 | 0 | I would like to install the mailer library with pip, but it imports the module Queue, which has been renamed in python 3 to queue, how can I download it using pip? | How to make pip install python 2.x modules in python 3.x | 0 | 0 | 0 | 88 |
26,286,604 | 2014-10-09T19:37:00.000 | 0 | 1 | 0 | 0 | python,python-2.7,openshift,ftplib | 26,286,904 | 1 | false | 0 | 0 | Have you added it to your dependencies for your application?
Python now supports the use of requirements.txt to handle your dependencies, although python handles things a little different from php/perl. Your requirements.txt can be in your app’s root directory. If both your setup.py and requirements.txt exist within yo... | 1 | 0 | 0 | I'm having application using python 2.7 in openshift and trying to copy file using ftplib.
When I try it in local virtenv everything is OK. But after deployment on openshift getting 500 on web site. Removing code related to ftplib makes it working (it is enough to comment out import ftplib).
It looks like openshift is ... | ftplib is missing in openshift | 0 | 0 | 0 | 128 |
26,287,047 | 2014-10-09T20:04:00.000 | 3 | 0 | 1 | 0 | python,regex,string,replace | 26,287,152 | 1 | false | 0 | 0 | This might work. (?<!\d)\d{2}(?!\d) | 1 | 0 | 0 | I have a String input and I need to remove two digit numbers from the string, wherever it appears.
Example:
str = "abcdef12efgh abc12 abc12345defg 12 12abc abc123"
The required output should be:
abcdefefgh abc abc12345defg abc abc123
I am able to remove the two digits prefixed/suffixed by '<space>', but not 'abcdef12ef... | Python regex to remove two digit number in between strings | 0.53705 | 0 | 0 | 1,049 |
26,289,153 | 2014-10-09T22:43:00.000 | 12 | 0 | 1 | 0 | python,multiprocessing,ipython,pdb,ipdb | 35,398,114 | 3 | false | 0 | 0 | Sometimes for debugging You can change your code to use multiprocessing.dummy . This way, no fork will be done, it will work with threads and be easier to debug.
Later on (after the bug is squashed...) you can switch back to multiprocessing
multiprocessing.dummy - should offer the same API as multiprocessing so its an ... | 1 | 23 | 0 | I use ipdb.set_trace() whenever I need to set a break point in my code. Right now, I'm trying to use it in a process that I've created using multiprocessing, while the code does stop, I can't type anything to continue debugging. Is there any way to get my stdin directed properly?
Ideally, I would like to imagine a new ... | How to use ipdb.set_trace in a forked process | 1 | 0 | 0 | 2,836 |
26,290,757 | 2014-10-10T01:54:00.000 | 0 | 0 | 0 | 0 | wxpython,wxwidgets | 26,307,804 | 4 | false | 0 | 1 | Well then, I would suppose that the code is handling the resize event, allowing you to make the window larger, but not smaller.
Look for something like void handlerFuncName(wxSizeEvent& event)
Also look for wxEVT_SIZE | 2 | 1 | 0 | I have inherited a wxPython app (story of my life of late) and you cannot make the window any smaller (but you can make it larger). What could be preventing it from being resized smaller? What could I grep for to find what is causing this? The window contains a Notebook with 2 tabs. One tab has a Grid and the other has... | wxPython: what is preventing me from making a window smaller? | 0 | 0 | 0 | 193 |
26,290,757 | 2014-10-10T01:54:00.000 | 0 | 0 | 0 | 0 | wxpython,wxwidgets | 26,292,854 | 4 | false | 0 | 1 | It is likely a call to SetMinSize for your Dialog/Frame. | 2 | 1 | 0 | I have inherited a wxPython app (story of my life of late) and you cannot make the window any smaller (but you can make it larger). What could be preventing it from being resized smaller? What could I grep for to find what is causing this? The window contains a Notebook with 2 tabs. One tab has a Grid and the other has... | wxPython: what is preventing me from making a window smaller? | 0 | 0 | 0 | 193 |
26,293,138 | 2014-10-10T06:22:00.000 | 4 | 1 | 1 | 0 | python,pydev | 26,293,169 | 1 | true | 0 | 0 | Window-Preferences-PyDev-Editor-Templates-Change your Empty template | 1 | 1 | 0 | I'm using pydev in eclipse. When new a .py file, there will be file info(author, create date etc.)generated like below:
"""
Created on Fri Oct 10 13:50:18 2014
@author: XXXX
"""
How to change the format? | auto-generation of python file info(author, create date etc.) | 1.2 | 0 | 0 | 2,065 |
26,293,481 | 2014-10-10T06:49:00.000 | 0 | 0 | 1 | 0 | django,python-2.7,django-nonrel | 26,293,980 | 1 | false | 1 | 0 | Django-nonrel isn't "compatible" with anything. It is actually a fork of Django, currently based on the 1.5 release. | 1 | 1 | 0 | I am using Django 1.7 and I want to use MongoDB, So for that I try to install django-nonrel. Please let me know django-nonrel is compatible with Django 1.7? | does django-nonrel is compatible with django 1.7 | 0 | 1 | 0 | 250 |
26,293,638 | 2014-10-10T07:00:00.000 | 1 | 0 | 0 | 0 | python,checkbox,pyqt,pyqt4,pyside | 26,311,689 | 1 | true | 0 | 1 | use QButtonGroup to make them as a group and you might want to derive a class from this and override the basic check/uncheck depending on how you want the checkboxes to behave | 1 | 0 | 0 | I am making a GUI for a script in Python, using PySide Qt. I have a couple of checkboxes in the main window and I was wondering if it is possible to make them dependant to each other. What I mean is that, if I check one of them, all the others should become unchecked. So only one can be checked at a time.
Is there a co... | How to allow only one checkbox checked at a time? | 1.2 | 0 | 0 | 2,086 |
26,295,908 | 2014-10-10T09:16:00.000 | 1 | 0 | 0 | 0 | django,python-2.7,django-paypal,paypal,django-oscar | 27,332,269 | 1 | true | 1 | 0 | The problem was i was using get method for redirecting to paypal,later i changed that to post and it worked for me.I have used oscar for this, in that checkout view i wrote redirection in post function,which made it work | 1 | 0 | 0 | Am using django oscar paypal and django oscar-0.7, when i submit for payment page get redirected to paypal site. After continuing that step and redirecting back to my site, it shows basket is empty and all paypal session is lost. Am stuck up here. Please help me in this? | Paypal loses session data | 1.2 | 0 | 0 | 151 |
26,296,993 | 2014-10-10T10:11:00.000 | 0 | 0 | 1 | 1 | python,python-2.7,cmd | 26,297,007 | 1 | false | 0 | 0 | It's totally posible and will fork fine. | 1 | 0 | 0 | I have got a python (2.7) script and I would like to start it in multiple CMDs at the same time. Is this possible or would the script crash? | Running a python script several times at the same time? | 0 | 0 | 0 | 70 |
26,299,460 | 2014-10-10T12:28:00.000 | 0 | 0 | 0 | 0 | python,python-2.7,openssl,fips | 26,355,082 | 3 | false | 0 | 0 | I dont think sslv3 is supported in FIPS mode. Try using SSLv23_server_method instead of SSLv3_method | 1 | 0 | 0 | I have built python with fips capable openssl, all things seem to be working fine but call to wrap_socketfails with the error "Invalid SSL protocol variant specified" when fips mode is enabled. This call succeeds when not in fips mode
Debugging through the code it was found that the call to SSL_CTX_new(SSLv3_method() i... | call to ssl.wrap_socket fails with the error Invalid SSL protocol variant specified | 0 | 0 | 1 | 593 |
26,299,978 | 2014-10-10T12:55:00.000 | 1 | 0 | 0 | 0 | python,algorithm,pattern-matching,cluster-analysis,data-mining | 26,303,687 | 2 | false | 0 | 0 | If your comparison works with "create a sum of all features and find those which the closest sum", there is a simple trick to get close objects:
Put all objects into an array
Calculate all the sums
Sort the array by sum.
If you take any index, the objects close to it will now have a close index as well. So to find th... | 1 | 0 | 1 | I have 1,000 objects, each object has 4 attribute lists: a list of words, images, audio files and video files.
I want to compare each object against:
a single object, Ox, from the 1,000.
every other object.
A comparison will be something like:
sum(words in common+ images in common+...).
I want an algorithm that will ... | Algorithm for matching objects | 0.099668 | 0 | 0 | 543 |
26,301,635 | 2014-10-10T14:21:00.000 | 2 | 0 | 0 | 0 | python,linux,qt,installation,pyqt4 | 27,922,827 | 2 | false | 0 | 1 | Search string 'PrintCurrentPage' in files of your PyQt-package. You will find it in 4 files.
Remove corresponded lines with string 'PrintCurrentPage' | 1 | 5 | 0 | I know this is probably something trivial, but I cannot seem to find the answer. I have just completed a fresh install of Scientific Linux 6.5 - which ships with Python 2.6 and Qt 4.6.2. I wish to use the Python interpreter python2.7.8 so downloaded this and installed. I use the QtDesigner for ease when making guis, so... | Installing PyQt4.11.2 on Scientific Linux 6.5 | 0.197375 | 0 | 0 | 1,861 |
26,302,718 | 2014-10-10T15:18:00.000 | 0 | 0 | 0 | 1 | python,apache,deployment,openerp,mod-wsgi | 26,330,930 | 1 | false | 1 | 0 | The schedulers don't work when running through wsgi because your Odoo instances are just workers. AFAIK you just run a standalone instance on a 127.0.0.1 port and it runs your scheduled tasks. | 1 | 0 | 0 | When I deploy openerp/odoo using mod_wsgi, I found my schedulers stop working, can any one help how can I get my cron/schedulers working. If I deploy it using mod_proxy it will solve the issue but I want to deploy using mod_wsgi. | odoo mod_wsgi schedulers not working | 0 | 0 | 0 | 246 |
26,303,493 | 2014-10-10T16:00:00.000 | 1 | 0 | 0 | 0 | python,colors,crosstab,tibco,spotfire | 26,714,084 | 3 | false | 0 | 0 | One can make a color according to category by using Properties->Color->Add Rule , where you can see many conditions to apply your visualization. | 1 | 0 | 1 | Spotfire 5.5
Hi, I am looking for a way to color code or group columns together in a Spotfire cross-table. I have three categories (nearest, any, all) and three columns associated with each category. Is there a way I can visually group these columns with their corresponding category.
Is there a way to change column he... | Spotfire column title colors | 0.066568 | 0 | 0 | 3,241 |
26,304,413 | 2014-10-10T16:57:00.000 | 0 | 0 | 0 | 0 | python,django | 26,305,048 | 1 | false | 1 | 0 | When you say "procedures" i guess you're talking about pages (or views in Django). So I would implement a single "app" to do that.
Remember a project is composed of apps. When you create a project a main app (with the same name of the project) is created. This is a good place to code the procedures you said.
Think of a... | 1 | 1 | 0 | I'm learning Django but it's difficult to me to see how should I divide a project into apps?
I've worked on some Java EE systems, almost for procedures for government and all that stuff but I just can't see how to create a Django project for this purposes?
For example, if you should have to do a web app for making easi... | Django apps structure | 0 | 0 | 0 | 73 |
26,306,159 | 2014-10-10T18:53:00.000 | 2 | 0 | 0 | 0 | python,windows,python-3.x | 26,306,346 | 4 | true | 0 | 0 | There are many possible solutions, but my recommendation is to solve this with a database. I prefer MySQL since it is free and easy to setup. It is immediate and you can avoid simultaneous update file locking problems because Innodb feature of MySQL automatically handles row locking. It's actually easier to setup a ... | 3 | 1 | 0 | I'm looking for a reliable method of sending data from multiple computers to one central computer that will receive all the data, process and analyse it. All computers will be on the same network.
I will be sending text from the machines so ideally it will be a file that I need sending, maybe even an XML file so I can ... | method of sending data from multiple computers too a central location in real-time using python | 1.2 | 0 | 1 | 252 |
26,306,159 | 2014-10-10T18:53:00.000 | 0 | 0 | 0 | 0 | python,windows,python-3.x | 26,308,107 | 4 | false | 0 | 0 | I assume you are working only on a secure lan, since you do not speak about security, but only low latency. In fact there are many solutions each with its advantages and drawbacks.
Simple messages using UDP. Very low overhead on network, client and server. Drawback : in UDP you can never be sure that a message cannot ... | 3 | 1 | 0 | I'm looking for a reliable method of sending data from multiple computers to one central computer that will receive all the data, process and analyse it. All computers will be on the same network.
I will be sending text from the machines so ideally it will be a file that I need sending, maybe even an XML file so I can ... | method of sending data from multiple computers too a central location in real-time using python | 0 | 0 | 1 | 252 |
26,306,159 | 2014-10-10T18:53:00.000 | 0 | 0 | 0 | 0 | python,windows,python-3.x | 26,306,417 | 4 | false | 0 | 0 | Netcat over TCP for reliability, low overhead and simplicity. | 3 | 1 | 0 | I'm looking for a reliable method of sending data from multiple computers to one central computer that will receive all the data, process and analyse it. All computers will be on the same network.
I will be sending text from the machines so ideally it will be a file that I need sending, maybe even an XML file so I can ... | method of sending data from multiple computers too a central location in real-time using python | 0 | 0 | 1 | 252 |
26,307,163 | 2014-10-10T19:58:00.000 | 1 | 1 | 0 | 1 | php,python,wordpress,ssh,webpage | 26,307,516 | 2 | false | 1 | 0 | Have a program monitor the file, either locally or via SSH. Have that program push updates into your web backend, via HTTP API or such. | 1 | 1 | 0 | I have a temperature logger that measures the records temperature values at specified time intervals. Currently I push these to a google spreadsheet but would like to display the values automatically on a web-page.
I have no experience with anything to do with web-pages, except setting up a few Wordpress sites but am ... | Best way to display real-time data from an SSH accesible file on webpage | 0.099668 | 0 | 0 | 856 |
26,307,256 | 2014-10-10T20:06:00.000 | 3 | 1 | 0 | 0 | python,imap,long-polling,gmail-api | 26,307,963 | 2 | true | 0 | 0 | Would definitely recommend against IMAP, note that even with the IMAP IDLE command it isn't real time--it's just polling every few (5?) seconds under the covers and then pushing out to the connection. (Experiment yourself and see the delay there.)
Querying history.list() frequently is quite cheap and should be fine. ... | 1 | 2 | 0 | I'm building an installation that will run for several days and needs to get notifications from a GMail inbox in real time. The Gmail API is great for many of the features I need, so I'd like to use it. However, it has no IDLE command like IMAP.
Right now I've created a GMail API implementation that polls the mailbox ... | Long polling with GMail API | 1.2 | 0 | 1 | 1,369 |
26,308,150 | 2014-10-10T21:17:00.000 | 1 | 0 | 0 | 0 | python,twisted,qnx | 26,308,463 | 2 | true | 0 | 0 | Did you try reactor.run(installSignalHandlers=False)? This limits the reactor's functionality a bit, but it may allow you to limp along. | 2 | 0 | 0 | I'm experimenting with running twisted/crossbar.io on QNX (target:powerpc-unknown-nto-qnx6.5.0), however it appears that QNX does not have siginterrupt() and SA_RESTART flag is not supported. As result signals.siginterrupt() does not exist in embedded python.
Is there any way to run/patch python/twisted on a system li... | Running twisted on posix (QNX) system that does not have siginterrupt() | 1.2 | 0 | 0 | 169 |
26,308,150 | 2014-10-10T21:17:00.000 | 1 | 0 | 0 | 0 | python,twisted,qnx | 26,308,907 | 2 | false | 0 | 0 | Is there any way to run/patch python/twisted on a system like this?
The general answer is "port Twisted to your target platform". Twisted has interacts extensively with the platform it is running on. You might trick it into not dying with an AttributeError in one place with a simple patch but this doesn't mean that ... | 2 | 0 | 0 | I'm experimenting with running twisted/crossbar.io on QNX (target:powerpc-unknown-nto-qnx6.5.0), however it appears that QNX does not have siginterrupt() and SA_RESTART flag is not supported. As result signals.siginterrupt() does not exist in embedded python.
Is there any way to run/patch python/twisted on a system li... | Running twisted on posix (QNX) system that does not have siginterrupt() | 0.099668 | 0 | 0 | 169 |
26,310,822 | 2014-10-11T03:41:00.000 | -1 | 0 | 0 | 0 | python,indexing | 26,310,892 | 1 | false | 0 | 0 | You can make __getitem__ which takes arbitrary objects as indices (and floating point numbers in particular). | 1 | 0 | 1 | I am working on a fluid dynamics simulation tool in Python. Traditionally (at least in my field), integer indices refer to the center of a cell. Some quantities are stored on the faces between cells, and in the literature are denoted by half-integer indices. In codes, however, these are shifted to integers to fit in... | Half-integer indices | -0.197375 | 0 | 0 | 149 |
26,311,022 | 2014-10-11T04:20:00.000 | 0 | 0 | 0 | 0 | android,python,adb,monkeyrunner | 26,311,559 | 1 | true | 1 | 0 | You are trying to install an APK which is intended for a higher version onto API level 8 and thus the package manager refuses to install it. It has nothing to do with adb or monkeyrunner. | 1 | 0 | 0 | I've downloaded an APK onto a Velocity Cruz Tablet running Android 2.2.1 (API Level 8), and I'm trying to install it via whatever I can manage to make work. I already had ADT on my computer (Windows 8.1 if this helps) for API Level 19 for use with my phone. So I used the SDK Manager to get API Level 8. I can't for the ... | Android - ADB/MonkeyRunner Setting API Levels | 1.2 | 0 | 0 | 225 |
26,311,527 | 2014-10-11T05:42:00.000 | 1 | 0 | 0 | 0 | django,python-2.7,sublimetext3 | 26,313,332 | 1 | false | 1 | 0 | please check if you are permitted to write on that directory. | 1 | 0 | 0 | I am a total noob in python.I am trying to save a .py file which I wrote it using the sublime3 editor but it doesn't allow me to save it.It says the file is read only.I am using django framework .Any suggestions ? | unable to save a .py file in sublime using django | 0.197375 | 0 | 0 | 619 |
26,314,316 | 2014-10-11T11:50:00.000 | 0 | 0 | 0 | 0 | python,amazon-web-services,boto,amazon-emr | 56,300,935 | 4 | false | 0 | 0 | My Step Arguments are: bash -c /usr/bin/flink run -m yarn-cluster -yn 2 /home/hadoop/mysflinkjob.jar
Trying execute same run_job_flow, but getting error:
Cannot run program "/usr/bin/flink run -m yarn-cluster -yn 2
/home/hadoop/mysflinkjob.jar" (in directory "."): error=2, No such
file or directory
Executing same... | 1 | 22 | 0 | I'm trying to launch a cluster and run a job all using boto.
I find lot's of examples of creating job_flows. But I can't for the life of me, find an example that shows:
How to define the cluster to be used (by clusted_id)
How to configure an launch a cluster (for example, If I want to use spot instances for some task ... | How to launch and configure an EMR cluster using boto | 0 | 0 | 0 | 20,431 |
26,315,848 | 2014-10-11T14:44:00.000 | 1 | 0 | 0 | 0 | python,button,user-interface,python-3.x,tkinter | 26,315,912 | 2 | false | 0 | 1 | You need a variable in a global or class instance scope and a function that has access to the scope of the variable that increments the variable when called. Set the function as the command attribute of the Button so that the function is called when the button is clicked. | 1 | 0 | 0 | So I am writing a program for school, and I have to make a maths quiz, the quiz needs to be out of 10 questions. I have made a button that is defined with a command that generates a new questions, clears the text box, get the answer from the dictionary, and inserts the new question into the textbox. At the moment the... | How to count the number of times a button is clicked Python(tkinter) | 0.099668 | 0 | 0 | 17,843 |
26,316,273 | 2014-10-11T15:34:00.000 | 0 | 1 | 0 | 0 | python,heroku,importerror,psycopg2 | 26,317,020 | 1 | false | 1 | 0 | You could keep the psycopg2 directory in the same directory of apps, but that's actually a hack and you should try fix on installing psycopg2 on Heroku. | 1 | 1 | 0 | I have deployed my local python web service project to Heroku. I have all my dependencies in requirement.txt file. But, one module psycopg2 is not getting installed properly and I am getting installation error. So, I removed it from requirement.txt and thought I will push everything to heroku first, and then I will man... | How to manually copy folder to /app/.heroku/python/lib/python2.7/site-packages/? | 0 | 0 | 0 | 248 |
26,318,326 | 2014-10-11T19:16:00.000 | 1 | 0 | 0 | 0 | android,segmentation-fault,android-browser,qpython,pyjnius | 26,428,421 | 2 | true | 1 | 1 | Apparently, this happens just in console mode, so in other QPython mods it works fine. | 1 | 3 | 0 | I'm new developer in QPython (experienced with python), I want to open an url with user's default browser.
I tried AndroidBrowser().open("...") but, to my surprise, I got Segmentation Fault!
So I said OK, let's try to open it manually as activity, then I tried to import jnius and got Segmentation Fault as well.
Any sug... | Open a URL with default broswer? | 1.2 | 0 | 0 | 1,277 |
26,319,099 | 2014-10-11T20:45:00.000 | 1 | 0 | 1 | 0 | python,keyboard-shortcuts,ipython | 26,319,459 | 1 | false | 0 | 0 | You could try using the %edit or %ed commands to enter into your default editor and have much more flexibility. | 1 | 2 | 0 | Occasionally I'll write a 10 or 20-line function in IPython and notice after I try to execute it that I made a few typos. The commands Ctrl+P and Ctrl+N just take me to previous commands rather than lines, meaning that I currently have to retype the entire function to correct a few typos. Obviously this is time consu... | How do I move between lines in an IPython terminal on a Mac? | 0.197375 | 0 | 0 | 327 |
26,319,382 | 2014-10-11T21:22:00.000 | 3 | 0 | 1 | 0 | python,fonts,truetype | 26,319,577 | 1 | false | 0 | 1 | It's pretty tricky to do analytically.
One way is trial and error. Choose a large font size and render the layout to see whether it fits
Use bisection algorithm to converge on the largest font that fits | 1 | 0 | 0 | I'm trying to adequate the FontSize of my text into a width-height specific context. For instance, if I got a image (512x512 pixels) and I got for instance 140 characters. What would be the ideal FontSize?
In the above case, a 50 pixels Fontsize seems to be ok but what happened if there's a lot more text? the text wil... | Calculate fontsize | 0.53705 | 0 | 0 | 376 |
26,320,645 | 2014-10-12T00:30:00.000 | 0 | 0 | 0 | 0 | python,deployment,pyramid,wsgi,gunicorn | 26,890,297 | 1 | false | 1 | 0 | I mis-diagnosed the problem. It seems that both Firefox and Chrome perform certain optimizations when loading the same page address multiple times. I thought the server was becoming irresponsive, but in fact there were no requests generated to serve. | 1 | 2 | 0 | It seems to me that my gunicorn workers are restarted each time there is connection reset by a browser (e.g. by reloading a page while a request is still progress or as a result of connectivity problems).
This doesn't seem to be a sensible behaviour. Effectively I can bring down all the workers just by refreshing a pag... | Gunicorn workers restart by connection reset | 0 | 0 | 0 | 882 |
26,320,899 | 2014-10-12T01:17:00.000 | 232 | 0 | 1 | 0 | python,optional-parameters,pylint,optional-arguments | 26,320,917 | 2 | true | 0 | 0 | It's dangerous only if your function will modify the argument. If you modify a default argument, it will persist until the next call, so your "empty" dict will start to contain values on calls other than the first one.
Yes, using None is both safe and conventional in such cases. | 1 | 186 | 0 | I put a dict as the default value for an optional argument to a Python function, and pylint (using Sublime package) told me it was dangerous. Can someone explain why this is the case? And is a better alternative to use None instead? | Why is the empty dictionary a dangerous default value in Python? | 1.2 | 0 | 0 | 83,067 |
26,321,861 | 2014-10-12T04:26:00.000 | 1 | 0 | 0 | 0 | python,macos,sublimetext3 | 26,322,148 | 1 | true | 0 | 1 | You can try to edit the session file and start removing references to the offending code and see if that helps.
On a mac it should be found here:
~/Library/Application Support/Sublime Text 2/Settings/Session.sublime_session
This is just a guess, it might be in another file but it might point you in the right direction. | 1 | 0 | 0 | I am having a severe glitch after accidentally running an infinite loop in sublime text 3 with python.
I was forced to kill the program (force quit) as it became unresponsive. I subsequently tried to reopen Sublime Text 3, however the application became stuck once more in what I can only assume to be an infinite loop, ... | Sublime text 3 refuses to load after executing infinite loop in Python | 1.2 | 0 | 0 | 421 |
26,323,645 | 2014-10-12T09:26:00.000 | 1 | 0 | 1 | 0 | python,crash,formatting,usb,python-idle | 26,324,989 | 1 | false | 0 | 0 | Fixed
Method used to fix it:
Go for dinner.
Come back.
Fixed.
Seriously though, i restarted my computer, still the same. I left the computer while i showered and had dinner and when i came back and tried again i was able to open IDLE without it crashing. Part 1 Fixed!
The second fix was to change the default program ... | 1 | 1 | 0 | I've had Python 3.3.3 installed on my computer for nearly a year now and used it very frequently. This morning I have been having trouble with my USB stick with the PY file I was working on (USB stick was unplugged without ejecting it and now it needs formatting followed by some other errors).
So I am forced to use a P... | Python 3.3.3 IDLE closes on save and new file creation | 0.197375 | 0 | 0 | 297 |
26,323,942 | 2014-10-12T10:03:00.000 | 3 | 0 | 1 | 0 | python | 26,324,214 | 1 | true | 0 | 1 | Do not use import to implement application logic.
In your use case, a room is the classic example of an object in object-oriented programming. You should have a class Room which defines the functionality for rooms. Individual rooms are instances of that class (later you can add subclasses, but I would not worry about t... | 1 | 0 | 0 | I was thinking of making a text-based game about detectives, case-solving, with complete freedom, loads of variables, etc.
But before I get serious with it I need to know how to make rooms. E.g. you start in the hall and you type in "Go kitchen" and you go to the kitchen.
I have achieved this by using import file whe... | How best to implement rooms for a text-based game? | 1.2 | 0 | 0 | 486 |
26,324,636 | 2014-10-12T11:28:00.000 | 1 | 0 | 0 | 1 | python,google-app-engine,python-2.7 | 39,908,883 | 1 | false | 1 | 0 | On my PC it is found under this directory:
C:\Users\Bob\AppData\Local\Google\Cloud SDK\google-cloud-sdk\platform\google_appengine
I would assume that on Apple OS it will be similar based on where you decided to install the Cloud SDK. | 1 | 2 | 0 | i have searched through many python issues and none seem to help me with mine or i just don't understand it enough to resolve the issue. basically i am trying to learn python so in the process on my mac i have installed serveral versions and had many version issues which so far i have been able to resolve by looking up... | google app engine dev_appserver.py file not found | 0.197375 | 0 | 0 | 1,087 |
26,328,818 | 2014-10-12T19:01:00.000 | 0 | 0 | 1 | 1 | python,macos | 26,328,952 | 1 | true | 0 | 0 | Things that are in System are there for a reason: because they're used by the system. You should not change things in there unless you know what you're doing, and even then not unless you have a very good reason. Library is the right place for software you install for your own use. | 1 | 0 | 0 | On my OSX 10.6.8 there was an old version of python installed and it was in:
System/Library/Frameworks/Python.framework/Versions/2.7/bin/python
I downloaded and installed a newer version from the official website and it went to:
/Library/Frameworks/Python.framework/Versions/2.7/bin/python
I was just wondering. Which on... | Right path for python on OSX | 1.2 | 0 | 0 | 92 |
26,329,613 | 2014-10-12T20:25:00.000 | 1 | 0 | 1 | 0 | python,mysql,sql,database,nosql | 26,329,692 | 1 | true | 0 | 0 | Yes, you could fake a lot of DB operations with a nested dict structure. Top level is your "tables", each table has entries (use a "primary key" on these) and each entry is a dict of key:value pairs where keys are "column names" and values are, well, values.
You could even write a little sql-like query language on thi... | 1 | 1 | 0 | I have been given a few TSV files containing data, around 800MB total in a couple of files.
Each of them has columns that link up with columns in another file.
I have so far imported all of my data into Python and stored it in an array. I now need to find a way to build a database out of this data without using any SQL... | Database-like operations without any database use | 1.2 | 1 | 0 | 101 |
26,339,828 | 2014-10-13T12:17:00.000 | 0 | 0 | 0 | 0 | python,date,subset | 26,340,459 | 3 | false | 0 | 0 | Assuming you're using Pandas.
dfQ1 = df[(df.date > Qstartdate) & (df.date < Qenddate)] | 1 | 0 | 1 | I have a large dataset with a date column (which is not the index) with the following format %Y-%m-%d %H:%M:%S.
I would like to create quarterly subsets of this data frame i.e. the data frame dfQ1 would contain all rows where the date was between month [1 and 4], dfQ2 would contain all rows where the date was between m... | How can I subset a data frame based on dates, when my dates column is not the index in Python? | 0 | 0 | 0 | 1,077 |
26,349,503 | 2014-10-13T21:56:00.000 | 0 | 0 | 0 | 0 | python,emacs,pdb | 26,373,563 | 1 | true | 0 | 0 | Normally there is no "=>" inserted at all. What there is instead is a "=>" that is displayed but which is not part of the buffer's content. Are you sure it's really in the code and are you sure you can delete it as if it were normal text? | 1 | 0 | 0 | I'm trying to learn how to use pdb in emacs.
I run emacs in console mode and in my python file I have something like import pdb and pdb.set_trace() at the beginning of the file. I use C-c C-c to execute the buffer and pdb starts running. It works fine except that I end up with a => inserted into my code on the line tha... | Using pdb in emacs inserts => into my code | 1.2 | 0 | 0 | 105 |
26,351,509 | 2014-10-14T01:55:00.000 | 3 | 0 | 0 | 0 | python,django,django-rest-framework,pythonanywhere | 26,351,856 | 1 | true | 1 | 0 | It turns out that it was a python version issue. It was installing rest_framework under python 2.7 and my application was using python 3.3. To install it for python 3.3 I ran the following.
pip3.3 install djangorestframework | 1 | 2 | 0 | I am having trouble deploying my app on pythonanywhere.com. I have followed instructions to get teh django rest frameowrk package installed via pip by running the following
pip install --user djangorestframework
When I go into my console and run pip freeze it outputs djangorestframework==2.4.3 as one of the installed p... | Module rest_framework not found on pythonanywhere.com app | 1.2 | 0 | 0 | 1,418 |
26,352,386 | 2014-10-14T03:53:00.000 | 2 | 0 | 1 | 0 | python,conventions,convention | 26,352,431 | 1 | true | 0 | 0 | You can use any name even if it is used by a function.
What you can't is use keywords like def, class, if, else...
But of course it is not a good practice to replace those names used by functions to avoid confusion.
A known practice is to add a _ to the end: input_, class_... | 1 | 0 | 0 | in python (3.3.3), what is the proper way to name a variable that is already being used?
for example, I want to create the variable input. obviously this will not work as there is a python keyword called input.
assuming I needed a name similar to input, what is the proper way to name it without deviating much from the... | proper way to name a variable already used? | 1.2 | 0 | 0 | 171 |
26,355,152 | 2014-10-14T07:35:00.000 | 0 | 0 | 0 | 0 | python-2.7,scrapy,web-crawler | 26,378,448 | 2 | false | 1 | 0 | For this we have to make a list in fields_to_export in the BaseItemExporter class
field_iter = ['Offer', 'SKU', 'VendorCode'] like this
and then have to pass this list in the field | 1 | 0 | 0 | I have to crawl data from a web page in a specfic order as liked i declared fields in my item class and then have to put them in csv file.problem now occuring is there its stores data not in specfic order as like its scrapping data of any field and putting in csv file but i want it should store data as i declared in my... | How to store data crawled in scrapy in specfic order? | 0 | 0 | 0 | 262 |
26,358,511 | 2014-10-14T10:26:00.000 | 1 | 0 | 0 | 0 | python,django,templates,variables | 26,358,812 | 2 | false | 1 | 0 | You can add variables to context | 1 | 0 | 0 | I have a django and I wrote some views. I know how to pass my variables to template, but I also has some external modules with their own views, which I wont modify. Please help me understand how can I get one of my object "Menu.objects.all()" exist in all templates? So for example a I have django-registration and i wan... | Make an object exists in all templates | 0.099668 | 0 | 0 | 58 |
26,358,543 | 2014-10-14T10:28:00.000 | -3 | 0 | 1 | 0 | javascript,python | 26,358,654 | 2 | false | 1 | 0 | If you use an IDE such as phpstorm, it can easily find variables for you. I don't see the use in programming something in Python to do this. | 1 | 1 | 0 | I have directory with many JaveScript files. Here I want to scan each file and want to replace each JavaScript variable with string like 'str1', 'str2', 'str3', ..., 'strn' and so on.
My question is: how to identify a JavaScript variable?
Doubts:
If I say keyword after var is a variable, however there is no compulsion... | How to search for JavaScript variables in a file, using Python? | -0.291313 | 0 | 0 | 1,278 |
26,359,839 | 2014-10-14T11:34:00.000 | 0 | 0 | 1 | 0 | python,windows,webcam | 26,442,544 | 1 | true | 0 | 0 | I have investigated a couple options since then. One of the tools that I could utilize is devcon, through which usb cameras could be disabled/enabled to take snapshots. Another (simpler) option is to use a function in python opencv - cv2.VideoCapture(i) will automatically allow the program to iterate through different ... | 1 | 0 | 0 | Here is the objective I wish to achieve: I would like to connect multiple web cameras to a single Windows machine and take snapshots from one of them at different instances (so one camera must active at one point of time, while another must be active at another). From what I have tried, an user has to go to the control... | Python Switching Active Cameras | 1.2 | 0 | 0 | 229 |
26,360,362 | 2014-10-14T12:01:00.000 | 0 | 0 | 1 | 0 | visual-studio,ironpython | 27,236,342 | 2 | false | 0 | 0 | After installing the Microsoft Visual Studio 2008 Shell Isolated Mode Redistributable Package, go to the c:\ drive. At the root level you will find the folder VS 2008 Shell Redist\Isolated Mode. Here is the real installation file named vs_shell_isolated.enu.exe. Install it!
After completing that installation, you will ... | 1 | 2 | 0 | I am stuck with IronPython Studio Installation. It needs VS 2008 Shell Isolated Mode Redistributable Package. So i downloaded that and installed in my C:\Program Files. Then I ran IronPython Studio Isolated.msi but it says that
This setup requires Microsoft Visual Studio 2008 Shell Isolated Mode Redistributable Packa... | How to Install IronPython Studio | 0 | 0 | 0 | 4,670 |
26,361,405 | 2014-10-14T12:55:00.000 | 1 | 0 | 1 | 1 | python,pip | 69,124,029 | 2 | false | 0 | 0 | It's fairly easy in recent versions of pip (the PR in the other answer is now part of pip).
pip freeze --user
This will output a list of packages currently installed to the user's site-packages. | 1 | 2 | 0 | I have dutifully uninstalled all the Python packages I installed with sudo pip install and installed them with pip --user install instead. Yay me :)
On Ubuntu, I know I can find the relevant binaries at /home/<USERNAME>/.local/bin and the packages themselves at /home/<USERNAME>/.local/lib/python2.7/site-packages ... bu... | How can I pip freeze and get only pip --user installs, no system installs? | 0.099668 | 0 | 0 | 669 |
26,362,010 | 2014-10-14T13:24:00.000 | 0 | 0 | 0 | 0 | python,numpy | 26,362,076 | 3 | false | 0 | 0 | You need to use a compound dtype, with a separate type per column. Or you can use np.genfromtxt without specifying any dtype, and it will be determined automatically, per each column, which may give you what you need with less effort (but perhaps slightly less performance and less error checking too). | 2 | 2 | 1 | I'm trying to load a matrix from a file using numpy. When I use any dtype other than float I get this error:
OverflowError: Python int too large to convert to C long
The code:
X = np.loadtxt(feats_file_path, delimiter=' ', dtype=np.int64 )
The problem is that my matrix has only integers and I can't use a float becaus... | Numpy's loadtxt(): OverflowError: Python int too large to convert to C long | 0 | 0 | 0 | 2,553 |
26,362,010 | 2014-10-14T13:24:00.000 | 0 | 0 | 0 | 0 | python,numpy | 26,362,482 | 3 | false | 0 | 0 | Your number looks like it would fit in the uint64_t type, which is available if you have C99. | 2 | 2 | 1 | I'm trying to load a matrix from a file using numpy. When I use any dtype other than float I get this error:
OverflowError: Python int too large to convert to C long
The code:
X = np.loadtxt(feats_file_path, delimiter=' ', dtype=np.int64 )
The problem is that my matrix has only integers and I can't use a float becaus... | Numpy's loadtxt(): OverflowError: Python int too large to convert to C long | 0 | 0 | 0 | 2,553 |
26,363,853 | 2014-10-14T14:51:00.000 | 1 | 0 | 0 | 0 | python,testing,numpy,scipy,integration-testing | 26,368,952 | 1 | true | 0 | 0 | This doesn't completely answer your question, but I think the policy of scipy release management since 0.11 or earlier has been to support all of the numpy versions from 1.5.1 up to the numpy version in development at the time of the scipy release. | 1 | 1 | 1 | Testing against NumPy/SciPy includes testing against several versions of them, since there is the need to support all versions since Numpy 1.6 and Scipy 0.11.
Testing all combinations would explode the build matrix in continuous integration (like travis-ci). I've searched the SciPy homepage for notes about version comp... | Testing against NumPy/SciPy sane version pairs | 1.2 | 0 | 0 | 69 |
26,374,480 | 2014-10-15T04:28:00.000 | 0 | 0 | 1 | 1 | python,python-3.x,windows-8,admin,exe | 54,080,629 | 2 | false | 0 | 0 | So, I know this question is like 5 years old, but you can make it actually kinda unkillable to even the admin. Make the program run as admin, so only admins can kill it. Then, make a loop that kills consent.exe constantly (consent.exe is the UAC pop-up). To kill the process, you need to be an admin, but you can't be an... | 2 | 1 | 0 | For the last several weeks, I have been making a parental controls program (just for my friend and myself), in Python (it's what I know). I used CX_Freeze to get the .exe, and it works wonderfully. Everything is great... But I need a way to make the process unkillable to standard users. (just standard users. I want adm... | Windows unkillable process | 0 | 0 | 0 | 1,170 |
26,374,480 | 2014-10-15T04:28:00.000 | 0 | 0 | 1 | 1 | python,python-3.x,windows-8,admin,exe | 26,374,614 | 2 | false | 0 | 0 | Making it a service is probably the right way to go - because it is the best way to automatically launch a process with some admin rights.
I think the reason that your service wasn't able to kill other processes was due to the account used to run the service under.
A service can run as system, local service, network s... | 2 | 1 | 0 | For the last several weeks, I have been making a parental controls program (just for my friend and myself), in Python (it's what I know). I used CX_Freeze to get the .exe, and it works wonderfully. Everything is great... But I need a way to make the process unkillable to standard users. (just standard users. I want adm... | Windows unkillable process | 0 | 0 | 0 | 1,170 |
26,375,763 | 2014-10-15T06:21:00.000 | 2 | 1 | 1 | 0 | python,z3,z3py | 26,385,910 | 1 | true | 0 | 0 | Using Z3 over Python is generally pretty slow. It includes parameter checks and marshaling (_coerce_expr among others).
For scalability you will be better of using one of the other bindings or bypass the Python runtime where possible. | 1 | 4 | 0 | I am using Z3 Python bindings to create an And expression via z3.And(exprs) where exprs is a python list of 48000 equality constraints over boolean variables. This operation takes 2 seconds on a MBP with 2.6GHz processor.
What could I be doing wrong? Is this an issue with z3 Python bindings? Any ideas on how to opti... | Why is z3.And() slow? | 1.2 | 0 | 0 | 283 |
26,378,344 | 2014-10-15T08:54:00.000 | 20 | 0 | 1 | 0 | python,pip | 26,379,031 | 13 | false | 0 | 0 | Just for completeness:
pip -V
pip --version
pip list and inside the list you'll find also pip with its version. | 3 | 146 | 0 | Which shell command gives me the actual version of pip I am using?
pip gives with pip show all version of modules that are installed but excludes itself. | How to know the version of pip itself | 1 | 0 | 0 | 384,428 |
26,378,344 | 2014-10-15T08:54:00.000 | 6 | 0 | 1 | 0 | python,pip | 60,867,180 | 13 | false | 0 | 0 | Start Python and type import pip pip.__version__ which works for all python packages. | 3 | 146 | 0 | Which shell command gives me the actual version of pip I am using?
pip gives with pip show all version of modules that are installed but excludes itself. | How to know the version of pip itself | 1 | 0 | 0 | 384,428 |
26,378,344 | 2014-10-15T08:54:00.000 | 0 | 0 | 1 | 0 | python,pip | 69,206,843 | 13 | false | 0 | 0 | py -m pip --version
This worked for python version 3.9.7 | 3 | 146 | 0 | Which shell command gives me the actual version of pip I am using?
pip gives with pip show all version of modules that are installed but excludes itself. | How to know the version of pip itself | 0 | 0 | 0 | 384,428 |
26,379,658 | 2014-10-15T09:59:00.000 | 0 | 1 | 0 | 0 | python,c++ | 26,379,890 | 1 | false | 0 | 1 | I'd suggest using python's struct to pack your values in python which could be viewed as a 'struct' in c++, then send it from python to c++ using zeromq. | 1 | 0 | 0 | So I have 2 processing units, one runs on Python and the other runs of C++. The first one will generate a set of data of around 3 - 5 values, either as a list of ints or a string. I want this value to be passed to C++, what is the best method? Like do I have to create a file in python then load it in C++? or there are ... | Transmitting data from Python to C++ | 0 | 0 | 0 | 76 |
26,387,529 | 2014-10-15T16:29:00.000 | 1 | 0 | 0 | 0 | python,django | 49,406,541 | 5 | false | 1 | 0 | There is no need to reload server, but sometimes there is need to copy static files to be visible for the server.
Instead running collectstatic while developing, which copy recently edited static files (like javascript) from one directory to the directory, used by server.
here is a trick:
link source directory to beha... | 4 | 5 | 0 | By default, Django's runserver command auto reloads the server when python or template files are changed.
Is it possible to configure Django to extend its file monitoring for this purpose to other directories or sets of files, such as JavaScript or CSS files being served statically (during development)?
This would be u... | Can I configure Django runserver to reload when static or non-python files are changed? | 0.039979 | 0 | 0 | 3,709 |
26,387,529 | 2014-10-15T16:29:00.000 | 1 | 0 | 0 | 0 | python,django | 26,405,259 | 5 | false | 1 | 0 | The static files are automatically served from disk, so there is no need to reload the dev server.
But your browser has it's own cache, and is keeping some of your static files in it...
To reload it use this shortcut :
Ctrl + Shift + r
OR
Ctrl + f5
If your on mac use CMD button instead of ctrl | 4 | 5 | 0 | By default, Django's runserver command auto reloads the server when python or template files are changed.
Is it possible to configure Django to extend its file monitoring for this purpose to other directories or sets of files, such as JavaScript or CSS files being served statically (during development)?
This would be u... | Can I configure Django runserver to reload when static or non-python files are changed? | 0.039979 | 0 | 0 | 3,709 |
26,387,529 | 2014-10-15T16:29:00.000 | 0 | 0 | 0 | 0 | python,django | 26,388,429 | 5 | false | 1 | 0 | As the comments on your question say, Django always pulls the file from the filesystem on every request, so they are not cached.
However, there is a check (indjango.views.static) for the mtime of the file if the browser sends an If-Modified-Since header which is why you may be seeing 304 Not Modified.
Regardless, woul... | 4 | 5 | 0 | By default, Django's runserver command auto reloads the server when python or template files are changed.
Is it possible to configure Django to extend its file monitoring for this purpose to other directories or sets of files, such as JavaScript or CSS files being served statically (during development)?
This would be u... | Can I configure Django runserver to reload when static or non-python files are changed? | 0 | 0 | 0 | 3,709 |
26,387,529 | 2014-10-15T16:29:00.000 | 0 | 0 | 0 | 0 | python,django | 71,053,904 | 5 | false | 1 | 0 | The answer to this is YES, all you need to do is touch your settings file which will trigger a runserver reload. If all you need to do is source new static files, you don't need this, but if you need to trigger a reload for another reason, it is possible with a simple touch. | 4 | 5 | 0 | By default, Django's runserver command auto reloads the server when python or template files are changed.
Is it possible to configure Django to extend its file monitoring for this purpose to other directories or sets of files, such as JavaScript or CSS files being served statically (during development)?
This would be u... | Can I configure Django runserver to reload when static or non-python files are changed? | 0 | 0 | 0 | 3,709 |
26,388,938 | 2014-10-15T17:52:00.000 | 2 | 1 | 1 | 0 | python,c++,performance,struct,tuples | 26,389,438 | 1 | true | 0 | 0 | There's almost no relationship between a Python tuple and
a struct in C++. The elements of a tuple are neither named
nor typed, and must be accessed (in C++) through functions in
the Python C API (PyTuple_GetItem, etc.). Internally
(although you don't have access to it directly), a tuple is an
array of pointers to ob... | 1 | 0 | 0 | I would like to make use of a couple of C++ libraries from within Python to provide a Python API for scripting a C++ application. So I am wondering if there are any performance implications of passing a Python tuple in place of a C++ struct to a C++ function? Also, are the two data structures the same? If the two are t... | Are there any performance implications of passing a Python tuple in place of a C++ struct function argument? | 1.2 | 0 | 0 | 79 |
26,391,208 | 2014-10-15T20:09:00.000 | 1 | 0 | 0 | 0 | javascript,python,templates,pyramid | 26,392,168 | 1 | false | 1 | 0 | This was a red herring; the URL was wrong but the log file mentioned a missing template so I was focused in the wrong direction.
I had to get a custom redirection piece of code from one of the developers on this project and I have it working now. | 1 | 0 | 0 | I'm adding a page to a complex Pyramid-based app that uses Handlebar templates.
I need a file download URL that doesn't need a template, but the system is giving me a 404
code for missing template anyway.
How do I tell a view at configuration time "do not use a handlebar template with this one?" | Pyramid app with handlebar.js: I don't need a template for this view; how to disable? | 0.197375 | 0 | 0 | 68 |
26,393,254 | 2014-10-15T22:33:00.000 | 0 | 0 | 0 | 0 | python,matrix,scipy | 26,393,748 | 1 | false | 0 | 0 | Short answer
A positive semi-definite matrix does not have to have full rank, thus might not be invertible using the normal inverse.
Long answer
If cov does not have full rank, it does have some eigenvalues equal to zero and its inverse is not defined (because some of its eigenvalues would be infinitely large). Thus, i... | 1 | 0 | 1 | I was looking into "scipy.stats.multivariate_normal" function, there they mentioned that they are using the pseudo inverse, and pseudo determinant.
The covariance matrix cov must be a (symmetric) positive semi-definite matrix. The determinant and inverse of cov are computed as the pseudo-determinant and pseudo-inverse... | Why we calculate pseudo inverse over inverse | 0 | 0 | 0 | 239 |
26,393,540 | 2014-10-15T23:00:00.000 | 0 | 0 | 0 | 1 | python,parallel-processing,rabbitmq,celery,django-celery | 26,732,448 | 1 | false | 1 | 0 | If queuing up your tasks takes longer than the task, how about you increase the scope of the tasks so they operate on N files at a time. So instead of queuing up 1000 tasks for 1000 files. You queue up 10 tasks that operate on 100 files at a time.
Make your task take a list of files, rather than a file for input. Then ... | 1 | 0 | 0 | I'm having a major problem in my celery + rabbitmq app where queuing up my jobs is taking longer than the time for my workers to perform jobs. No matter how many machines I spin up, my queuing time will always overtake my task time.
This is because I have one celery_client script on one machine doing all the queuing (c... | The time to queue tasks in celery bottlenecks my application - how to parallelize .delay()? | 0 | 0 | 0 | 349 |
26,394,754 | 2014-10-16T01:20:00.000 | 2 | 0 | 0 | 0 | python,google-app-engine,google-oauth | 26,395,567 | 1 | true | 1 | 0 | there is no reason why generating more access tokens from refresh tokens would cause an error. existing non-expired access tokens are not invalidated when a new one is produced from the refresh token.
check your code for errors there.
also there is no way to generate a long lived access token. what you ask is how oau... | 1 | 1 | 0 | Our app uses the usual short-lived access + refresh tokens to do a bunch of background services for users. This means that every now and then the services need to refresh the tokens.
We've run into an issue where 2 services try to refresh a token at the same time, thus resulting in an invalid token.
Is there a better w... | Generate long-lived access token from short-lived one? | 1.2 | 0 | 0 | 236 |
26,399,754 | 2014-10-16T08:36:00.000 | 22 | 0 | 1 | 1 | python,virtualenv | 26,399,797 | 3 | true | 0 | 0 | You should not. The other computer can have a different operating system, other packages or package versions installed, so copying the files will not work.
The point of a virtual environment is to be able to replicate it everywhere you need it.
Make a script which installs all necessary dependencies from a requirements... | 1 | 15 | 0 | I have created an virtual environment by using virtualenv pyenv in my linux system. Now i want to use the virtual environment in another computer. Can i direct copy the virtual environment and use it in another computer? Or need i do something to set up it? | How to use python virtual environment in another computer | 1.2 | 0 | 0 | 10,942 |
26,405,171 | 2014-10-16T13:02:00.000 | 1 | 1 | 0 | 1 | python,background-process,interprocess,mod-python | 26,405,300 | 1 | false | 0 | 0 | you can use celery / redis task queue. | 1 | 0 | 0 | We're running a Linux server running Apache2 with mod_python. One mod_python script inserts an entry in a database logging table. The logging table is large can be a point of disk-write contention, or it can be temporarily unavailable during database maintenance. We would like to spin off the logging as an asynchrono... | How can you message a background process from mod_python? | 0.197375 | 0 | 0 | 76 |
26,408,871 | 2014-10-16T15:59:00.000 | 0 | 0 | 1 | 0 | python-3.x,pywin32,win32com | 28,550,799 | 1 | true | 0 | 0 | When you use com the language you are accessing it from needs the same "bittedness" as the com .dll or control. So If you have a 32-bit control or com dll you have to have a 32 bit win32com. | 1 | 0 | 0 | I've generated a win32com wrapper for a DLL and I'm trying to access it. It works except for one function called ReadPipeBytes. It works on two of my other machines but I'm using a different python version. This is the error:'' object has no attribute 'ReadPipeBytes'. I copied over the same dll to the other machine (it... | Error with accessing one fuction in pywin32 or win32com from python 3.3.5 | 1.2 | 0 | 0 | 162 |
26,409,544 | 2014-10-16T16:36:00.000 | 0 | 1 | 0 | 0 | python,python-3.x,xml,python-generateds | 26,551,274 | 1 | false | 0 | 0 | You could run generateDS to get your Python file then run, e.g.,
"2to3 -w your_python_file.py" to generate a Python 3 version of your generateDS file.
I'm went through the same process and I had luck with this. It looks to work just fine. | 1 | 0 | 0 | I have created Python classes by an XML schema file using generateDS2.12a. I am using these classes to create XML files. My module works well with a Python 2.7 environment.
Now, due to some reason my environment is changed to Python 3.0.0. Now when I try to export the XML object it is throwing me following error:
Func... | What version of generateDS is to be used for Python 3.0.0? | 0 | 0 | 1 | 866 |
26,411,303 | 2014-10-16T18:21:00.000 | 1 | 0 | 1 | 0 | python,xcode,git,github | 26,445,518 | 1 | false | 0 | 0 | IanAuld's answer sent me in the right direction and I figured out what I was doing wrong. I had been assuming that the Xcode project should be inside the directory with the git project, but that was causing problems because then git tries to track the Xcode project.
Here's what I am now doing, which seems to work:
Cre... | 1 | 2 | 0 | I am working with an existing GitHub repository and I want to create a new Xcode project from it. How can this be done?
I have previously used Xcode just as a python script editor and never created a project, but I would like to do so in this case so that I can have a special indentation style just for the files in thi... | How to create an Xcode project for an existing GitHub repository | 0.197375 | 0 | 0 | 4,537 |
26,411,571 | 2014-10-16T18:38:00.000 | 0 | 1 | 0 | 0 | python,testing,config,nose | 26,785,951 | 2 | true | 0 | 0 | I didnt have to do any of those. Just nosetests by themselves execute any test beginning with "test_....py" and make sure you use "--exe" if they are executable if not you can skip that option. The nosetests help page on wiki really helps. | 1 | 0 | 0 | I have a python script which takes a config file on command line and gives an output.
I am trying to see how I can use nosetests to run all these files.
I read through the nosetests info on google but i could not follow how to run them with the config file.
Any ideas on where I could get started? | running nose tests with a regular python script | 1.2 | 0 | 0 | 1,036 |
26,413,216 | 2014-10-16T20:21:00.000 | 3 | 0 | 0 | 0 | python,pdfminer | 43,130,993 | 2 | false | 1 | 0 | Perhaps,you could use pdfminer.six.
It's description:
fork of PDFMiner using six for Python 2+3 compatibility
After installing it using pip：
pip install pdfminer.six
The usage of it is just like pdfminer, at least in my code.
Hope this could save your day :) | 1 | 6 | 0 | Since I want to move from python 2 to 3, I tried to work with pdfmine.3kr in python 3.4. It seems like they have edited everything. Their change logs do not reflect the changes they have done but I had no success in parsing pdf with pdfminer3k. For example:
They have moved PDFDocument into pdfparser (sorry, if I spell ... | pdfminer3k has no method named create_pages in PDFPage | 0.291313 | 0 | 0 | 8,846 |
26,413,483 | 2014-10-16T20:37:00.000 | 2 | 0 | 0 | 0 | python,curl,network-programming,linkedin | 35,821,074 | 2 | false | 0 | 0 | Thanks @Anzel, but related-profile-views API allows to read past profile view, but not trigger a new view (and therefore notify the user that I visited their profile programmatically). Unless I pop up a new window and load their profile, but then I'll need a browser to do it. Ideally I wanted to achieve it via backend,... | 1 | 0 | 0 | A Linkedin friend's full profile is not viewable without login to our Linkedin account. Is it possible to use cookie or any other alternative way without a browser to do that?
Any tips are welcome! | How to use Python/Curl to access LinkedIn and view a friend's full profile? | 0.197375 | 0 | 1 | 686 |
26,413,505 | 2014-10-16T20:39:00.000 | 0 | 1 | 0 | 0 | python,c++,linux,signals,paramiko | 26,413,679 | 1 | false | 0 | 0 | The best way I can think of to do this is to run both of them in a web server. Use something like Windows Web Services for C++ or a native CGI implementation and use that to signal the python script.
If that's not a possibility, you can use COM to create COM objects on both sides, one in Python, and one in C++ to handl... | 1 | 1 | 0 | I'm working on developing a test automation framework. I need to start a process(a C++ application) on a remote linux host from a python script. I use the python module "paramiko" for this. However my c++ application takes sometime to run and complete the task assigned to it. So till the application completes processi... | Can a "C++ application signal python script on completion"? | 0 | 0 | 0 | 331 |
26,413,572 | 2014-10-16T20:43:00.000 | 1 | 0 | 1 | 1 | python,io,subprocess | 26,413,875 | 2 | true | 0 | 0 | I think you'll be fine (carefully) ignoring the warnings using Popen.stdin, etc yourself. Just be sure to process the streams line-by-line and iterate through them on a fair schedule so not to fill up any buffers. A relatively simple (and inefficient) way of doing this in Python is using separate threads for the thre... | 2 | 2 | 0 | I want to make a Python wrapper for another command-line program.
I want to read Python's stdin as quickly as possible, filter and translate it, and then write it promptly to the child program's stdin.
At the same time, I want to be reading as quickly as possible from the child program's stdout and, after a bit of mass... | Live reading / writing to a subprocess stdin/stdout | 1.2 | 0 | 0 | 439 |
26,413,572 | 2014-10-16T20:43:00.000 | 1 | 0 | 1 | 1 | python,io,subprocess | 26,413,852 | 2 | false | 0 | 0 | Disclaimer: This solution likely requires that you have access to the source code of the process you are trying to call, but may be worth trying anyways. It depends on the called process periodically flushing its stdout buffer which is not standard.
Say you have a process proc created by subprocess.Popen. proc has at... | 2 | 2 | 0 | I want to make a Python wrapper for another command-line program.
I want to read Python's stdin as quickly as possible, filter and translate it, and then write it promptly to the child program's stdin.
At the same time, I want to be reading as quickly as possible from the child program's stdout and, after a bit of mass... | Live reading / writing to a subprocess stdin/stdout | 0.099668 | 0 | 0 | 439 |
26,414,117 | 2014-10-16T21:22:00.000 | 4 | 0 | 1 | 0 | python,python-3.x,python-idle | 26,599,682 | 1 | true | 0 | 0 | To close the loop on this, based on responses received:
IDLE debugger does not support object inspection in the pop-up window
Thanks Terry Jan Reedy for putting it on list for future potential improvements. The IDLE is a big help to new Python programmers | 1 | 6 | 0 | I am new to Python. I am using the Python IDLE Debugger on Windows. Is there a way to inspect object attributes in the debugger? The debugger only shows object address/type.
A solution I tried was to create global variables and assign object attributes to them. The debugger then shows global variables. This works for ... | Object inspections in Python 3.4 IDLE debugger on Windows | 1.2 | 0 | 0 | 1,101 |
26,418,454 | 2014-10-17T05:31:00.000 | 1 | 0 | 0 | 0 | python,teradata,greenplum | 26,425,426 | 1 | false | 0 | 0 | I'm guessing the data volumes are at least moderate in size - 10's of millions or greater.
FastExport or Teradata Parallel Transport Export of the Teradata data to a
flat file or named pipe.
Ingesting using Greenplum's preferred method for bulk
loading data from a flat file or named pipe.
Other options may inclu... | 1 | 0 | 0 | I am using Python to establish a connection to greenplum and run codes automatically. For that I am using these drivers psycopg2, psycopg2.extensions & psycopg2.extras. I also have to establish a connection to Teradata and run some codes and tranfer tables from Teradata to greenplum. Can someone please suggest so... | How to tranfer data from Teradata to Greenplum using Python? | 0.197375 | 1 | 0 | 694 |
26,425,120 | 2014-10-17T12:33:00.000 | 2 | 0 | 0 | 0 | python,openerp | 26,478,950 | 2 | false | 1 | 0 | You can set access rights from Menu :
Settings --> Groups --> Access Rights tab | 2 | 0 | 0 | How to set full access to a group in my custom module in OpenErp? Now some users doesn't have access everywhere because they are filtered by domain_filters. | Openerp full access for a group | 0.197375 | 0 | 0 | 59 |
26,425,120 | 2014-10-17T12:33:00.000 | 2 | 0 | 0 | 0 | python,openerp | 26,483,435 | 2 | true | 1 | 0 | You can create an ir.model.access.csv file, and give access rights to all the objects you want for the particular user group. | 2 | 0 | 0 | How to set full access to a group in my custom module in OpenErp? Now some users doesn't have access everywhere because they are filtered by domain_filters. | Openerp full access for a group | 1.2 | 0 | 0 | 59 |
26,426,780 | 2014-10-17T14:02:00.000 | 1 | 0 | 0 | 0 | python,heroku | 26,463,868 | 1 | true | 1 | 0 | Via Heroku support:
Finding the app's name is not something currently possible to do,
sorry. The only thing you can potentially do is to analyse the
hostname requests are coming from and deduce the app's name with it. | 1 | 0 | 0 | How can I find the current apps name from python on heroku? I want to know, because I'm using the heroku button to start and instance automatically. Can it be made part of os.environ somehow? | How can I find the current apps name from python on heroku? | 1.2 | 0 | 0 | 82 |
26,428,639 | 2014-10-17T15:41:00.000 | 1 | 1 | 0 | 0 | python,functional-programming,chemistry | 29,393,699 | 2 | false | 0 | 0 | It might be helpful if you will look for a free or if possible with you a commercial software(written in python) which solves the same or a problem close to it, learn its functionality, problem solving approach and if possible obtain its source code. I find this to be helpful in many ways. | 1 | 5 | 0 | I am trying to learn python by making a simple program which generates a typical type of practice problem, organic chemistry students usually face on exams: the retro-synthesis question.
For those unfamiliar with this type of question: the student is given the initial and final species of a series of chemical reactions... | How to make a python organic chemistry retro-synthesis generator? | 0.099668 | 0 | 0 | 2,635 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.