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
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39,155,669 | 2016-08-25T22:24:00.000 | 0 | 0 | 1 | 0 | python,windows,python-2.7,pip | 57,235,242 | 9 | false | 0 | 0 | I have installed "python-2.7.16" in my windows 10 PC. PIP is installed under "C:\Python27\Scripts". One can add the "C:\Python27\Scripts" path to environment variable and then access pip command from command prompt.
To add the path in environment variable:
Control Panel\System and Security\System --> Advanced System Se... | 5 | 9 | 0 | I have Python 2.7.11 installed on my machine which to my understanding should come with pip, however when I check the C:\Python27\Tools\Scripts\ directory there is no pip.exe present.
I have tried completely removing and reinstalling Python 2.7.11 without success. Running the installer pip is set to be installed, but ... | Python 2.7.11 pip not installed | 0 | 0 | 0 | 24,089 |
39,156,092 | 2016-08-25T23:12:00.000 | 0 | 0 | 0 | 0 | python,nuke | 39,215,596 | 1 | true | 0 | 0 | According to Foundry support, it is not possible to insert knobs into existing nodes or groups. The only option is to delete and recreate the set of knobs. | 1 | 0 | 0 | The main interface for adding knobs to nodes in nuke appears to be the node.addKnob() function. The knobs are added in the order that the addKnob method is called. Is there a way to insert knobs before other knobs that have already been created? | Is it possible to insert knobs on nodes in Nuke? | 1.2 | 0 | 0 | 643 |
39,156,864 | 2016-08-26T00:55:00.000 | 0 | 0 | 1 | 0 | python,multithreading,gil | 39,157,969 | 1 | false | 0 | 0 | The GIL is a complex topic and the exact behavior in your case is hard to explain without your code. So I can not tell you if you will run into troubles in future. I can just advise to bring you project to a recent version of Python 3 if posdible. There have been many improvents made to the GIL in Python 3.
The is noth... | 1 | 0 | 0 | I have been having no problems with performance with Python's Global Interpreter Lock. I've had to make a few things thread-safe - despite common advice, the GIL does NOT automatically guarantee thread-safety - but I've got a program commonly running upwards of 10 threads, where all of them can be active at any time, i... | Having no performance problems with threading and Python's Global Interpreter Lock. Scalability? | 0 | 0 | 0 | 100 |
39,158,621 | 2016-08-26T05:05:00.000 | 3 | 0 | 1 | 0 | python,multithreading,sqlite | 39,163,285 | 2 | false | 0 | 0 | This is my issue too. SQLite using some kind of locking mechanism which prevent you doing concurrency operation on a DB. But here is a trick which i use when my db are small. You can select all your tables data into memory and operate on it and then update the original table.
As i said this is just a trick and it does ... | 2 | 2 | 0 | I am using Python with SQLite currently and wondering if it is safe to have multiple threads reading and writing to the database simultaneously. Does SQLite handle data coming in as a queue or have sort of mechanism that will stop the data from getting corrupt? | Can you have multiple read/writes to SQLite database simultaneously? | 0.291313 | 1 | 0 | 1,006 |
39,158,621 | 2016-08-26T05:05:00.000 | 2 | 0 | 1 | 0 | python,multithreading,sqlite | 39,158,655 | 2 | false | 0 | 0 | SQLite has a number of robust locking mechanisms to ensure the data doesn't get corrupted, but the problem with that is if you have a number of threads reading and writing to it simultaneously you'll suffer pretty badly in terms of performance as they all trip over the others. It's not intended to be used this way, eve... | 2 | 2 | 0 | I am using Python with SQLite currently and wondering if it is safe to have multiple threads reading and writing to the database simultaneously. Does SQLite handle data coming in as a queue or have sort of mechanism that will stop the data from getting corrupt? | Can you have multiple read/writes to SQLite database simultaneously? | 0.197375 | 1 | 0 | 1,006 |
39,160,816 | 2016-08-26T07:34:00.000 | 0 | 0 | 0 | 0 | python,web,openerp | 39,180,410 | 1 | false | 1 | 0 | There is no such thing as 'flag/state'.
What you are probably trying to say is that you want to know which operations are taking place on a record. The easiest method is to take a look at your log. There will be statements there in the form /web/dataset/call_kw/model/operation where model is your ORM model and operati... | 1 | 1 | 0 | I am new in odoo, I want to know how we get the current flag/state of every operation.
For example: when we create a new record how do we know the current flag/state is "add"? or when we view a record how do we know the current flag/state is "view"?
It something like current user id that stored in session named "uid",... | How to get the flag/state of current operation in Odoo 9? | 0 | 0 | 0 | 107 |
39,161,806 | 2016-08-26T08:30:00.000 | 0 | 0 | 0 | 0 | python,django,shopify | 39,170,945 | 1 | true | 1 | 0 | Here is the recipe:
create a Proxy in your App to accept incoming Ajax call from customer
create a form and button in customer liquid that submits to your Proxy
in the App Proxy, validate the call from Shopify and when valid, look for your form params.
open the customer record with the ID of the customer you sent alo... | 1 | 0 | 0 | I'm planning to create a simple app using Django/Python that shows a nice button when installed by the store owner on user's account.
Clicking on that button should trigger a webhook request to our servers that would send back the generated shipping address for the user.
My questions:
Is it possible to create such but... | Shopify app: adding a new shipping address via webhook | 1.2 | 0 | 0 | 256 |
39,164,943 | 2016-08-26T11:11:00.000 | 0 | 0 | 1 | 1 | python,linux,python-2.7 | 39,174,922 | 3 | false | 0 | 0 | To build on Tryph's answer, you can install that new version to your home directory, then in a directory specified within your PATH (like in .bash_profile), you can point to that directory and within there create a sym-link that points to the new python.
For instance, if you have a bin folder in your home directory tha... | 2 | 0 | 0 | There is a default python version, namely python 2.6, on the GPU server with Linux OS. Now I want to install a new python version on the server from its source, namely python 2.7. I should not change the default python version since I am not the administrator and some reason. So what should I do? | How install and use another version python(python 2.7) on linux with the default python version is python 2.6 | 0 | 0 | 0 | 115 |
39,164,943 | 2016-08-26T11:11:00.000 | 0 | 0 | 1 | 1 | python,linux,python-2.7 | 39,165,141 | 3 | false | 0 | 0 | You can install your new version of Python. It should be accessible with the python27 command (which may be a symbolic link).
Then you will just have to check that the python symbolic link still points to python26.
Doing this, python will keep on execute Python 2.6 while python27 will execute Python 2.7 | 2 | 0 | 0 | There is a default python version, namely python 2.6, on the GPU server with Linux OS. Now I want to install a new python version on the server from its source, namely python 2.7. I should not change the default python version since I am not the administrator and some reason. So what should I do? | How install and use another version python(python 2.7) on linux with the default python version is python 2.6 | 0 | 0 | 0 | 115 |
39,165,180 | 2016-08-26T11:23:00.000 | 0 | 0 | 0 | 0 | python,mks-integrity | 41,023,731 | 1 | false | 0 | 0 | I can't help you with python, but for MKS
connect to a host: IM connect --hostname=%host% --port=%port%
run query: im runquery --hostname=%host% --port=%port% %query_name%
You can see the help for each command if you just write IM command -? | 1 | 0 | 0 | I would like to create a script in Python for logging into MKS integrity and calling an already defined MKS query. Since I am a newby in programming, I was wondering if there is any script example for the task. That would be a great help for getting me started.
Thank you! | Python script for MKS integrity query | 0 | 1 | 0 | 1,411 |
39,166,725 | 2016-08-26T12:47:00.000 | 1 | 0 | 1 | 1 | python,anaconda,opensuse | 39,167,113 | 1 | true | 0 | 0 | I read the anaconda documentation, and there is no evidence of anaconda packages replacing your openSUSE packages. There isn't a reason for it to do so. If I got it right, then Conda is very similar to ruby's gem and similar tools, which definitely don't replace the installed packages. I think you can feel free to inst... | 1 | 1 | 0 | I am using openSUSE Leap 42.1 and do some data analysis work in python. Most of the python packages I use are available in the standard openSUSE repositories (e.g. obs://build.opensuse.org/devel:languages:python); however sometimes they aren't, whereas they are available in Anaconda. I would like to replace all of the ... | Switch from linux distro package manager to Anaconda | 1.2 | 0 | 0 | 280 |
39,168,025 | 2016-08-26T13:54:00.000 | 2 | 0 | 0 | 0 | python,neural-network,tensorflow,lstm | 39,177,157 | 1 | false | 0 | 0 | If you are using tf.rnn_cell.BasicLSTMCell , the variable you are looking for will have the following suffix in its name : <parent_variable_scope>/BasicLSTMCell/Linear/Matrix . This is a concatenated matrix for all the four gates. Its first dimension matches the sum of the second dimensions of the input matrix and the ... | 1 | 5 | 1 | I am using the LSTM model that comes by default in tensorflow. I would like to check or to know how to save or show the values of the forget gate in each step, has anyone done this before or at least something similar to this?
Till now I have tried with tf.print but many values appear (even more than the ones I was exp... | Tensorflow: show or save forget gate values in LSTM | 0.379949 | 0 | 0 | 1,695 |
39,168,251 | 2016-08-26T14:06:00.000 | 0 | 0 | 0 | 0 | python,sap-ase | 39,202,310 | 1 | false | 0 | 0 | You need to capture the actual SQL query text which is sent to the ASE server before conclusions can be drawn. | 1 | 0 | 0 | I have encountered a problem that I can not figure out.
I'm working on an application written in Python and a Sybase ASE database using sybpydb to communicate with the datbase.
Now I need to update a post where one of the columns in the where clause is of numeric(10) data type.
When selecting the post Python treats the... | Sybase numeric datatype and Python | 0 | 1 | 0 | 152 |
39,172,559 | 2016-08-26T18:23:00.000 | 0 | 0 | 0 | 0 | python,scipy,interpolation | 39,174,418 | 1 | false | 0 | 0 | As long as you can assume that your errors represent one-sigma intervals of normal distributions, you can always generate synthetic datasets, resample and interpolate those, and compute the 1-sigma errors of the results.
Or just interpolate values+err and values-err, if all you need is a quick and dirty rough estimate. | 1 | 0 | 1 | I have a number of data sets, each containing x, y, and y_error values, and I'm simply trying to calculate the average value of y at each x across these data sets. However the data sets are not quite the same length. I thought the best way to get them to an equal length would be to use scipy's interoplate.interp1d for ... | Python: How to interpolate errors using scipy interpolate.interp1d | 0 | 0 | 0 | 403 |
39,172,944 | 2016-08-26T18:49:00.000 | 0 | 0 | 0 | 1 | python,python-2.7,file-io,path | 39,173,233 | 1 | false | 0 | 0 | The best way to deal with this is to avoid constructing the path yourself altogether. Let os.path.join() do it for you. | 1 | 0 | 0 | I am trying to open a resource via an absolute path on my Macbook with open(file[,mode]). The resource I am trying to access is not in the same folder as the script that is running. If I use something like /Users/myname/Dev/project/resource I get an IOError: No such file or directory. Whats confusing me is that if i ad... | Absolute path in Python requiring an extra leading forward slash? | 0 | 0 | 0 | 107 |
39,173,069 | 2016-08-26T18:58:00.000 | 0 | 0 | 0 | 1 | python,python-2.7,pexpect | 39,256,145 | 1 | false | 0 | 0 | There are three ways in which this problem can be handled but none to flush the buffer
In Pexpect every send call should be matched with a call to
expect. This ensures that the file pointer has moved ahead of the
previous send.
If there is a series of send before a single expect then we need
to provide a way to move f... | 1 | 1 | 0 | I am trying to read the output of pexpect.send(cmd) but here's the problem I am facing.
I am sending many commands in a sequence and I want to read/expect after a certain set of commands. Condition is that only the output of last command is to be considered. But expect matches from the point it last read. I have tried ... | Pexpect: Read from the last send | 0 | 0 | 0 | 716 |
39,173,459 | 2016-08-26T19:26:00.000 | 1 | 0 | 1 | 1 | python,macos,python-2.7 | 39,173,554 | 1 | false | 0 | 0 | This doesn't answer the question in the post's title, but leave Python 2 as the default python. If you want to run Python 3, you run python3 or maybe python3.4 or python3.5, depending on your installation. The system and other third-party software depend on python being Python 2. If you change it, you may encounter puz... | 1 | 0 | 0 | So I installed python 2.7.11 a few months ago, now the class I'm about to take uses 3. So I installed 3 and it works fine. I also uninstalled 2.7.11 by going to applications and removing it, but going to terminal and typing which python, the directory is Library/Frameworks/Python.framework/Versions/2.7/bin/python, whic... | Remove third-party installed Python on Mac? | 0.197375 | 0 | 0 | 251 |
39,179,880 | 2016-08-27T10:07:00.000 | 1 | 1 | 0 | 0 | python,excel,csv,win32com | 39,360,812 | 1 | false | 0 | 0 | if you need to read the file frequently, I think it is better to save it as CSV. Otherwise, just read it on the fly.
for performance issue, I think win32com outperforms. however, considering cross-platform compatibility, I think xlrd is better.
win32com is more powerful. With it, one can handle Excel in all ways (e.g.... | 1 | 1 | 0 | I have this huge Excel (xls) file that I have to read data from. I tried using the xlrd library, but is pretty slow. I then found out that by converting the Excel file to CSV file manually and reading the CSV file is orders of magnitude faster.
But I cannot ask my client to save the xls as csv manually every time befor... | XLRD vs Win32 COM performance comparison | 0.197375 | 1 | 0 | 582 |
39,180,027 | 2016-08-27T10:21:00.000 | 0 | 0 | 1 | 0 | python,ide,installation,pycharm | 39,185,756 | 1 | true | 0 | 0 | Unpack the archive, go to bin folder and run .sh script. | 1 | 0 | 0 | I am a Ubuntu 16 user and I installed pycharm educational 2 at my computer.
A few days ago while starting the app I received the notification that there's am update : version 3
So I downloaded the file(.tgz) from from the developer website and tried to install the update. I can only extract the file instead of actually... | Can't *update* pycharm educational | 1.2 | 0 | 0 | 85 |
39,185,255 | 2016-08-27T20:03:00.000 | 0 | 0 | 1 | 0 | python,windows,pip | 39,185,406 | 1 | false | 0 | 0 | What you could do is create a symbolic link.
Or in your case, on windows, a shortcut.
So in your case : C:\path_to_anaconda_interpreter_in_user\Lib\site-packages would be a shortcut leading to C:\Python27\Lib\site-packages
(right click python27/lib/site-packages, click 'create shortcut' and move it into your anaconda l... | 1 | 1 | 0 | I downloaded Python2.7 a while ago to my C:\ directory. After that I downloaded pip to install packages. After that I installed the Anaconda interpreter to a different directory within my user. I prefer to use the Anaconda interpreter but every time I install a package with pip it is put in C:\Python27\Lib\site-package... | Use pip to Install to a different interpreter | 0 | 0 | 0 | 1,590 |
39,185,570 | 2016-08-27T20:42:00.000 | 11 | 0 | 0 | 1 | python,django,amazon-web-services,amazon-ec2,amazon-elastic-beanstalk | 42,735,371 | 2 | true | 1 | 0 | I've realised that the problem was that Elastic Beanstalk, for some reasons, kept the unsuccessfully deployed versions under .elasticbeanstalk. The solution, at least in my case, was to remove those temporal (or whatever you call them) versions of the application. | 1 | 18 | 0 | I'm trying to deploy a new version of my Python/Django application using eb deploy.
It unfortunately fails due to unexpected version of the application. The problem is that somehow eb deploy screwed up the version and I don't know how to override it. The application I upload is working fine, only the version number is ... | How to force application version on AWS Elastic Beanstalk | 1.2 | 0 | 0 | 10,464 |
39,187,032 | 2016-08-28T00:41:00.000 | 1 | 0 | 0 | 0 | python,django,database,django-models | 39,187,633 | 2 | false | 1 | 0 | I do not know specifically how Django people use the terms, but 'record-level operation' should mean an operation on 1 or more records while a 'table-level operation' should mean an operation of the table as a whole. I am not quite sure what an operation on all rows should be -- perhaps both, perhaps it depends on the... | 1 | 3 | 0 | While going through the documentation of django to muster the detailed knowledge, i endured the word 'table level operation' and 'record level operation'. What is the difference in between them? Could anyone please explain me this 2 word with example? Does they have other name too?
P.S I am not asking their difference... | What is the difference between table level operation and record-level operation? | 0.099668 | 0 | 0 | 471 |
39,187,958 | 2016-08-28T04:18:00.000 | 1 | 0 | 1 | 0 | python | 39,188,083 | 2 | false | 0 | 0 | You have to use : instead of > in tuples. like the answer ahsanul haque provided. thumbs up for him. | 1 | 0 | 0 | How do you select python Tuple/Dictionary values where the index is greater than some number. I would think the code should look similar to the following assuming we create a Tuple:
dt = (100, 200, 300,400)
dt[dt.index > 1] | How to select Python Tuple/Dictionary Values where Index > x | 0.099668 | 0 | 0 | 62 |
39,188,662 | 2016-08-28T06:41:00.000 | 4 | 0 | 0 | 1 | java,python,rabbitmq,celery,messaging | 39,188,804 | 1 | true | 0 | 0 | The advantage of using Celery is that we mainly need to write the task processing code and handling of task delivery delivery to the task processors is taken care of by the Celery framework. Scaling out task processing is also easy by just running more Celery workers with higher concurrency (more of processing threads/... | 1 | 0 | 0 | I am having trouble understanding what the advantage of using Celery is. I realize you can use Celery with Redis, RabbitMQ etc, but why wouldn't I just get the client for those message queue services directly rather than sitting Celery in front of it? | Celery with Redis vs Redis Alone | 1.2 | 0 | 1 | 1,102 |
39,192,386 | 2016-08-28T14:37:00.000 | 0 | 0 | 1 | 0 | python-3.x,documentation,pydoc | 40,321,643 | 1 | true | 0 | 0 | On Mac Os they are located at
/Library/Frameworks/Python.framework/Versions/3.5/Resources/English.lproj/Documentation/index.html | 1 | 2 | 0 | I downloaded and installed python 3 from the official website for Mac Os.
In the setup there was a checkmark for the docs.
This package installs the python documentation at a location that is
useable for pydoc and IDLE.
However I cannot locate it.
How can I open the docs or where are they located? | How to open the python documentation? | 1.2 | 0 | 0 | 134 |
39,197,579 | 2016-08-29T02:03:00.000 | 0 | 0 | 0 | 0 | python,tkinter,widget,transparent,python-3.5 | 42,109,832 | 2 | false | 0 | 1 | It is anyway not possible to do so (without canvas), but if you really need it here's a hack:
Go to paint
Open the image you want and type in the text on it in whatever colour or font you want
Set this image as your background in the frame that you want
You can then add whatever buttons you want and place them whereve... | 2 | 2 | 0 | I'm looking to add an image in the background of a Text widget in tkinter, but as far as I'm concerned, that is not possible. So, to work around this, I'm wondering if it is possible to make the background of a Text widget transparent.
Thanks in advance. | Make the background of 'Text' widget in tkinter transparent | 0 | 0 | 0 | 1,618 |
39,197,579 | 2016-08-29T02:03:00.000 | 1 | 0 | 0 | 0 | python,tkinter,widget,transparent,python-3.5 | 39,197,855 | 2 | true | 0 | 1 | No, it is not possible to make the background of the text widget transparent. | 2 | 2 | 0 | I'm looking to add an image in the background of a Text widget in tkinter, but as far as I'm concerned, that is not possible. So, to work around this, I'm wondering if it is possible to make the background of a Text widget transparent.
Thanks in advance. | Make the background of 'Text' widget in tkinter transparent | 1.2 | 0 | 0 | 1,618 |
39,204,331 | 2016-08-29T10:44:00.000 | 11 | 0 | 1 | 1 | python,python-3.x,unix,gdb | 52,784,903 | 2 | false | 0 | 0 | Actually peda-gdb doesn't really install any executable in your computer.
All the peda-gdb does is to modify the config file of gdb.
This file is by default located at ~/.gdbinit.
use cat ~/.gdbinit can you peek how does peda do
Therefore, to go back to vanilla gdb, there are 2 solutions
gdb --nx
This is a better w... | 2 | 4 | 0 | While learning debugging,I somehow went into installing gdb and then gdb-peda.But now, I would like to uninstall gdb-peda.Can anyone pls guide me ? | How to remove/disable gdb-peda in ubuntu | 1 | 0 | 0 | 7,074 |
39,204,331 | 2016-08-29T10:44:00.000 | 2 | 0 | 1 | 1 | python,python-3.x,unix,gdb | 42,280,176 | 2 | false | 0 | 0 | You can remove the Peda folder, should be somewhere in your Home directory. After that you should have your old gdb back. | 2 | 4 | 0 | While learning debugging,I somehow went into installing gdb and then gdb-peda.But now, I would like to uninstall gdb-peda.Can anyone pls guide me ? | How to remove/disable gdb-peda in ubuntu | 0.197375 | 0 | 0 | 7,074 |
39,210,668 | 2016-08-29T16:11:00.000 | 0 | 0 | 0 | 0 | python,django,admin | 39,212,494 | 4 | false | 1 | 0 | This can't be done at least cleanly via templates..
You can put the auth app verbose name "authentication and authorization" in your own .po file (& follow Django docs on translation)
This way Django will normally use your name. | 1 | 3 | 0 | I'm learning python/Django and setting up my first project. All is going well but I've been searching like crazy on something very simple.
There is a default menu item "Authentication and Authorization" and I want to change the name. I've searched in the template if I need to extend something, I've searched if there's ... | Change name of the "Authentication and Authorization" menu in Django/python | 0 | 0 | 0 | 2,299 |
39,212,117 | 2016-08-29T17:43:00.000 | 1 | 0 | 1 | 0 | python,jupyter | 40,406,124 | 2 | false | 0 | 0 | Another option which requires less mouse movement and clicks than JGreenwell's answer, especially if you prefer accomplishing this with speedy keyboard work like I would:
Click in cell #1
Select all code (Ctrl+A)
Comment-out code (Ctrl+/)
Go to next cell (Shift+Enter) -- will execute cell, but is meaningless since all... | 1 | 2 | 0 | Say I have a jupyter nootebook with 200 cells.
how to run from 5th cell to 100th cell, without running other part of the notebook?
Now I commend out 101th-200th and 1st-4th cell. I'm sure it is not the best practise. | how to run jupyter notebook from 5th cell to 100th cell, without running other part of the notebook? | 0.099668 | 0 | 0 | 935 |
39,212,632 | 2016-08-29T18:18:00.000 | 1 | 0 | 1 | 0 | python,python-2.7,python-3.x | 39,213,600 | 4 | false | 0 | 0 | Because the default parameter in print is \n for the end,
though if you pass parameter for print end variable as \t or space , then you can see the same !
But it works 2.7 and above! | 1 | 1 | 0 | Just typing print only gives newline in python. Typing print without the brackets in 3.x will also gives a newline. Why? | Why print command gives a new line even though there is no data to print | 0.049958 | 0 | 0 | 186 |
39,215,155 | 2016-08-29T21:02:00.000 | 2 | 0 | 1 | 0 | python,windows,cython,appveyor | 39,215,388 | 2 | true | 0 | 0 | The typical case in my experience is where you've managed to grab a value from unallocated or unaligned storage -- in short, a memory usage error that finesses the compiler's ability to detect such abuse. Normally, you get a garbage value; the print statement forces an evaluation or memory alignment that "fixes" the p... | 1 | 1 | 0 | I have an application that's written in a combination of Python and Cython. I recently added a new feature and tests to this application. The tests pass on my local machine (a macbook), but when I push to appveyor (a Windows CI service) the tests fail. This in itself is not so strange. When I add print statements t... | Adding print statements to cython code affects output | 1.2 | 0 | 0 | 486 |
39,215,404 | 2016-08-29T21:20:00.000 | 1 | 1 | 1 | 0 | python,arduino,processing,firmata,pyprocessing | 40,960,308 | 1 | true | 0 | 0 | You'll have to place the library in question inside your sketch folder. Python Mode doesn't use your system python, and cannot see any of the modules installed there. | 1 | 0 | 0 | The following code produces an error message in the Processing IDE:
from pyfirmata import Arduino,util
"No module named pyfirmata"
I have no problem running the code directly in the python 2.7 interpreter.
But, I can't access the Processing API from the interpreter. | Can't access pyFirmata from Processing.py | 1.2 | 0 | 0 | 177 |
39,217,582 | 2016-08-30T01:39:00.000 | 0 | 0 | 0 | 1 | python,terminal,directory | 39,286,424 | 1 | false | 0 | 0 | Try to use autocompletion on TAB key press — maybe names contain some whitespace (less probably)
Check ls -l output — maybe these directories are just broken symbolic links | 1 | 0 | 0 | the directory /Library/Frameworks/Python.framework/ contains the following four elements:
Headers Python Resources Versions
When I try to cd into either Headers, Python or Resources (e.g. cd Resources), I get an error message telling me that the element does not exist (e.g.: "-bash: cd: Resources: No such file or di... | -bash: cd: Resources: No such file or directory | 0 | 0 | 0 | 729 |
39,217,618 | 2016-08-30T01:45:00.000 | 0 | 0 | 1 | 0 | python,matlab,dictionary,struct | 39,229,405 | 1 | false | 0 | 0 | So python -> MATLAB is a bit tricky with dictionaries/structs because the type of object that MATLAB is expecting is a dictionary object where each key is a single variable you want from python as a simple data type (array,int, etc). It doesn't like having nested dictionaries.
I recommend
1: Store each dictionary s... | 1 | 0 | 1 | I have a function in Python that outputs a dict. I run this function into MATLAB and save the output to a parameter (say tmp) which is a dict of nested other dicts itself. Now I want to convert this file into a useful format such as structure.
To elaborate: tmp is a dict. data = struct(tmp) is a structure but the field... | Convert Python dict files into MATLAB struct | 0 | 0 | 0 | 1,329 |
39,217,639 | 2016-08-30T01:50:00.000 | 1 | 0 | 1 | 0 | python | 39,217,670 | 7 | false | 0 | 0 | You can do your list comprehension logic with tuples and then flatten the resulting list:
[n for pair in [(x, x+1) for x in [1,5,7]] for n in pair] | 2 | 5 | 0 | For example,
how to convert [1, 5, 7] into [1,2,5,6,7,8] into python?
[x, x+1 for x in [1,5,7]] can't work for sure... | How to convert a list by mapping an element into multiple elements in python? | 0.028564 | 0 | 0 | 93 |
39,217,639 | 2016-08-30T01:50:00.000 | 0 | 0 | 1 | 0 | python | 39,217,679 | 7 | false | 0 | 0 | If you just want to fill the list with the numbers between the min and max+1 values you can use [i for i in range (min(x),max(x)+2)] assuming x is your list. | 2 | 5 | 0 | For example,
how to convert [1, 5, 7] into [1,2,5,6,7,8] into python?
[x, x+1 for x in [1,5,7]] can't work for sure... | How to convert a list by mapping an element into multiple elements in python? | 0 | 0 | 0 | 93 |
39,217,946 | 2016-08-30T02:34:00.000 | 0 | 0 | 1 | 0 | python | 39,218,048 | 2 | false | 0 | 0 | Yes, this is perfectly normal for any beginner.
What you need to do is just continue doing what you are doing.
The beginning will be difficult learning curve so aim for more beginner/basic level questions (i.e.: beginner level online challenges).
Develop plenty of your own programs for fun and whenever you get stuck as... | 1 | 0 | 0 | So I'v been learning how to program for about a month now. I just finished reading 'Invent your own games with python'. Before the book I had never seen a line of code. After reading the book I'm able to read code and understand what's going on. But that's about it. I got the syntax down and can use all the flow statem... | Just being Curious | 0 | 0 | 0 | 56 |
39,218,109 | 2016-08-30T02:57:00.000 | 0 | 0 | 1 | 0 | python,directory,cwd | 39,218,124 | 3 | false | 0 | 0 | If the user enters the complete file path with the directory, you can parse it (using sys.path) and then os.chdir() there. | 1 | 0 | 0 | Let's say the program asks the user for a file name to read and then a file to write the processed data into.
Is there a way to get the directory of the needed file so the program can alter the current directory to use it? Or is there another way to access that file? | Import files not in the current working directory | 0 | 0 | 0 | 201 |
39,218,263 | 2016-08-30T03:20:00.000 | 0 | 0 | 0 | 1 | linux,python-3.x,twisted,fedora | 39,235,093 | 3 | false | 0 | 0 | To get the latest version of Twisted requires Python 2.7+ because 2.6 support has finally been EOL. So if you're running an old Python, then I'd suggest you build your own Python 2.7+ and alt install it. It's very important you don't override CentOS's default Python as this could lead to a disastrous situation. Once... | 2 | 0 | 0 | Is there a source tarball of Twisted available for download which could be used to build it in Fedora or CentOS? I see the download for Ubuntu/Debian on the site, of course. | Twisted setup in Fedora or CentOS | 0 | 0 | 0 | 450 |
39,218,263 | 2016-08-30T03:20:00.000 | 0 | 0 | 0 | 1 | linux,python-3.x,twisted,fedora | 39,620,252 | 3 | false | 0 | 0 | You can use python pip to install twisted in centos or fedora.
Make sure you have python-pip installed then just do sudo pip install twisted in terminal | 2 | 0 | 0 | Is there a source tarball of Twisted available for download which could be used to build it in Fedora or CentOS? I see the download for Ubuntu/Debian on the site, of course. | Twisted setup in Fedora or CentOS | 0 | 0 | 0 | 450 |
39,219,761 | 2016-08-30T05:58:00.000 | 3 | 0 | 0 | 0 | python,ssh,pycharm,interpreter | 39,244,970 | 1 | true | 0 | 0 | I've found a solution, the environment variables (including python path) should be defined from pycharm: Run/Debug configurations-> Environment variables. Pycharm won't use bashrc paths. | 1 | 2 | 0 | I am trying to run my code in the server using ssh remote interpreter.
The connection and the deployment work but when I want to import libraries located in the server it gives an import error
ssh://***@****.com:22/usr/bin/python -u
/home//main.py Traceback
(most recent call last): File
"/home//main.py", line ... | Import error with remote interpreter in pycharm | 1.2 | 0 | 0 | 2,436 |
39,221,697 | 2016-08-30T07:47:00.000 | 0 | 1 | 0 | 1 | python-2.7,ldap,openldap | 39,302,136 | 2 | false | 0 | 0 | It's an operational attribute, so you have to request it explicitly, or include "+" in the attributes to be returned.
However you should not be using this for your own purposes. It's none of your business. It can change across backup/restore, for example. | 1 | 0 | 0 | I am trying to retrieve internal attributes from openldap server. More specifically I need to retrieve entryUUID attribute of an object. In LDAP, objectGUID is being fetched from server but couldn't retrieve similar field from openldap.
SCOPE_SUBTREE is being used to retrieve attributes.
Anyone knows way out? Thanks in... | Retrieve Internal attributes(entryUUID) from openldap server | 0 | 0 | 0 | 2,194 |
39,221,915 | 2016-08-30T07:58:00.000 | 0 | 0 | 1 | 0 | python | 39,244,597 | 2 | false | 0 | 0 | Since you get something from disk, you open a file. So, you could use the class with the with "function" of python.
You should check the context managers. With that, you will be able to implement the functionality that you want each time that someone access the config file through the __enter__ method and (if it is ne... | 1 | 0 | 0 | I am writing a Python app which will use a config file, so I am delegating the control of the config file to a dedicated module, configmanager, and within it a class, ConfigManager.
Whenever a method within ConfigManager is run, which will change my config file in some way, I will need to get the latest version of the ... | Python classes - run method when any other method is called | 0 | 0 | 0 | 1,599 |
39,222,209 | 2016-08-30T08:16:00.000 | 2 | 0 | 1 | 0 | windows,python-3.x,dll,pygame,usb | 39,222,282 | 1 | true | 0 | 0 | If you installed python on your home PC "for all users" the .dll is in the c:\windows\system32\ (or equivalent).
Copy it to your USB drive folder or reinstall python "just for me" on the USB drive so it contains everything in one place. | 1 | 2 | 0 | I want to run python3 on our school computers (under Windows) during our programming classes. I installed python 3.1 onto a USB flash drive at home (using Windows), and brought it to school. However, it gives me the following error:
The program can't start because python31.dll is missing from your computer. Try reinst... | Running python3 from a usb drive (portably) | 1.2 | 0 | 0 | 1,856 |
39,233,347 | 2016-08-30T17:09:00.000 | 0 | 0 | 0 | 0 | python,django,model-view-controller,permissions | 39,233,603 | 1 | false | 1 | 0 | You could write your own decorator for this.
Or use django.contrib.auth.decorators.user_passes_test(your_test_func) to create a custom decorator.
In both cases, have a look at the source code of the permission_required decorator in the above module. | 1 | 3 | 0 | For my view, I am checking the permission through the @permission_required decorator but I really wish to check for "either" permission A or permission B. so if user has at least one of two permissions, the view is execute...
Is there a way to do this? | Check django permission or operator? | 0 | 0 | 0 | 594 |
39,235,274 | 2016-08-30T19:05:00.000 | 1 | 0 | 0 | 0 | python,google-cloud-dataflow,apache-beam | 39,255,667 | 1 | false | 0 | 0 | While this isn't part of the base distribution, this is something you could implement by processing these elements and sorting them as part of a global window before writing out to a file, with the following caveats:
The entire contents of the window would need to fit in memory, or you would need to chunk up the file ... | 1 | 4 | 1 | I'm using beam to process time series data over overlapping windows. At the end of my pipeline I am writing each element to a file. Each element represents a csv row and one of the fields is a timestamp of the associated window. I would like to write the elements in order of that timestamp. Is there a way to do this us... | In python apache beam, is it possible to write elements in a specific order? | 0.197375 | 0 | 0 | 998 |
39,235,868 | 2016-08-30T19:42:00.000 | 3 | 1 | 1 | 0 | python,multithreading,embedded,pyserial | 39,236,047 | 1 | true | 0 | 0 | So, ultimately you're looking for advice on how to debug this sort of time dependent problem.
Somehow, state is getting created somewhere in your computer, your python process, or the microcontroller that affects things. (It's also theoretically possible that an external environmental factor is affecting things. As a... | 1 | 2 | 0 | I am not expecting a code here, but rather to pick up on knowledge of the folks out there.
I have a python code - which uses pyserial for serial communication with an Micro Controller Unit(MCU). My MCU is 128byte RAM and has internal memory. I use ser.write command to write to the MCU and MCU responds with data - I re... | Pyserial - Embedded Systems | 1.2 | 0 | 0 | 252 |
39,236,025 | 2016-08-30T19:53:00.000 | 0 | 1 | 0 | 1 | python,linux,installation,hdf5 | 67,224,754 | 4 | false | 1 | 0 | For Centos 8, I got the below warning message :
Warning: Couldn't find any HDF5 C++ libraries. Disabling HDF5 support.
and I solved it using the command :
sudo yum -y install hdf5-devel | 1 | 6 | 0 | I want to use h5py which needs libhdf5-dev to be installed. I installed hdf5 from the source, and thought that any options with compiling that one would offer me the developer headers, but doesn't look like it.
Anyone know how I can do this? Is there some other source i need to download? (I cant find any though)
I am o... | how to install libhdf5-dev? (without yum, rpm nor apt-get) | 0 | 0 | 0 | 20,706 |
39,237,180 | 2016-08-30T21:13:00.000 | 1 | 0 | 1 | 0 | python | 39,237,267 | 1 | true | 0 | 0 | The tuple you receive from sys.exc_info() can safely be passed to and used from other threads, even after the death of the thread the tuple came from. The references from the tuple keep things like stack state alive even when the thread is dead.
(You won't be able to access the tuple as sys.exc_info() from other thread... | 1 | 0 | 0 | Supposing I catch an exception inside a thread and store exc_info tuple somewhere. Then thread finishes. Is my exc_info content still accessible and correct, so I can interpret it later in other thread? | Is result of sys.exc_info() "stable" when its origin thread finishes? | 1.2 | 0 | 0 | 23 |
39,237,729 | 2016-08-30T21:58:00.000 | 1 | 0 | 1 | 0 | emacs,ipython | 39,353,949 | 1 | true | 0 | 0 | With python-mode.el the behaviour is controlled by customizable variable py-split-window-on-execute.
For changes on the fly exist commands py-split-window-on-execute-off, py-split-window-on-execute-on | 1 | 0 | 0 | When I launch ipython in emacs, it rearranges all the windows. I find this annoying. Yet experimentation with my .emacs file yielded no solution. Where should I look? What should I suspect? What can I query? | Launching ipython in emacs undesireably moves my windows | 1.2 | 0 | 0 | 17 |
39,241,151 | 2016-08-31T05:06:00.000 | 1 | 0 | 0 | 0 | python,django,discourse | 39,243,456 | 1 | true | 1 | 0 | That sounds plausible. To make sure a user is logged in to both, you may put one of the auths in front of the other. For example, if discourse is in front of Django, you can use something like the builtin RemoteUserMiddleware.
In general, if they are going to be hosted on different domains, take a look at JWT. It has ... | 1 | 2 | 0 | I need a modern looking forum solution that is self hosted (to go with a django project)
The only reasonable thing I can see using is discourse, but that gives me a problem... How can I take care of auth between the two? It will need to be slightly deeper than just auth because I will need a few User tables in my djang... | How would Auth work between Django and Discourse (working together) | 1.2 | 0 | 0 | 696 |
39,241,643 | 2016-08-31T05:47:00.000 | 1 | 0 | 1 | 0 | python,pdf-generation,importerror | 60,907,464 | 10 | false | 0 | 0 | I had the same issue and fixed it when switching Python compiler (bottom left corner on Visual Studio Code) . Try on different versions and eventually it should work. | 4 | 27 | 0 | I use Spyder, with Python 2.7, on a windows 10. I was able to install the PyPDF2 package with a conda command from my prompt. I said installation complete. Yet, If I try to run a simple import command:
import PyPDF2
I get the error:
ImportError: No module named PyPDF2
How can I fix this? | "no module named PyPDF2" error | 0.019997 | 0 | 0 | 90,897 |
39,241,643 | 2016-08-31T05:47:00.000 | 0 | 0 | 1 | 0 | python,pdf-generation,importerror | 71,316,431 | 10 | false | 0 | 0 | I encountered the same issue today while doing Udemy course.
try the following:
type this
import sys
!{sys.executable} -m pip install PyPDF2
then
import PyPDF2
Hope it works for you too. | 4 | 27 | 0 | I use Spyder, with Python 2.7, on a windows 10. I was able to install the PyPDF2 package with a conda command from my prompt. I said installation complete. Yet, If I try to run a simple import command:
import PyPDF2
I get the error:
ImportError: No module named PyPDF2
How can I fix this? | "no module named PyPDF2" error | 0 | 0 | 0 | 90,897 |
39,241,643 | 2016-08-31T05:47:00.000 | 31 | 0 | 1 | 0 | python,pdf-generation,importerror | 48,355,361 | 10 | false | 0 | 0 | In my case, I was trying to import 'pyPdf2' instead of 'PyPDF2'. Observe the case.
import PyPDF2
is correct. | 4 | 27 | 0 | I use Spyder, with Python 2.7, on a windows 10. I was able to install the PyPDF2 package with a conda command from my prompt. I said installation complete. Yet, If I try to run a simple import command:
import PyPDF2
I get the error:
ImportError: No module named PyPDF2
How can I fix this? | "no module named PyPDF2" error | 1 | 0 | 0 | 90,897 |
39,241,643 | 2016-08-31T05:47:00.000 | 6 | 0 | 1 | 0 | python,pdf-generation,importerror | 45,600,015 | 10 | false | 0 | 0 | I had this problem too when I tried to import PyPDF2 like this:
sudo apt-get install python-pypdf2
When running some simple script with import PyPDF2, I would get an error like this:
ImportError: No module named PyPDF2
The solution was to also install pdfmerge, like this:
pip install pdfmerge | 4 | 27 | 0 | I use Spyder, with Python 2.7, on a windows 10. I was able to install the PyPDF2 package with a conda command from my prompt. I said installation complete. Yet, If I try to run a simple import command:
import PyPDF2
I get the error:
ImportError: No module named PyPDF2
How can I fix this? | "no module named PyPDF2" error | 1 | 0 | 0 | 90,897 |
39,243,626 | 2016-08-31T07:45:00.000 | 0 | 0 | 0 | 0 | php,python,mysql,database | 39,244,221 | 1 | true | 0 | 0 | No, it is not possible to call external scripts from MySQL.
The only thing you can do is adding an ON UPDATE trigger that will write into some queue. Then you will have the python script POLLING the queue and doing whatever it's supposed to do with the rows it finds. | 1 | 1 | 0 | I want to execute script(probably written in python), when update query is executed on MySQL database. The query is going to be executed from external system written in PHP to which I don't have access, so I can't edit the source code. The MySQL server is installed on our machine. Any ideas how I can accomplish this, o... | Executing script when SQL query is executed | 1.2 | 1 | 0 | 54 |
39,244,082 | 2016-08-31T08:09:00.000 | 1 | 0 | 1 | 0 | python-2.7,multiprocessing | 39,244,140 | 2 | false | 0 | 0 | If these processes are independent then something like this is not possible. At least not without some additional mechanisms like sockets (which greatly increases complexity).
If these are created via multiprocessing and my_list is just a list then each process will have its own copy of the list.
Again in multiprocessi... | 1 | 1 | 0 | Let's say that I have an empty list my_list and 5 processes pr1, pr2, pr3, pr4, pr5, where each of them appends something to my list.
My question is : Is something like this possible? And will it behave normaly or an error will occur? | Mutual list in multiple processes | 0.099668 | 0 | 0 | 57 |
39,249,639 | 2016-08-31T12:26:00.000 | 1 | 0 | 0 | 0 | python,arrays,datetime,numpy,multidimensional-array | 40,301,138 | 2 | false | 0 | 0 | Posting the psuedo solution I used:
The problem here is the lack of date-time indexing for 3d array data (i.e. satillite, radar). Whilst there is time series functions in pandas there is not for arrays (as far as i'm aware).
This solution was possible because the data files I use have date-time in the name e.g. '20040... | 1 | 1 | 1 | Is there a way to index a 3 dimensional array using some form of time index (datetime etc.) on the 3rd dimension?
My problem is that I am doing time series analysis on several thousand radar images and I need to get, for example, monthly averages. However if i simply average over every 31 arrays in the 3rd dimension it... | python 3D numpy array time index | 0.099668 | 0 | 0 | 949 |
39,251,079 | 2016-08-31T13:31:00.000 | 1 | 1 | 0 | 0 | python,raspberry-pi3 | 39,251,247 | 2 | false | 0 | 0 | Because of Pi3's BT/wifi support Power LED is controlled directly from the GPU through a GPIO expander.
I believe that there's no way to do what you want | 1 | 2 | 0 | How to read the status of the Power-LED (or the rainbow square - if you like that better) on Raspberry Pi 3 to detect an low-voltage-condition in a python script? Since the wiring of the Power-LED has changed since Raspberry Pi 2, it seems that GPIO 35 cannot longer be used for that purpose.
Update:
Since it seems to ... | How to read the status of the Power-LED on Raspberry Pi 3 with Python | 0.099668 | 0 | 0 | 3,791 |
39,251,169 | 2016-08-31T13:35:00.000 | 1 | 0 | 1 | 0 | python,multithreading,mpi,mpi4py | 39,260,892 | 1 | false | 0 | 0 | You do not need to implement any hardcore idea. mpiexec is already spawning process for you. Assuming your using the pudb Python debugger you could do the following:
mpiexec -np 4 xterm -e python2.7 -m pudb.run helloword.py
The -e option of xterm is specifying which program xterm is going to execute.
PS: I have not tes... | 1 | 0 | 0 | To use mpi4py, the standard approach is to use mpiexec to start a program using multiple MPI processes. For example mpiexec -n 4 python3.5 myprog.py.
Now, that makes debugging difficult, because one can not straight-forwardly use the Python interpreter plus maybe an IDE debugger using the Python interpreter. However, i... | mpi4py: Spawn processes as Python threads for easier debugging | 0.197375 | 0 | 0 | 1,007 |
39,253,346 | 2016-08-31T15:15:00.000 | 2 | 0 | 0 | 1 | apache-kafka,message-queue,messaging,kafka-python | 39,254,261 | 1 | true | 0 | 0 | Consumer group will take some times to contact group coordinator and get assigned partitions automatically during the delay.
If you use manual assignment, you will get less delay. | 1 | 0 | 0 | I have written a worker service to consume messages from a Kafka queue, and I have also written a test script to add messages to the queue every few seconds.
What I have noticed is that often the consumer will sit by idle for minutes at a time, while messages are being added to the queue. Then suddenly the consumer wil... | Why is there a delay between writing to and reading from Kafka queue? | 1.2 | 0 | 0 | 276 |
39,256,378 | 2016-08-31T18:13:00.000 | 0 | 0 | 1 | 0 | python,python-3.x,bpy | 39,298,240 | 1 | false | 0 | 0 | Found the error:
the pyd file was compiled with a 32 bit Python, was called with a 64 bit Python | 1 | 0 | 0 | I could not get a working example of importing a compiled library (pyd file) in Python.
I compiled the blender source code, result is a bpy.pyd file.
This file is placed in the python\lib folder.
In the source code I have
import bpy
The file is found at runtime, but I get a runtime error that the module could not be i... | How to Import compiled libs (pyd) in python | 0 | 0 | 0 | 703 |
39,256,913 | 2016-08-31T18:47:00.000 | 0 | 0 | 1 | 0 | python,ipython,jupyter-notebook,plotly | 56,981,228 | 3 | false | 0 | 0 | I also meet this annoying issue. I find no way to reveal them on the notebook, but I find a compromise way to display them on an html page that is File -> Print Preview. | 1 | 8 | 1 | When I create a notebook with plotly plots, save and reopen the notebook, the plots fail to render upon reopening - there are just blank blocks where the plots should be. Is this expected behavior? If not, is there a known fix? | Plotly + iPython Notebook - Plots Disappear on Reopen | 0 | 0 | 0 | 1,438 |
39,257,126 | 2016-08-31T19:01:00.000 | 1 | 0 | 0 | 0 | python,listbox,wxpython | 39,257,327 | 1 | false | 0 | 1 | Put your instances in a list
Use GetSelection to retrieve the index of the item you selected from the listbox
Get the corresponding instance from that index in the list | 1 | 0 | 0 | I am building a wxpython project, I have a list of elements that are a class instances. Each of this elements has an attribute title. In a ListBox I want to display only the titles, and when the title selected, after we GetSelection from listbox, the instance should be returned and not just the title. Is this achievabl... | WxPython, How to fill ListBox with class attributes | 0.197375 | 0 | 0 | 38 |
39,257,759 | 2016-08-31T19:42:00.000 | 0 | 0 | 1 | 0 | python,regex,format,expression | 39,257,814 | 5 | false | 0 | 0 | For the letter use [a-zA-Z], and if it's only upper case then [A-Z] is sufficient. | 2 | 2 | 0 | I need to match things that format something along the lines of
657432-76, 54678-01, 54364A-12
I got (r'^\d{6}-\d{2}$')
and (r'^\d{5}-\d{2}$')
but how do you get the letter?
thanks!! | Regular Expression with letter | 0 | 0 | 0 | 47 |
39,257,759 | 2016-08-31T19:42:00.000 | 0 | 0 | 1 | 0 | python,regex,format,expression | 39,257,845 | 5 | false | 0 | 0 | it seems the pattern generically is 6 characters with possible letter or number at last char max then - then 2 numbers? so then you'd use this pattern
pattern = r'^d{5}.+-\d{2}$' | 2 | 2 | 0 | I need to match things that format something along the lines of
657432-76, 54678-01, 54364A-12
I got (r'^\d{6}-\d{2}$')
and (r'^\d{5}-\d{2}$')
but how do you get the letter?
thanks!! | Regular Expression with letter | 0 | 0 | 0 | 47 |
39,257,857 | 2016-08-31T19:48:00.000 | 3 | 0 | 1 | 0 | python,multithreading,cpu | 39,257,984 | 1 | true | 0 | 0 | The question is very complex, because on the same CPU there can be an arbitrary number of others threads running, from processes that are not under your control.
Instead, you can estimate when a certain piece of code worth to be executed by a separate thread, based on the time needed to create a new thread. | 1 | 2 | 0 | I am beginning to appreciate the usefulness of the threading library on python and I was wondering what was the optimal number of threads to keep open in order to maximise the efficiency of the script I am running.
Please do keep in mind that my one and only priority is speed, I don't need to multitask /do other stuff... | CPU cores, treads and optimal number of workers - python threading | 1.2 | 0 | 0 | 1,450 |
39,261,395 | 2016-09-01T01:28:00.000 | 0 | 0 | 0 | 1 | mariadb,python-idle | 39,261,467 | 1 | false | 0 | 0 | IDLE is in the python-tools package. | 1 | 0 | 0 | Python community. I am looking for a Red Enterprise Linux 7 version of IDLE - Python GUI. The only version I have found are for Windows and Mac. I will be using it to test and build an API to tie in with http. | idle-python for RHEL 7 | 0 | 0 | 0 | 68 |
39,268,717 | 2016-09-01T10:11:00.000 | 0 | 0 | 1 | 0 | python | 39,270,661 | 3 | false | 0 | 0 | Python has a lot off stuff. The very basics you can learn on codecademy.com.
On python-course.org you have some more advanced topics.
If you want to learn something specific you should look on the official python documentation.
Overal I don't think you want to use anaconda. It is better to just install the modules w... | 1 | 0 | 0 | newbie here. I'm using python (3) on my mac, and although I'm able to write some (basic) scripts, I realise I have lots of confusion around where python is stored, the famous usr/bin directory, where packages are saved, etc.
For example I had pip installed and working fine, but then I installed miniconda and all of a s... | python installations, directories and environments - good resource to understand the basics | 0 | 0 | 0 | 35 |
39,273,012 | 2016-09-01T13:34:00.000 | 1 | 0 | 0 | 0 | python,pandas | 39,273,086 | 2 | false | 0 | 0 | Instead of writing a CSV output which you have to re-parse, you can write and read the pandas.DataFrame in efficient binary format with the methods pandas.DataFrame.to_pickle() and pandas.read_pickle(), respectively. | 1 | 0 | 1 | I currently have several python pandas scripts that I keep separate because of 1) readability, and 2) sometimes I am interested in the output of these partial individual scripts.
However, generally, the CSV file output of one of these scripts is the CSV input of the next and in each I have to re-read datetimes which i... | Suggestions to handle multiple python pandas scripts | 0.099668 | 0 | 0 | 66 |
39,274,850 | 2016-09-01T14:54:00.000 | 1 | 1 | 0 | 0 | python,django,testing,rpc,spyne | 39,275,854 | 1 | false | 1 | 0 | I believe if you are using a service inside a test, that test should not be a unit test.
you might want to consider use factory_boy or mock, both of them are python modules to mock or fake a object, for instance, to fake a object to give a response to your rpc call. | 1 | 1 | 0 | I am currently learning building a SOAP web services with django and spyne. I have successfully tested my model using unit test. However, when I tried to test all those @rpc functions, I have no luck there at all.
What I have tried in testing those @rpc functions:
1. Get dummy data in model database
2. Start a server a... | How to test RPC of SOAP web services? | 0.197375 | 0 | 0 | 458 |
39,280,278 | 2016-09-01T20:21:00.000 | 0 | 0 | 0 | 0 | python,pandas | 39,280,341 | 2 | false | 0 | 0 | data[c] does not return a value, it returns a series (a whole column of data).
You can apply the strip operation to an entire column df.apply. You can apply the strip function this way. | 1 | 0 | 1 | I'm trying to remove spaces, apostrophes, and double quote in each column data using this for loop
for c in data.columns:
data[c] = data[c].str.strip().replace(',', '').replace('\'', '').replace('\"', '').strip()
but I keep getting this error:
AttributeError: 'Series' object has no attribute 'strip'
data is the dat... | Pandas - how to remove spaces in each column in a dataframe? | 0 | 0 | 0 | 5,363 |
39,281,149 | 2016-09-01T21:30:00.000 | 0 | 0 | 0 | 0 | python,matrix,equation-solving | 39,290,812 | 2 | false | 0 | 0 | If you're solving for the matrix, there is an infinite number of solutions (assuming that B is nonzero). Here's one of the possible solutions:
Choose an nonzero element of B, Bi. Now construct a matrix A such that the ith column is C / Bi, and the other columns are zero.
It should be easy to verify that multiplying th... | 1 | 0 | 1 | I am trying to solve a matrix equation such as A.B = C. The A is the unknown matrix and i must find it.
I have B(n*1) and C(n*1), so A must be n*n.
I used the BT* A.T =C.T method (numpy.linalg.solve(B.T, C.T)).
But it produces an error:
LinAlgError: Last 2 dimensions of the array must be square.
So the problem is t... | Solving matrix equation A B = C. with B(n* 1) and C(n *1) | 0 | 0 | 0 | 339 |
39,282,825 | 2016-09-02T00:49:00.000 | 1 | 0 | 0 | 0 | python,database,postgresql,restore | 39,286,433 | 1 | true | 0 | 0 | One of the few activities that you cannot perform while a user is connected is dropping the database.
So – if that is what you are doing during restore – you'll have to change your approach. Don't drop the database (don't use the -C option in pg_dump or pg_restore), but rather drop and recreate the schemas and objects ... | 1 | 0 | 0 | I run a number of queries for adhoc analysis against a postgres database. Many times I will leave the connection open through the day instead of ending after each query.
I receive a postgres dump over scp through a shell script every five minutes and I would like to restore the database without cutting the connections.... | Restore postrgres without ending connections | 1.2 | 1 | 0 | 271 |
39,290,234 | 2016-09-02T10:31:00.000 | 0 | 0 | 1 | 0 | python,distributed-computing | 39,290,454 | 1 | false | 0 | 0 | For starters, if MySQL isn't handling your performance requirements (and it rightly shouldn't, that doesn't sound like a very sane use-case),
consider using something like in-memory caching, or for more flexibility, Redis:
It's built for stuff like this, and will likely respond much, much quicker.
As an added bonus, i... | 1 | 0 | 0 | Let's say my python server has three different responses available. And one user send three HTTP requests at the same time.
How can I make sure that one requests get one unique response out of my three different responses?
I'm using python and mysql.
The problem is that even though I store already responded status in... | How to response different responses to the same multiple requests based on whether it has been responded? | 0 | 0 | 1 | 34 |
39,290,932 | 2016-09-02T11:08:00.000 | 1 | 0 | 1 | 0 | python,visual-studio,visual-studio-2015,exe | 39,291,254 | 2 | false | 0 | 0 | Python is a dynamic language (executed by interpreter) and cannot be compiled to binary. (Similar to javascript, php and etc.) It needs interpreter to execute python commands. It's not possible to do that without 3rd party tools which translates python to another languages and compile them to exe. | 1 | 1 | 0 | How to change python code to .exe file using microsoft Visual Studio 2015 without installing any package? Under "Build" button, there is no convert to .exe file. | How to change python to .exe file in visual studio | 0.099668 | 0 | 0 | 11,967 |
39,298,445 | 2016-09-02T18:08:00.000 | 0 | 1 | 1 | 0 | python,time,soc | 39,298,941 | 1 | false | 0 | 0 | time.time uses gettimeofday on platforms that support it. That means its resolution is in microseconds.
You might try using time.clock_gettime(time.CLOCK_REALTIME) which provides nanosecond resolution (assuming the underlying hardware/OS provides that). The result still gets converted to floating point as with time.tim... | 1 | 1 | 0 | My team and I are designing a project which requires the detection of rising edge of a square wave and then storing the time using time.time() in a variable.If a same square wave is given to 3 different pins of RPi,and event detection is applied on each pin,theoretically,they should occur at the same time,but they have... | something better than time.time()? | 0 | 0 | 0 | 116 |
39,300,131 | 2016-09-02T20:17:00.000 | 0 | 0 | 1 | 0 | python,visual-studio-code | 64,252,632 | 3 | false | 0 | 0 | I'm quite late to this conversation, but a workaround I use is to put a pass statement at the end of my file, then add a breakpoint to it. I then run it in the debugger and can access all of the variables etc.
This allows most of the functionality that I used to use in the PyCharm python terminal, such as exploring dat... | 1 | 4 | 0 | I'm using visual studio code with standard python extension, my issue is that when I run the code the python interpreter instantly closes right after and I only see the output which means that if I create some data structure I have to create it every single time. Is it possible to leave the console open after running t... | Visual Studio Code - python console | 0 | 0 | 0 | 5,458 |
39,303,681 | 2016-09-03T05:48:00.000 | 1 | 1 | 1 | 1 | ubuntu,python-appium | 41,982,234 | 1 | false | 0 | 0 | Try to use nosetest.
Install:
pip install nose
Run:
nosetests (name of the file containing test) | 1 | 0 | 0 | I got the following error while executing a python script on appium
ImportError: No module named appium
I am running appium in one terminal and tried executing the test on another terminal. Does anyone know what is the reason for this error? and how to resolve it? | Python and Appium | 0.197375 | 0 | 0 | 571 |
39,313,181 | 2016-09-04T03:07:00.000 | 1 | 0 | 1 | 0 | python,binary,hex,offset,bytecode | 39,313,298 | 1 | true | 0 | 0 | use file.seek() to skip between locations in a file. In this case, to go to the next location in the file, you would use file.seek(3121, 1) which seeks 3121 bytes ahead relative to the current position.
EDIT: I didn't realize you were changing the file position after opening it, so it should actually be 2685 bytes that... | 1 | 0 | 0 | In Python, I'm trying to extract some data from a binary file. I know the offsets of my data. They are always the same. For instance, written beneath is the first 4 offsets and the converted offset as a decimal value.
Offset1 - 0x00000409 - 1033
Offset2 - 0x0000103A - 4154
Offset3 - 0x00001C6B - 7275
Offset4 - 0x00002... | Calculate bytes between two hex offsets | 1.2 | 0 | 0 | 769 |
39,316,087 | 2016-09-04T10:45:00.000 | 6 | 0 | 1 | 0 | python,matlab,audio | 52,775,086 | 2 | false | 0 | 0 | Use Scipy:
import scipy.io.wavfile as wav
fs,signal=wav.read(file_name)
signal /= 32767
You need to divided by max int if you want exactly the same thing as in Matlab. Warning: if the wav file is int32 encoded, you need to normalize by max int32 | 1 | 4 | 0 | I'm using wavefile.read() in Python to import a audio file to Python. What I want is read a audio file where every sample is in double and normalized to -1.0 to +1.0 similar to Matlab audioread() function. How can I do it ? | How to read a audio file in Python similar to Matlab audioread? | 1 | 0 | 0 | 9,942 |
39,316,449 | 2016-09-04T11:31:00.000 | 1 | 0 | 1 | 0 | python,testing | 39,316,539 | 2 | true | 0 | 0 | The code you test, and the code you run should be same.
I do not recommend using a filename, because now you are dealing with (in one function) opening the file - and the errors associated with that part, and then confirming the file format (the actual purpose of the function).
It sounds to me that your function's job ... | 1 | 0 | 0 | I am writing tests for a program I intend to write that checks for certain lines in configuration files.
For example, the program might check that the line: AllowConnections-
is contained in the file SomeFile.conf.
My function stub does not take any arguments because I know the file that I am going to be checking.
I a... | Should functions take extra arguments for the sake of testing? | 1.2 | 0 | 0 | 56 |
39,318,053 | 2016-09-04T14:36:00.000 | 1 | 1 | 1 | 1 | python,pip,easy-install | 39,318,468 | 1 | true | 0 | 0 | After some trial and error I discovered that binutils-dev and python-dev packages were missing and causing the header path errors. After installing those the setup script worked. | 1 | 1 | 0 | I've been trying to install the pybfd module but nothing works so far.
Tried the following:
pip install pybfd returns error: option --single-version-externally-managed not recognized. After a quick search I found the --egg option for pip which seems to work, says successfully installed but when I try to run my code Imp... | Problems installing python module pybfd | 1.2 | 0 | 0 | 259 |
39,319,275 | 2016-09-04T16:49:00.000 | 0 | 0 | 0 | 0 | python,amazon-web-services,lua,server,torch | 48,819,337 | 2 | false | 1 | 0 | It does make sense to look at the whole task and how it fits to your actual server, Nginx or Lighttpd or Apache since you are serving static content. If you are going to call a library to create the static content, the integration of your library to your web framework would be simpler if you use Flask but it might be ... | 1 | 0 | 0 | I am building am application to process user's photo on server. Basically, user upload a photo to the server and do some filtering processing using deep learning model. Once it's done filter, user can download the new photo. The filter program is based on the deep learning algorithm, using torch framework, it runs on p... | how to build an deep learning image processing server | 0 | 0 | 0 | 906 |
39,322,550 | 2016-09-05T00:12:00.000 | 0 | 0 | 0 | 0 | python,flask,swagger | 66,651,876 | 3 | false | 1 | 0 | There are three ways of doing it:
via Restful-Api (Api.doc)
via getting swagger templates
via registering blueprints (from flask-swagger-ui or smth). | 1 | 3 | 0 | I have build a small service with flask and already wrote a swagger yaml file to describe it's API. How can I expose the swagger file through the flask app?
I didn't mean to expose the file itself (send_from_directory) but to create new endpoint that will show it as swagger-ui (interactive, if possible) | Exposing API Documentation Using Flask and Swagger | 0 | 0 | 0 | 1,718 |
39,324,217 | 2016-09-05T05:04:00.000 | 1 | 0 | 1 | 1 | python,oracle,pyinstaller,cx-oracle | 39,349,805 | 1 | true | 0 | 0 | The error "Unable to acquire Oracle environment handle" means there is something wrong with your Oracle configuration. Check to see what libclntsh.so file you are using. The simplest way to do that is by using the ldd command on the cx_Oracle module that PyInstaller has bundled with the executable. Then check to see if... | 1 | 0 | 0 | I am building an application in Python using cx_Oracle (v5) and Pyinstaller to package up and distribute the application. When I built and packaged the application, I had the Oracle 12c client installed. However, when I deployed it to a machine with the 11g client installed, it seems not to work. I get the message "... | How do I build a cx_oracle app using pyinstaller to use multiple Oracle client versions? | 1.2 | 0 | 0 | 738 |
39,325,178 | 2016-09-05T06:48:00.000 | 2 | 0 | 1 | 0 | python-3.x | 39,325,222 | 4 | true | 0 | 0 | print will always first try to call __str__ on the object you give it. In the first case the __str__ of the int instance 9 is '9'.
In the second case, you first explicitly call str on 9 (which calls its __str__ and yields '9'). Then, print calls '9''s __str__ which, if supplied with a string instance, returns it as it ... | 1 | 0 | 0 | What is the difference between print(9) and print(str(9)) in Python when the output is the same for both functions? | Difference between `print(9)` and `print(str(9))` | 1.2 | 0 | 0 | 2,204 |
39,328,658 | 2016-09-05T10:29:00.000 | 0 | 0 | 1 | 0 | python,python-3.x,scikit-learn,ipython,jupyter-notebook | 64,611,718 | 2 | false | 0 | 0 | To add to the list of confirmed explanations (point 2):
Too much memory is required
Stack overflow - Too many recursive steps
In my case, when I ran it as a Python script, I got this:
Fatal Python error: Cannot recover from stack overflow.
...
Aborted (core dumped) | 1 | 22 | 0 | I'm running some code using scipy and scikits.learn on Jupyter notebook using Python 3 kernel. During the computation the kernel is being restarted with a message dialogue saying that “The kernel appears to have died. It will restart automatically.”. The stderr of the underlying Jupyter process just logs the fact that ... | How to debug dying Jupyter Python3 kernel? | 0 | 0 | 0 | 6,775 |
39,332,901 | 2016-09-05T14:36:00.000 | 0 | 0 | 0 | 0 | python,installation,attributes,scikit-learn,theano | 39,334,690 | 1 | false | 0 | 0 | Apparently it was caused by some issue with Visual Studio. The import worked when I reinstalled VS and restarted the computer.
Thanks @super_cr7 for the prompt reply! | 1 | 0 | 1 | I'm trying to use scikit-learn's neural network module in iPython... running Python 3.5 on a Win10, 64-bit machine.
When I try to import from sknn.mlp import Classifier, Layer , I get back the following AttributeError: module 'theano' has no attribute 'gof' ...
The command line highlighted for the error is class Discon... | Failure to import sknn.mlp / Theano | 0 | 0 | 0 | 331 |
39,334,441 | 2016-09-05T16:20:00.000 | 1 | 0 | 0 | 0 | python,wxpython,zooming | 39,335,812 | 1 | false | 0 | 1 | Yes, from your description FloatCanvas would certainly meet your needs.
Another possibility to consider would be the wx.GraphicsContext and related classes. It is vector-based (instead of raster) and supports the use of a transformation matrix which would make zooming, rotating, etc. very easy. However, the actual ... | 1 | 1 | 0 | I am developing a wxpython project where I am drawing a diagram on to a panel that I need to be able to zoom in/out to this diagram(a directed acyclic graph in my case). I will achieve this by mouse scroll when the cursor is on the panel, however that is not a part of my question. I need an advice from an experienced p... | WxPython zooming technique | 0.197375 | 0 | 0 | 686 |
39,336,128 | 2016-09-05T18:43:00.000 | 2 | 0 | 1 | 0 | python,python-2.7,python-import,importerror | 39,336,156 | 1 | true | 0 | 0 | Your filename moviepy.py shadows installed package. Rename your main file and everything should work fine (if moviepy is installed in used interpreter). | 1 | 0 | 0 | I have a file beginning with from moviepy.editor import *.
when I run this file I get the error:
Traceback (most recent call last): File "moviepy.py", line 2, in
from moviepy.editor import *
File "/home/debian/Videos/moviepy.py", line 2, in
from moviepy.editor import *
ImportError: No mod... | how to fix ImportError python | 1.2 | 0 | 0 | 704 |
39,336,204 | 2016-09-05T18:50:00.000 | 0 | 0 | 0 | 0 | python,python-3.x,tkinter | 39,337,845 | 1 | true | 0 | 1 | So as Bryan said, tkinter gets the fonts from the standard font locations of the OS. Putting fonts there will permit to tkinter to be able to load them.
Thanks Bryan | 1 | 2 | 0 | I would like to know where does tkinter load his fonts from.
Is it from /usr/share/fonts or does it have a specific folder ?
thanks | Where does tkinter load his fonts from? | 1.2 | 0 | 0 | 67 |
39,337,545 | 2016-09-05T20:48:00.000 | 0 | 0 | 0 | 0 | python,pyqtgraph | 39,413,892 | 1 | false | 0 | 1 | Sorry, there was a bug in my code which was handling the case where a part of one LinearRegionItem overlapped with another LinearRegionItem.
Now I see that one linearRegionItem can lie on top of another one.
Consider this solved | 1 | 1 | 0 | I have added 2 LinearRegionItems to a pyqtgraph plot. When I move the boundary of 1 over the other, the boundary never overlaps the other.
I would like to know how to allow overlapping. This is a functionality that I need, where I am selecting different regions of the data plot to be used later on. | How to get 2 or more LinearRegionItem to overlap each other | 0 | 0 | 0 | 78 |
39,337,821 | 2016-09-05T21:20:00.000 | 2 | 1 | 0 | 1 | python,python-2.7,rabbitmq,pika | 39,340,382 | 1 | true | 0 | 0 | 1.If at least two consumers at the same time can get the same message?
no - a single message will only be delivered to a single consumer.
Because of that, your scenario #2 doesn't come into play at all.
You'll never have 2 consumers working on the same message, unless you nack the message back to the queue but contin... | 1 | 1 | 0 | I've multiple consumers which are polling on the same queue, and checking the queue every X seconds, basically after X seconds it could be that at least two consumers can launch basic.get at the very same time.
Question are:
1.If at least two consumers at the same time can get the same message?
2.According to what I ... | Rabbitmq one queue multiple consumers | 1.2 | 0 | 0 | 1,439 |
39,339,743 | 2016-09-06T02:23:00.000 | 0 | 0 | 1 | 0 | python | 39,339,769 | 2 | false | 0 | 0 | print("\'")
repr of a string will never put out a single backslash. repr smartly picks quotes to avoid backslashes. You can get a \' to come out if you do something like '\'"' | 1 | 1 | 0 | I want Python interpreter to show me \' as a calculated value. I tried typing "\\'" and it returned me the same thing. If I try "\'" then the backslash is not shown anymore after I hit return. How do I get it to show the backslash like this after I hit return- \' ?
Additional question
This is exact question I am not un... | Backslash escaping is not working in Python | 0 | 0 | 0 | 964 |
39,339,804 | 2016-09-06T02:32:00.000 | -2 | 0 | 0 | 1 | python,celery,django-celery | 39,340,088 | 1 | false | 1 | 0 | Something along these lines would work: (\b(dev.)(\w+)).
Then refer to the second group for the stuff after "dev.".
You'll need to set it up to capturing repeated instances if you want to get multiple. | 1 | 5 | 0 | Background
Celery worker can be started against a set of queues using -Q flag. E.g.
-Q dev.Q1,dev.Q2,dev.Q3
So far I have seen examples where all the queue names are explicitly listed as comma separated values. It is troublesome if I have a very long list.
Question
Is there a way I can specify queue names as a regex... | Celery Worker - Consume from Queue matching a regex | -0.379949 | 0 | 0 | 409 |
39,345,313 | 2016-09-06T09:22:00.000 | 1 | 0 | 1 | 0 | python,anaconda,32bit-64bit,development-environment,conda | 39,345,619 | 1 | true | 0 | 0 | As I understand, Anaconda installs into a self-contained directory (<pwd>/anaconda3). Since 64-bit and 32-bit builds of Python can not be mixed or converted into each other (in terms of the compiled Python binaries and libraries in site-packages or other PYTHONPATH location), you have to go with a second (64-bit) Anaco... | 1 | 2 | 0 | I have a 32 bit installation of the Anaconda Python distribution.
I know how to create environments for different python versions.
What I need is to have a 64 bit version of python.
Is it possible to create a conda env with the 64 bit version?
Or do I have to reinstall anaconda or install a different version of anacond... | How to create python conda 64 bit environment in existing 32bit install? | 1.2 | 0 | 0 | 4,169 |
39,355,693 | 2016-09-06T18:34:00.000 | 3 | 0 | 1 | 0 | python,regex | 39,355,798 | 2 | false | 0 | 0 | A hint: A regular expression that will find any amount of whitespace (not just space characters, but also tabs, etc.) around a slash is: r'\s*/\s*'. The regex there is between the apostrophes. The period is just the end of my sentence, and the r tells Python to treat the string inside apostrophes as a "raw" string.
If ... | 1 | 0 | 0 | I want to remove whitespaces in a string that are adjacent to / while keeping the rest of the whitespaces.
For instance, say I have a string 98 / 100 xx 3/ 4 and 5/6. The desired result for my example would be 98/100 xx 3/4 and 5/6. (So that I could use .split(' ') as a next step and extract those meaningful numbers, i... | Python conditionally remove whitespaces | 0.291313 | 0 | 0 | 178 |
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