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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31,764,392 | 2015-08-01T17:36:00.000 | 0 | 0 | 1 | 0 | wxpython | 31,764,393 | 1 | true | 0 | 1 | It took a while to find the answer, so if you have a similar issue the answer lies in default_color and oob_color.
Define it similar to this:
self.Client_rate = ic.IntCtrl(self.panel3,-1,value=0,size=(25,22),default_color=self.txt_colour,oob_color="red")
Then if you need to change the foreground colour alter like this... | 1 | 1 | 0 | When changing the foreground colour of an IntCtrl it acted as if it was not set on every subsequent update, as the colour of the text reverted back to black.
Is there a way to avoid this? | How to prevent IntCtrl() ignoring SetForegroundColour | 1.2 | 0 | 0 | 17 |
31,766,524 | 2015-08-01T21:42:00.000 | 1 | 0 | 1 | 0 | python,python-3.x,file-handling | 31,766,723 | 3 | false | 0 | 0 | close can throw exceptions, for example, if you run out of disk space while it's trying to flush your last writes, or if you pulled out the USB stick the file was on.
As for the correct way to deal with this, that depends on the details of your application. Maybe you want to show the user an error message. Maybe you wa... | 1 | 9 | 0 | I know that in Python the file.close() method doesn't have any return value, but I can't find any information on whether in some cases it throws an exception. If it doesn't do that either, then I guess the second part of this question is superfluous.
If it does, then what would be the "correct" way to handle the file.... | file.close() exception handling inside a with statement in Python | 0.066568 | 0 | 0 | 7,395 |
31,769,814 | 2015-08-02T08:04:00.000 | 0 | 1 | 0 | 0 | python,unit-testing,tdd,integration-testing | 31,769,998 | 2 | false | 0 | 0 | One way to test this kind of workflow is by using a special database just for testing. The test database mirrors the structure of your production database, but is otherwise completely empty (i.e. no data is in the tables). The routine is then as follows
Connect to the test database (and and maybe reload its structure)... | 1 | 1 | 0 | Usually the workflow I have is as follows:
Perform SQL query on database,
Load it into memory
Transform data based on logic foo()
Insert the transformed data to a table in a database.
How should unit test be written for this kind of workflow? I'm really new to testing.
Anyway, I'm using Python 3.4. | How should unit test be written for data transformation? | 0 | 1 | 0 | 538 |
31,769,887 | 2015-08-02T08:16:00.000 | 11 | 1 | 0 | 0 | pytest,python-hypothesis | 31,770,016 | 2 | true | 0 | 0 | It means more or less what it says: You have a test which failed the first time but succeeded the second time when rerun with the same example. This could be a Hypothesis bug, but it usually isn't. The most common cause of this is that you have a test which depends on some external state - e.g. if you're using a system... | 1 | 5 | 0 | I am using the hypothesis python package for testing.
I am getting the following error:
Flaky: Hypothesis test_visiting produces unreliable results: Falsified on the first call but did not on a subsequent one
As far as I can tell, the test is working correctly.
How do I get around this? | What does Flaky: Hypothesis test produces unreliable results mean? | 1.2 | 0 | 0 | 3,046 |
31,779,148 | 2015-08-03T03:49:00.000 | 0 | 0 | 0 | 0 | python,qt,pyqt4 | 31,779,357 | 1 | false | 0 | 1 | the problem is that the
checkBox.isChecked()
method was in the wrong place. It was checked whenever the program was run (where the checkbox was empty) but not afterwards. As it turns out, the signal is generated via mouse after the program is run.
So I added the method to the function that checks the state of the chec... | 1 | 0 | 0 | I am using Qt Designer to build a UI. In Qt Designer, in the Signal/Slot editor I set up the following:
Sender: radioButton,
Signal: toggled(bool),
Receiver: checkbox,
Slot: setChecked(bool)
When I run my .py file, as expected, when I select radioButton with the mouse in the user interface, checkbox is checked.
However... | PyQt4 isChecked() method | 0 | 0 | 0 | 404 |
31,779,186 | 2015-08-03T03:54:00.000 | -2 | 0 | 1 | 0 | python,python-2.7 | 31,781,039 | 1 | false | 0 | 0 | According to the documentation (and my testing) copy.deepcopy does NOT take an extra argument (well it does, but not the depth), copy.deepcopy(my_object, 3) results in AttributeError: 'int' object has no attribute 'get' (since it expect a memo object here instead).
On the other hand copy.deepcopy does not require an ad... | 1 | 0 | 0 | I want to copy a python object to an arbitrary depth. for example
copy.deepcopy(my_object, 3) would deep copy my_object to a depth of three and then shallow copy anything deeper than 3.
Is there some python functions that already exists that can do this? If not what what is the most efficient way to go about this? | How to copy python object to arbitrary depth? | -0.379949 | 0 | 0 | 288 |
31,785,593 | 2015-08-03T11:03:00.000 | 3 | 0 | 0 | 0 | python,django | 31,785,953 | 1 | true | 1 | 0 | If you are using sqlite3 you don't need to tell any ip or port to your teammate. He just needs the path/name of the sqlite database. You can find the name in your settings.py file in the 'DATABASE' variable. | 1 | 1 | 0 | I am maintaining one database in django and some another application written in java want to access that database and add some data in it. Here i want common database for Java application and Django application. So whenever need data, we can make query to that database directly. How is it possible??? | How to access django database from another application | 1.2 | 0 | 0 | 2,301 |
31,786,076 | 2015-08-03T11:29:00.000 | 0 | 0 | 0 | 0 | python,scipy,ndimage | 66,423,995 | 1 | false | 0 | 0 | This is really late, but the data that gets passed to your filter function is a numpy array. You should just be able to reshape the data like normal
arr = arr.reshape((y, x)) | 1 | 2 | 1 | I am trying to use scipy.generic_filter to process an image. However, I need to further subset the window within the function I am applying. In another words I need to know the process (function) used to convert the 2D window to 1D array within the generic filter, so I can recreate the 2D array within the applied funct... | Scipy.generic_filter - window translation to 1D | 0 | 0 | 0 | 64 |
31,786,122 | 2015-08-03T11:31:00.000 | 0 | 1 | 0 | 0 | python,raspberry-pi,kivy,sudo | 31,861,791 | 2 | true | 0 | 1 | Well, I would call this problem solved, even if a few questions remain.
Here are the key points:
The slowdown is caused by Kivy being unable to load the proper video driver under "sudo", and using software rendering instead.
I haven't figured out why the driver isn't loading with sudo or how to fix it. However...
Afte... | 1 | 6 | 0 | I've been writing a Kivy graphical program on Raspberry Pi, with the KivyPie OS (Linux pre-configured for Kivy development).
For some reason, it's running extremely slow if started with sudo.
Normally, running "python main.py", the program runs at about 30 cycles per second.
However, if I do "sudo python main.py", it r... | Raspberry Pi Python (Kivy) extremely slow with sudo | 1.2 | 0 | 0 | 2,524 |
31,790,076 | 2015-08-03T14:34:00.000 | 1 | 0 | 0 | 1 | python,google-app-engine,azure,web-applications | 31,790,837 | 2 | false | 1 | 0 | yes there is. look at backend and frontend instances. your question is too broad to go into more detail. in general the backend type of instance is used for long running tasks but you could also do everyrhing in the frontend instance. | 1 | 1 | 0 | I am currently working with MS Azure. There I have a worker role and a web role. In worker role I start an infinite loop to process some data continously. The web role is performing the interaction with the client. There I use a MVC Framework, which on server side is written in C# and on client side in Javascript.
Now... | Worker role and web role counterpart in GAE | 0.099668 | 0 | 0 | 97 |
31,790,133 | 2015-08-03T14:37:00.000 | 0 | 1 | 0 | 1 | python,linux,arm,raspberry-pi,init.d | 31,791,309 | 1 | true | 0 | 0 | Ah bah, let's just give a quick answer.
After creating a script in /etc/init.d, you need to add a soft-link to the directory /etc/rc2.d, such as sudo ln -s /etc/init.d/<your script> /etc/rc2.d/S99<your script>. Assuming, of course, that you run runlevel 2. You can check that with the command runlevel.
The S means the s... | 1 | 0 | 0 | I have a python script. This script is essentially my own desktop/UI. However, I would like to replace the default Raspbian (Raspberry Pi linux distro) desktop enviroment with my own version. How would I go about:
Disabling the default desktop and
Launching my python script (fullscreen) at startup?
This is on the Ras... | Starting a python script at boot - Raspbian | 1.2 | 0 | 0 | 344 |
31,792,302 | 2015-08-03T16:27:00.000 | 1 | 0 | 0 | 1 | python-2.7,google-app-engine,web-applications,configuration,app.yaml | 31,796,794 | 2 | false | 1 | 0 | To "configure your app," generally speaking, is to specify, via some mechanism, parameters that can be used to direct the behavior of your app at runtime. Additionally, in the case of Google App Engine, these parameters can affect the behavior of the framework and services surrounding your app.
When you specify these p... | 1 | 1 | 0 | I am working on Google App Engine (GAE) which has a file called (app.yaml). As I am new to programming, I have been wondering, what does it mean to configure an app? | What does app configuration mean? | 0.099668 | 0 | 0 | 3,561 |
31,794,152 | 2015-08-03T18:22:00.000 | 1 | 0 | 0 | 1 | python,flask | 31,794,311 | 2 | true | 1 | 0 | No. The code won't be viewable. Server side code is not accessible unless you give someone access or post it somewhere public. | 1 | 0 | 0 | I don't want other people to see my application code. When I host my application, will others be able to see the code that is running? | Is the application code visible to others when it is run? | 1.2 | 0 | 0 | 75 |
31,794,158 | 2015-08-03T18:22:00.000 | 2 | 0 | 0 | 0 | python,numpy | 31,794,556 | 1 | false | 0 | 0 | I think you should first remap your data, then create the histogram, and then interpret the histogram knowing the values have been transformed. One possibility would be to tweak the histogram tick labels so that they display mapped values.
One possible way of doing it, for example, would be:
Sort one dimension of data... | 1 | 1 | 1 | I am currently working on a project where I have to bin up to 10-dimensional data. This works totally fine with numpy.histogramdd, however with one have a serious obstacle:
My parameter space is pretty large, but only a fraction is actually inhabited by data (say, maybe a few % or so...). In these regions, the data is ... | Python adaptive histogram widths | 0.379949 | 0 | 0 | 740 |
31,796,174 | 2015-08-03T20:27:00.000 | 7 | 1 | 0 | 1 | python,module,smtplib | 35,091,800 | 4 | false | 0 | 0 | I will tell you a probable why you might be getting error like Error no module smtplib
I had created program as email.py
Now email is a module in python and because of that it start giving error for smtplib also
then I had to delete email.pyc file created and then rename email.py to mymail.py
After that no error of smt... | 1 | 13 | 0 | I tried to install python module via pip, but it was not successful.
can any one help me to install smtplib python module in ubuntu 12.10 OS? | How to install python smtplib module in ubuntu os | 1 | 0 | 0 | 58,280 |
31,796,798 | 2015-08-03T21:07:00.000 | 1 | 0 | 1 | 0 | python,datetime | 31,796,826 | 4 | false | 0 | 0 | Off the cuff-
Did you try %b? | 1 | 13 | 0 | How can I convert 'Jan' to an integer using Datetime? When I try strptime, I get an error time data 'Jan' does not match format '%m' | Python - Convert Month Name to Integer | 0.049958 | 0 | 0 | 37,304 |
31,798,097 | 2015-08-03T23:02:00.000 | 0 | 0 | 0 | 0 | python,autocad,euclidean-distance,freecad | 31,815,098 | 1 | false | 0 | 0 | You might look into the DXF file type. (drawing exchange format)
AutoCAD and most freeCAD will read/write DXF files. | 1 | 1 | 1 | I'm looking for software that can fit a signed distance function to a vector image or output from either AutoCAD or FreeCAD. Preferable CAD data because that output is 3D. I'm looking at coding something in either C or Python but I thought I'd check to see if there was anything out there because I couldn't find anyth... | Fit a level set field to CAD data | 0 | 0 | 0 | 122 |
31,799,087 | 2015-08-04T01:01:00.000 | 2 | 1 | 0 | 1 | python,macos,vim,osx-yosemite | 31,800,107 | 1 | true | 0 | 0 | Vim doesn't check Python syntax out of the box, so a plugin is probably causing this issue.
Not sure why an OS upgrade would make a Vim plugin suddenly start being more zealous about things, of course, but your list of installed plugins (however you manage them) is probably the best place to start narrowing down your p... | 1 | 1 | 0 | Overview
After upgrading to 10.11 Yosemite, I discovered that vim (on the terminal) highlights a bunch of errors in my python scripts that are actually not errors.
e.g.
This line:
from django.conf.urls import patterns
gets called out as an [import-error] Unable to import 'django.conf.urls'.
This error is not true becau... | How Do I Turn Off Python Error Checking in vim? (vim terminal 7.3, OS X 10.11 Yosemite) | 1.2 | 0 | 0 | 421 |
31,804,892 | 2015-08-04T08:58:00.000 | 1 | 0 | 1 | 1 | python,celery,fileparsing | 31,877,500 | 1 | true | 0 | 0 | Using Memcached sounds like a much easier solution - a task is for processing, memcached is for storage - why use a task for storage?
Personally I'd recommend using Redis over memcached.
An alternative would be to try ZODB - it stores Python objects natively. If your application really suffers from serialization overhe... | 1 | 3 | 0 | I have got a program that handle about 500 000 files {Ai} and for each file, it will fetch a definition {Di} for the parsing.
For now, each file {Ai} is parsed by a dedicated celery task and each time the definition file {Di} is parsed again to generate an object. This object is used for the parsing of the file {Ai} (... | Share objects between celery tasks | 1.2 | 0 | 0 | 2,958 |
31,808,379 | 2015-08-04T11:42:00.000 | 0 | 0 | 0 | 0 | django,python-3.x,sqlite | 34,991,644 | 1 | false | 1 | 0 | Just delete the db.sqlite3 file in the project directory
Recently in my django project, I faced similar problems. Initially I created two classes in my models.py, then after a custom migration for populating the database with initial data, I needed to make three classes in models.py, where the third table would need to... | 1 | 0 | 0 | I named an app incorrectly in Django which I have renamed but I'm now getting migration errors for non-existent parent nodes. So I'd like to fresh install. Is there a django native way of doing this or best practice? At this stage I think I'll just start a new app and copy the db over. | Fresh Install SQLite3 in Django 1.8 | 0 | 0 | 0 | 544 |
31,814,825 | 2015-08-04T16:42:00.000 | 0 | 0 | 0 | 0 | python,gensim,word2vec | 57,694,733 | 2 | false | 0 | 0 | I think it is possible to obtain antonym using
king-men+women=queen analogies.
in here queen (antonym of king and synonym of women) is the result that return from word2vec trained model.
let we say there is a word X and its synonym Y. and also have antonym of Y which is Z. then we can say X-Y + Z = antonym of (X) and... | 1 | 11 | 0 | I am currently working on word2vec model using gensim in Python, and want to write a function that can help me find the antonyms and synonyms of a given word.
For example:
antonym("sad")="happy"
synonym("upset")="enraged"
Is there a way to do that in word2vec? | How to obtain antonyms through word2vec? | 0 | 0 | 0 | 5,653 |
31,820,655 | 2015-08-04T22:46:00.000 | -3 | 0 | 0 | 0 | python,postgresql | 31,820,790 | 3 | false | 0 | 0 | I think no. You're forced to read the entire value of a column. You can divide the date in few columns, one for the year, another for the month, etc. , or store the date on an integer format if you want an aggressive space optimization. But it will doing the database worst about scalability and modifications.
The datab... | 1 | 0 | 0 | Say you have a column that contains the values for the year, month and date. Is it possible to get just the year? In particular I have
ALTER TABLE pmk_pp_disturbances.disturbances_natural ADD COLUMN sdate timestamp without time zone;
and want just the 2004 from 2004-08-10 05:00:00. Can this be done with Postgres or mus... | Can Postgres be used to take only the portion of a date from a field? | -0.197375 | 1 | 0 | 38 |
31,821,553 | 2015-08-05T00:34:00.000 | 2 | 0 | 0 | 0 | python,django,redirect,nginx,varnish | 31,821,657 | 1 | false | 1 | 0 | It all depends on the load actually... if you have a lot of requests going to the old urls than it might be useful to have some caching. But in general I would say that doing it in Django, adding all of the urls to a database model and querying (optionally caching the results in Django or even Varnish) should do the tr... | 1 | 2 | 0 | We are building a Django app to replace a legacy system which used custom URLs for almost every resource. No pattern to the URLs at all. There are about 350,000 custom URLs that we now need to 301 redirect to a correct URL in the new system.
Our new system will use Django, but will also have Varnish and Nginx in front ... | How to handle thousands of legacy urls in Django, Varnish, Nginx? | 0.379949 | 0 | 0 | 107 |
31,822,523 | 2015-08-05T02:39:00.000 | 0 | 0 | 1 | 0 | python,indexing | 31,822,646 | 4 | false | 0 | 0 | In python: 0 == -0, so x[0] == x[-0].
Why is sequence indexing zero based instead of one based? It is a choice the language designer should do. Most languages I know of use 0 based indexing. Xpath uses 1 based for selection.
Using negative indexing is also a convention for the language. Not sure why it was chosen, but ... | 1 | 4 | 1 | I'm curious in Python why x[0] retrieves the first element of x while x[-1] retrieves the first element when reading in the reverse order. The syntax seems inconsistent to me since in the one case we're counting distance from the first element, whereas we don't count distance from the last element when reading backwar... | Logic behind Python indexing | 0 | 0 | 0 | 180 |
31,822,714 | 2015-08-05T03:02:00.000 | 0 | 1 | 0 | 1 | python,c++,c,linux | 31,830,627 | 1 | false | 0 | 0 | Here is the only way to do that I can think. It is a bit confusing but if you follow the steps it is very simple:
If I want to select total cpu use of Google Chrome process:
$ps -e -o pcpu,comm | grep chrome | awk '{ print $1 }' | paste -sd+ |
bc -l | 1 | 0 | 0 | I have a python server that forks itself once it receives a request. The python service has several C++ .so objects it can call into, as well as the python process itself.
My question is, in any one of these processes, I would like to be able to see how much CPU all instances of this server are currently using. So ... | Query total CPU usage of all instances of a process on Linux OS | 0 | 0 | 0 | 114 |
31,825,032 | 2015-08-05T06:35:00.000 | 1 | 0 | 0 | 0 | python-2.7,odoo-8 | 31,846,746 | 1 | true | 1 | 0 | We need to give the Rights of "View Online Payment Options" in the user form, after that user will able to see the payment button in sale_order as well as invoice also and also see in a website. | 1 | 0 | 0 | Once i installed payment_paypal module, still it is not showing after confirm the sale order and validate the invoice. | Paypal button is not showing in Sale Order and Accounting Invoice odoo? | 1.2 | 0 | 0 | 497 |
31,827,094 | 2015-08-05T08:21:00.000 | 3 | 1 | 1 | 0 | python,email,encryption,sendmail | 31,828,903 | 3 | false | 0 | 0 | Encryption basically tries to rely on one (and only one) secret.
That is, one piece of data that is known to those who want to communicate but not to an attacker.
In the past attempts have been made to e.g. (also) keep the encryption algorithm/implementation secret, but if that implementation is widely used (in a popul... | 1 | 3 | 0 | I want to have Python send a mail automatically after certain events occur. In my script I have to enter a password. Is there any way to encrypt my password and use it in this script?
Please give an example as I am not an expert in python. I have seen few answers on this topic but those aren't discussed completely, jus... | How to use encrypted password in python email | 0.197375 | 0 | 0 | 6,684 |
31,827,125 | 2015-08-05T08:22:00.000 | 1 | 0 | 1 | 0 | python,function,size,readability | 31,827,199 | 1 | false | 0 | 0 | A good rule of thumb (and it's more a guideline of thumb really) is that you should be able to view the entire function on one screen.
That makes it a lot easier to see the control flow without having to scroll all over the place in whatever editor you're using.
If you can't understand fully what a function does at fir... | 1 | 0 | 0 | New programmer here!
I'm creating my first script on my own, and I have a particular function that is quite large, as in 50 lines.
I understand that theoretically a function can be as large as you need it to be, but etiquette-wise, where is a good place to stay under?
I'm using Python 2.something if that makes a differ... | Is there a limit to how large a function can be? | 0.197375 | 0 | 0 | 55 |
31,828,141 | 2015-08-05T09:11:00.000 | 3 | 0 | 0 | 0 | python,django,security,django-models,django-settings | 31,828,245 | 1 | true | 1 | 0 | No, settings.SECRET_KEY is not used for password hashing | 1 | 1 | 0 | I have a Django powered site(Project-1) running with some users registered on it. I am now creating a revamped version of the site in a new separate Django project(Project-2) which I would make live once finished. I would need to populate the User data along with their hashed passwords currently in database of Project-... | Django SECRET_KEY : Copying hashed passwords into different Django project | 1.2 | 0 | 0 | 184 |
31,828,928 | 2015-08-05T09:46:00.000 | 0 | 1 | 0 | 1 | python,testing,celery | 31,877,460 | 1 | false | 0 | 0 | To facilitate testing you should first run the task from ipython to verify that it does what it should.
Then to verify scheduling you should change the celerybeat schedule to run in the near future, and verify that it does in fact run.
Once you have verified functionality and schedule you can update the celerybeat sch... | 1 | 0 | 0 | I have a periodical celery job that is supposed to run every night at midnight. Of course I can just run the system and leave it overnight to see the result. But I can see that it's not going to be very efficient in terms of solving potential problems and energy.
In such situation, is there a trick to make the testing... | testing celery job that runs each night | 0 | 0 | 0 | 158 |
31,834,738 | 2015-08-05T14:01:00.000 | 1 | 0 | 0 | 0 | python,web-scraping,scrapy,rabbitmq,celery | 31,841,508 | 1 | true | 1 | 0 | Yes, using RabbitMQ is very helpful for your use case since your crawling agent can utilize a message queue for storing the results while your document processor can then store that in both your database back end (in this reply I'll assume mongodb) and your search engine (and I'll assume elastic search here).
What one ... | 1 | 2 | 0 | I want to run multiple spiders to crawl many different websites. Websites I want to crawl take different time to be scraped (some take about 24h, others 4h, ...). I have multiple workers (less than the number of websites) to launch scrapy and a queue where I put the websites I want to crawl. Once a worker has finished ... | Scrapy - Use RabbitMQ only or Celery + RabbitMQ for scraping multiple websites? | 1.2 | 0 | 1 | 1,802 |
31,837,170 | 2015-08-05T15:48:00.000 | 2 | 0 | 1 | 0 | python,python-3.x | 31,837,244 | 3 | false | 0 | 0 | number % 2
is equal to (shorthand for)
number % 2 != 0
because 1 evaluates to True and 0 to False. | 1 | 3 | 0 | I'm learning about Python's boolean logic and how you can shorten things down. Are the two expressions in the title equivalent? If not, what are the differences between them? | Difference between 'number % 2:' and 'number % 2 == 0'? | 0.132549 | 0 | 0 | 2,539 |
31,838,882 | 2015-08-05T17:16:00.000 | 0 | 0 | 0 | 0 | python,django,django-migrations | 53,122,187 | 10 | false | 1 | 0 | I checked it by looking up the table django_migrations, which stores all applied migrations. | 1 | 74 | 0 | In Django, is there an easy way to check whether all database migrations have been run? I've found manage.py migrate --list, which gives me the information I want, but the format isn't very machine readable.
For context: I have a script that shouldn't start running until the database has been migrated. For various reas... | Check for pending Django migrations | 0 | 0 | 0 | 57,259 |
31,841,054 | 2015-08-05T19:19:00.000 | 6 | 0 | 0 | 0 | python,sqlalchemy,flask-sqlalchemy | 31,857,049 | 1 | false | 0 | 0 | I got it:
from sqlalchemy import func
(func.extract(<my_object>, 'dow') == some_day)
dow stands for 'day of week'
The extract is an SQLAlchemy function allowing the extraction of any field from the column object. | 1 | 5 | 0 | I have an SQLAlchemy DB column which is of type datetime:
type(<my_object>) --> sqlalchemy.orm.attributes.InstrumentedAttribute
How do I reach the actual date in order to filter the DB by weekday() ? | Extract a weekday() from an SQLAlchemy InstrumentedAttribute (Column type is datetime) | 1 | 1 | 0 | 3,875 |
31,841,751 | 2015-08-05T19:58:00.000 | 1 | 0 | 0 | 0 | python,csv,paraview | 32,314,832 | 3 | false | 0 | 0 | Improving the @GregNash's answer. If you want to include only a single file (called foo.csv):
outcsv = CSVReader(FileName= 'foo.csv')
Or if you want to include all files with certain pattern use glob. For example if files start with string foo (aka foo.csv.0, foo.csv.1, foo.csv.2):
myreader = CSVReader(FileName=glo... | 2 | 0 | 0 | How do I use ParaView's CSVReader in a Python Script? An example would be appreciated. | How do I use ParaView's CSVReader in a Python Script? | 0.066568 | 0 | 0 | 521 |
31,841,751 | 2015-08-05T19:58:00.000 | 1 | 0 | 0 | 0 | python,csv,paraview | 31,842,727 | 3 | false | 0 | 0 | Unfortunately, I don't know Paraview at all. But I found "... simply record your work in the desktop application in the form of a python script ..." at their site. If you import a CSV like that, it might give you a hint. | 2 | 0 | 0 | How do I use ParaView's CSVReader in a Python Script? An example would be appreciated. | How do I use ParaView's CSVReader in a Python Script? | 0.066568 | 0 | 0 | 521 |
31,842,424 | 2015-08-05T20:41:00.000 | 1 | 0 | 1 | 0 | python,string,csv,boolean | 31,842,481 | 1 | false | 0 | 0 | I believe it is reading the value as the string "0", which is a truthy value. Try using int(field) instead of the field itself. | 1 | 1 | 0 | I have a CSV file that I'm reading. One of the fields contains only 1s and 0s. I was under the assumption that Python will return a Boolean value of False for 0, but when my program reads a field whose value is 0, it returns True.
Is this because entries read in a .csv file are strings? | Boolean value of fields in .csv file in Python | 0.197375 | 0 | 0 | 1,611 |
31,842,785 | 2015-08-05T21:03:00.000 | 6 | 1 | 0 | 1 | python,pyserial,beagleboneblack,uart,baud-rate | 33,552,144 | 3 | true | 0 | 0 | The AM335x technical reference manual (TI document spruh73) gives the baud rate limits for the UART sub-system in the UART section (section 19.1.1, page 4208 in version spruh73l):
Baud rate from 300 bps up to 3.6864 Mbps
The UART modules each have a 48MHz clock to generate their timing. They can be configured in on... | 2 | 5 | 0 | I have been looking around for UART baud rates supported by the Beaglebone Black (BB). I can't find it in the BB system reference manual or the datasheet for the sitara processor itself. I am using pyserial and the Adafruit BBIO library to communicate over UART.
Does this support any value within reason or is it more s... | Maximum Beaglebone Black UART baud? | 1.2 | 0 | 0 | 5,044 |
31,842,785 | 2015-08-05T21:03:00.000 | 0 | 1 | 0 | 1 | python,pyserial,beagleboneblack,uart,baud-rate | 31,902,876 | 3 | false | 0 | 0 | The BBB reference manual does not contain any information on Baud Rate for UART but for serial communication I usually prefer using value of BAUDRATE = 115200, which works in most of the cases without any issues. | 2 | 5 | 0 | I have been looking around for UART baud rates supported by the Beaglebone Black (BB). I can't find it in the BB system reference manual or the datasheet for the sitara processor itself. I am using pyserial and the Adafruit BBIO library to communicate over UART.
Does this support any value within reason or is it more s... | Maximum Beaglebone Black UART baud? | 0 | 0 | 0 | 5,044 |
31,842,810 | 2015-08-05T21:04:00.000 | 0 | 0 | 0 | 0 | python,excel,pandas,xlwt | 31,842,901 | 1 | false | 0 | 0 | If a large proportion of them are similar, and this is a one-off operation it may be worth your while coding the solution for the majority and handling the other documents (or groups of them if they are similar) separately. If using Python to do this you could simply build a dynamic query where the columns that are pre... | 1 | 0 | 0 | I have several thousand excel documents. All of these documents are 95% the same in terms of column headings. However, since they are not 100% identical, I cannot simply merge them together and upload it into a database without messing up the data.
Would anyone happen to have a library or an example that they've ran i... | Python merge excel documents with dynamic columns | 0 | 1 | 0 | 177 |
31,846,436 | 2015-08-06T03:41:00.000 | 5 | 0 | 0 | 0 | python,django,inline | 44,101,423 | 1 | false | 1 | 0 | Instead of using ForeignKey, use OneToOneField and it will display just one item without the add another link. | 1 | 3 | 0 | I have a foreign key in model and I am making inline in admin side. I passed extra=0 to display only one form and its working but I am getting Add another model in admin.
I dont want to display Add another model in admin just one form only.
How can I do that . How can I remove Add another option from admin | django admin inline with only one form without add another option | 0.761594 | 0 | 0 | 1,934 |
31,847,163 | 2015-08-06T05:00:00.000 | 0 | 0 | 0 | 0 | django,python-2.7 | 31,848,062 | 1 | false | 1 | 0 | If both computers are in same network, you can use local IP and the port you indicated with runserver command. For instance, if the computer with django app has an IP of 192.168.1.145, you need to go to http://192.168.1.145:8000 to access your app in other computers with same network.
If it's about accessing the app fr... | 1 | 0 | 0 | I am running a django runserver from my macbook at home. Able to load the page in my mac. But when i tried copy the link and load the page on other PC the page is not loading. Why? Please help.. | Django runserver - page is loading in other PCs | 0 | 0 | 0 | 51 |
31,849,867 | 2015-08-06T07:50:00.000 | 2 | 0 | 0 | 0 | python,django,django-admin,django-grappelli | 31,850,151 | 4 | false | 1 | 0 | If you want to change the appearance of the admin in general you should override admin templates. This is covered in details here: Overriding admin templates. Sometimes you can just extend the original admin file and then overwrite a block like {% block extrastyle %}{% endblock %} in django/contrib/admin/templates/admi... | 1 | 1 | 0 | In Django grappelli, how can I add my own css files to all the admin pages? Or is there a way to extend admin's base.html template? | Django (grappelli): how add my own css to all the pages or how to extend admin's base.html? | 0.099668 | 0 | 0 | 3,792 |
31,852,534 | 2015-08-06T09:52:00.000 | 0 | 0 | 0 | 0 | android,kivy,qpython | 31,858,806 | 2 | false | 0 | 1 | I don't know about qpython's log stuff, but you can see the kivy log output by viewing the logcat stream, e.g. from an attached computer (with developer mode enabled) using adb logcat.
This has always been possible and is the standard way to view the log output with kivy (and with android in general). It sounds like yo... | 1 | 1 | 0 | I'm having some trouble with my Kivy apps when run from the QPython launcher.
If I run the standard pong example, I don't see any output.
This used to work.
So, I suspect that QPython, or Kivy has taken an 'upgrade' which has broken something.
In the past I would be able to swipe down to see the log output icon.
But, n... | Kivy QPython app on Android Moto G phone - no log output | 0 | 0 | 0 | 429 |
31,855,794 | 2015-08-06T12:28:00.000 | 24 | 0 | 1 | 0 | python,jupyter-notebook,jupyter | 33,249,008 | 6 | false | 0 | 0 | Michael's suggestion of running your own nbviewer instance is a good one I used in the past with an Enterprise Github server.
Another lightweight alternative is to have a cell at the end of your notebook that does a shell call to nbconvert so that it's automatically refreshed after running the whole thing:
!ipython n... | 1 | 179 | 0 | I am trying to wrap my head around what I can/cannot do with Jupyter.
I have a Jupyter server running on our internal server, accessible via VPN and password protected.
I am the only one actually creating notebooks but I would like to make some notebooks visible to other team members in a read-only way. Ideally I coul... | How can I share Jupyter notebooks with non-programmers? | 1 | 0 | 0 | 147,878 |
31,857,628 | 2015-08-06T13:51:00.000 | 2 | 1 | 0 | 0 | python,python-asyncio | 31,880,066 | 1 | false | 0 | 0 | You may call synchronous LDAP library in thread pool (loop.run_in_executor()).
aiohttp itself doesn't contain abstractions for sessions and authentication but there are aiohttp_session and aiohttp_security libraries. I'm working on these but current status is alpha. You may try it as beta-tester :) | 1 | 2 | 0 | I'm looking for solution how to setup domain authorization with aiohttp.
There are several ldap librarys, but all of them blocks event loop, plus i don't have clear understanding about user authorization with aiohttp.
As i see i need session managment and store isLogdedIn=True in cookie file, check that cookie at ever... | Proper way to setup ldap auth with aiohttp.web | 0.379949 | 0 | 1 | 549 |
31,860,476 | 2015-08-06T15:57:00.000 | 1 | 0 | 0 | 1 | python,linux,curl,wifi,bandwidth | 31,860,813 | 1 | true | 0 | 0 | Simply sending packets as fast as possible to a random destination (that is not localhost) should work.
You'll need to use udp (otherwise you need a connection acknowledge before you can send data).
cat /dev/urandom | pv | nc -u 1.1.1.1 9123
pv is optional (but nice).
You can also use /dev/zero, but there may be a risk... | 1 | 7 | 0 | I need to generate a very high level of wifi activity for a study to see if very close proximity to a transceiver can have a negative impact on development of bee colonies.
I have tried to write an application which spawns several web-socket server-client pairs to continuously transfer mid-sized files (this approach h... | Generating maximum wifi activity through 1 computer | 1.2 | 0 | 0 | 93 |
31,860,630 | 2015-08-06T16:05:00.000 | 2 | 0 | 1 | 1 | python,hdfs,race-condition,ioerror | 31,934,576 | 1 | true | 0 | 0 | (Setting aside that it sounds like HDFS might not be the right solution for your use case, I'll assume you can't switch to something else. If you can, take a look at Redis, or memcached.)
It seems like this is the kind of thing where you should have a single service that's responsible for computing/caching these result... | 1 | 5 | 0 | So I have some code that attempts to find a resource on HDFS...if it is not there it will calculate the contents of that file, then write it. And next time it goes to be accessed the reader can just look at the file. This is to prevent expensive recalculation of certain functions
However...I have several processes ru... | Sharing a resource (file) across different python processes using HDFS | 1.2 | 0 | 0 | 132 |
31,862,293 | 2015-08-06T17:36:00.000 | 1 | 0 | 0 | 1 | python,apache-spark,ipython,pyspark | 66,149,862 | 8 | false | 0 | 0 | Tested with spark 3.0.1 and python 3.7.7 (with ipython/jupyter installed)
To start pyspark with IPython:
$ PYSPARK_DRIVER_PYTHON=ipython pyspark
To start pyspark with jupyter notebook:
$ PYSPARK_DRIVER_PYTHON=jupyter PYSPARK_DRIVER_PYTHON_OPTS=notebook pyspark | 1 | 33 | 0 | I want to load IPython shell (not IPython notebook) in which I can use PySpark through command line. Is that possible?
I have installed Spark-1.4.1. | How to load IPython shell with PySpark | 0.024995 | 0 | 0 | 26,058 |
31,862,957 | 2015-08-06T18:14:00.000 | 0 | 0 | 0 | 0 | python,mongodb,pymongo,database | 31,867,932 | 1 | true | 0 | 0 | Your post's points and questions are quoted below. My comments follow each quote.
By having a database where each slide is a document that contains the filename of the slide, the filename of the preview thumbnail of the
slide, and an array containing searchable tag words, one will be able
to query specific sets o... | 1 | 0 | 0 | This will be a bit of a lengthly post, sorry in advance. I have a bit of experience using MongoDB (been awhile) and I'm so-so with python, but I have a big project and I would like some feedback before spending lots of time coding.
The project involves creating a gallery where individual presentation slides (from apple... | Will I be able to implement this design using MongoDB (via pyMongo) | 1.2 | 1 | 0 | 70 |
31,863,996 | 2015-08-06T19:12:00.000 | 1 | 0 | 0 | 1 | python,django,rabbitmq,celery | 32,602,968 | 1 | true | 1 | 0 | I found the problem in my code,
So in one of my task i was opening a connection to parse using urllib3 that was getting hung.
After moving out that portion in async task, things are working fine now. | 1 | 0 | 0 | I am using rabbitmq as broker, there is a strange behaviour that is happening in my production environment only. Randomly sometimes my celery stops consuming messages from a queue, while it consumes from other queues.
This leads to pileup on messages in queue, if i restart my celeryd everything starts to work fine.
"/... | Celery worker stops consuming from a specific queue while it consumes from other queues | 1.2 | 0 | 0 | 1,570 |
31,866,429 | 2015-08-06T21:51:00.000 | 0 | 0 | 0 | 0 | python,scrapy,virtualenv | 33,439,385 | 3 | true | 1 | 0 | It's not possible to do what I wanted to do on the GoDaddy plan I had. | 1 | 1 | 0 | Here's my problem,
I have a shared hosting (GoDaddy Linux Hosting package) account and I'd like to create .py file to do some scraping for me. To do this I need the scrapy module (scrapy.org). Because of the shared account I can't install new modules so I installed VirtualEnv and created a new virtual env. that has pip... | Installing Scrapy on Python VirtualEnv | 1.2 | 0 | 0 | 2,964 |
31,866,507 | 2015-08-06T21:57:00.000 | 13 | 0 | 0 | 0 | python,windows | 31,866,538 | 2 | true | 0 | 0 | As long as the computer doesn't get put to sleep, your process should continue to run. | 2 | 14 | 0 | I am running a Python script that uses the requests library to get data from a service.
The script takes a while to finish and I am currently running it locally on my Windows 7 laptop. If I lock my screen and leave, will the script continue to run (for ~3 hours) without Windows disconnecting from the internet or haltin... | Keep Python script running after screen lock (Win. 7) | 1.2 | 0 | 1 | 27,171 |
31,866,507 | 2015-08-06T21:57:00.000 | 7 | 0 | 0 | 0 | python,windows | 31,866,586 | 2 | false | 0 | 0 | Check "Power Options" in the Control panel. You don't need to worry about the screen locking or turning off as these wont affect running processes. However, if your system is set to sleep after a set amount of time you may need to change this to Never. Keep in mind there are separate settings depending on whether or no... | 2 | 14 | 0 | I am running a Python script that uses the requests library to get data from a service.
The script takes a while to finish and I am currently running it locally on my Windows 7 laptop. If I lock my screen and leave, will the script continue to run (for ~3 hours) without Windows disconnecting from the internet or haltin... | Keep Python script running after screen lock (Win. 7) | 1 | 0 | 1 | 27,171 |
31,867,145 | 2015-08-06T22:59:00.000 | 0 | 0 | 0 | 0 | python,tkinter,launch,os.system | 31,867,275 | 1 | false | 0 | 1 | I'd consider using subprocess library in python.
import subprocess
p=subprocess.Popen(["python", "my_script_1.py"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
output=p.communicate()[0]
Hope this helps. | 1 | 0 | 0 | I'm creating a program using Python/Tkinter and it involves a main screen with a bunch of buttons. Each button will launch another Python script in the same folder.
I'm trying to create a function that will quit the script and open another. How can this be done?
People have recommended os.system on other similar thread... | Function to Launch Another Python Script | 0 | 0 | 0 | 428 |
31,868,486 | 2015-08-07T01:48:00.000 | -3 | 0 | 0 | 0 | python,wifi,wireless | 54,299,200 | 3 | false | 0 | 0 | c:\netsh
C:\netsh\wlan
c:\netsh\wlan)Show all | 1 | 10 | 0 | I am trying to find out how I can list all of the available wireless networks in Python. I am using Windows 8.1.
Is there a built-in function I can call, or through a library?
Please kindly show me the code which prints the list. | List All Wireless Networks Python for PC | -0.197375 | 0 | 0 | 24,082 |
31,869,524 | 2015-08-07T04:03:00.000 | 4 | 0 | 1 | 0 | java,python,javaw,pythonw | 31,869,550 | 3 | false | 0 | 0 | By default java opens a console window when executed in windows OS. By using javaw the java process doesn't open in a console window. It is a good UX practice to use javaw in scripts or bundled executables. I guess it is the same for pythonw also. 'w' stands for 'Windows' as in Java for windows. | 1 | 6 | 0 | I just made a connection between python's: pythonw.exe and java's: javaw.exe and I'm curious about this as I cant figure out what some of those ending letters mean. I know that javac is the Java compiler so I assume the w on the end of the name also has some significance. I've also seen more like javap, javah etc. Coul... | What Do The Ending Letters Mean - pythonw, javaw, javap, javac, etc | 0.26052 | 0 | 0 | 715 |
31,870,616 | 2015-08-07T05:52:00.000 | -3 | 0 | 1 | 0 | python,python-2.7,time | 31,870,657 | 4 | false | 0 | 0 | If the program would know how much data it is getting, you could set it up to function like a progress bar.. | 1 | 1 | 0 | I created a python file that collect data. After collecting all the data, it will print out "Done.". Sometimes, it might take atleast 3 minutes to collect all the data.
I would like to know how to print something like "Please wait..." for every 30 seconds, and it will stop after collecting all the data.
Can anyone hel... | Python Priting Out Something While Waiting For Long Output | -0.148885 | 0 | 0 | 1,834 |
31,870,995 | 2015-08-07T06:23:00.000 | 1 | 1 | 1 | 0 | python,compilation,word2vec | 34,438,547 | 4 | false | 0 | 0 | Similar to user1151923, after adding MinGW\bin to my path variable and uninstalling\reinstalling gensim through pip, I still received the same warning message. I ran the following code to fix this problem (installed gensim from conda).
pip uninstall gensim
conda install gensim | 3 | 5 | 0 | Sorry that I don't have enough reputation to post images.
The main problem is that it tells me that I need to install a C compiler and reinstall gensim or the train will be slow, and in fact it is really slow.
I have installed mingw32, Visual Studio 2008, and have added the mingw32 environment variable to my path.
Any ... | Gensim needs a C compiler? | 0.049958 | 0 | 0 | 4,228 |
31,870,995 | 2015-08-07T06:23:00.000 | 0 | 1 | 1 | 0 | python,compilation,word2vec | 56,945,149 | 4 | false | 0 | 0 | I had the same problem and tried many solutions, but none of them worked except degrading to gensim version 3.7.1. | 3 | 5 | 0 | Sorry that I don't have enough reputation to post images.
The main problem is that it tells me that I need to install a C compiler and reinstall gensim or the train will be slow, and in fact it is really slow.
I have installed mingw32, Visual Studio 2008, and have added the mingw32 environment variable to my path.
Any ... | Gensim needs a C compiler? | 0 | 0 | 0 | 4,228 |
31,870,995 | 2015-08-07T06:23:00.000 | 0 | 1 | 1 | 0 | python,compilation,word2vec | 61,358,854 | 4 | false | 0 | 0 | When I installed it from conda-forge then I obtained a version that is already compiled and fast:
conda install -c conda-forge gensim | 3 | 5 | 0 | Sorry that I don't have enough reputation to post images.
The main problem is that it tells me that I need to install a C compiler and reinstall gensim or the train will be slow, and in fact it is really slow.
I have installed mingw32, Visual Studio 2008, and have added the mingw32 environment variable to my path.
Any ... | Gensim needs a C compiler? | 0 | 0 | 0 | 4,228 |
31,879,337 | 2015-08-07T13:47:00.000 | 2 | 0 | 0 | 0 | python,mysql | 31,879,445 | 2 | false | 0 | 0 | Are you using an ORM like SQLAlchemy?
Anyway, to answer your question directly, you can use json or pickle to convert your list to a string and store that. Then to get it back, you can parse it (as JSON or a pickle) and get the list back.
However, if your list is always a 3 point coordinate, I'd recommend making separa... | 1 | 3 | 0 | How can I store python 'list' values into MySQL and access it later from the same database like a normal list?
I tried storing the list as a varchar type and it did store it. However, while accessing the data from MySQL I couldn't access the same stored value as a list, but it instead it acts as a string. So, accessing... | storing python list into mysql and accessing it | 0.197375 | 1 | 0 | 5,462 |
31,879,606 | 2015-08-07T14:01:00.000 | 1 | 0 | 0 | 1 | python,deployment | 31,885,764 | 1 | false | 1 | 0 | I don't see why you couldn't deploy on the same node (that's essentially what I do when I'm developing locally), but if you want to be able to rapidly scale you'll probably want them to be separate.
I haven't used rabbitmq in production with celery, but I use redis as the broker and it was easy for me to get redis as... | 1 | 0 | 0 | My web app is using celery for async job and rabbitmq for messaging, etc. The standard stuff. When it comes to deployment, are rabbitmq and celery normally deployed in the same node where the web app is running or separate? What are the differences? | flask application deployment: rabbitmq and celery | 0.197375 | 0 | 0 | 603 |
31,880,734 | 2015-08-07T14:52:00.000 | 0 | 0 | 0 | 0 | django,python-2.7,django-admin | 44,893,888 | 1 | false | 1 | 0 | I fixed a very similar issue today where I couldn't assign Users permissions concerning tables that were created in multiple databases because those tables didn't appear in the list of "available permissions."
It appears that I accidentally migrated the model creation migrations to the default database before I correct... | 1 | 1 | 0 | I registered a new model in Django's admin interface but I can't see any permissions related to it that I can assign to users or groups.
Could it be related to the fact that my models come from a different database? | Can't see permissions for new model in Django's admin interface | 0 | 0 | 0 | 725 |
31,880,759 | 2015-08-07T14:53:00.000 | 0 | 0 | 1 | 0 | python,arrays | 31,881,089 | 3 | false | 0 | 0 | From your description, it might be enough to have a counter associated with each sub-array as to how many of the items in that sub-array have already been bought. Give that you haven't shown any details as to your representation of these things, I can't give more details as to how to implement this. | 2 | 0 | 1 | I'm relatively new to Python and have already written a code to randomly select from two tables based on user input but the next function I need to create is more complex and I'm having trouble wrapping my head around.
I'm going to have some code that's going to take user input and generate an amount of money I'm going... | Python - Pick from Array based on price with a caveat | 0 | 0 | 0 | 45 |
31,880,759 | 2015-08-07T14:53:00.000 | 0 | 0 | 1 | 0 | python,arrays | 31,881,413 | 3 | false | 0 | 0 | It's difficult to understand what you're getting at, because you're not expressing your ideas very well. You're finding this general programming difficult as programming can be considered as the precise expression of ideas.
So, in very general terms you are trying to simulate some sort of curated shopping experience. Y... | 2 | 0 | 1 | I'm relatively new to Python and have already written a code to randomly select from two tables based on user input but the next function I need to create is more complex and I'm having trouble wrapping my head around.
I'm going to have some code that's going to take user input and generate an amount of money I'm going... | Python - Pick from Array based on price with a caveat | 0 | 0 | 0 | 45 |
31,882,605 | 2015-08-07T16:32:00.000 | 0 | 0 | 1 | 0 | python,spyder,imdb,imdbpy | 31,885,585 | 1 | false | 0 | 0 | Suggestion (may or may not work):
launch "Winpython Command Prompt"
type 'pip install IMDbPy'
....
type 'pip list' to check pip did install it | 1 | 1 | 0 | I'm trying to get a version of IMDbPy that I can install using the WinPython installer - there are a variety of programs that have been made compatible with, however IMDbPy doesn't have a specific WinPython package.
I've tried to download several different versions of it and install it with the WinPython Installer, how... | IMDbPy with WinPython | 0 | 0 | 0 | 309 |
31,883,046 | 2015-08-07T17:00:00.000 | 0 | 0 | 1 | 0 | python-3.x,installation | 70,541,886 | 3 | false | 0 | 0 | Download msi file for particular version and mention the target directory name and run below command in Download folder(where msi placed)
msiexec /a python-2.7.10.msi /qb TARGETDIR=D:\python27
inside D:\python27 we got python path and application | 1 | 1 | 0 | I want to install python3 on a computer that I do not have admin rights. Are there any ways to go around ? Thanks. | How to install python3 without admin rights on Windows? | 0 | 0 | 0 | 6,451 |
31,883,505 | 2015-08-07T17:30:00.000 | 2 | 0 | 0 | 0 | python,django,virtualenv | 31,883,608 | 4 | false | 1 | 0 | Common approach, if you'd like to configure region, but did not want to store sensitive information in repo, is to pass it through environment variables. When you need it just call os.environ('SECRET') (even in your settings.py). Better with some fallback value.
Virtualenv does not helps you to hide anything, it just p... | 2 | 16 | 0 | I am using Django, python, virtualenv, virtualenvwrapper and Vagrant.
So far I have simply left my secret_key inside of the settings.py file.
This works file for local files. However I have already placed my files in Git. I know this is not acceptable for production(Apache).
What is the correct way to go about hidi... | How to I hide my secret_key using virtualenv and Django? | 0.099668 | 0 | 0 | 14,236 |
31,883,505 | 2015-08-07T17:30:00.000 | 0 | 0 | 0 | 0 | python,django,virtualenv | 63,311,862 | 4 | false | 1 | 0 | The solution I use is to create a file sec.py and place it next to my settings.py file. Then in at line 1 of settings.py call from .sec import *. Be sure to include the period in front of the file name. Be sure to list sec.py in your .gitignore file. | 2 | 16 | 0 | I am using Django, python, virtualenv, virtualenvwrapper and Vagrant.
So far I have simply left my secret_key inside of the settings.py file.
This works file for local files. However I have already placed my files in Git. I know this is not acceptable for production(Apache).
What is the correct way to go about hidi... | How to I hide my secret_key using virtualenv and Django? | 0 | 0 | 0 | 14,236 |
31,883,784 | 2015-08-07T17:47:00.000 | 0 | 0 | 1 | 0 | python,numbers,format,decimal,floating-point-precision | 31,884,402 | 5 | false | 0 | 0 | Python also has a builtin "round" function: x = round(2.00001, 2) I believe is the command you would use. | 1 | 0 | 0 | This is what I have:
x = 2.00001
This is what I need:
x = 2.00
I am using:
float("%.2f" % x)
But all I get is:
2
How can I limit the decimal places to two AND make sure there are always two decimal places even if they are zero?
Note: I do not want the final output to be a string. | How to fix floating point decimal to two places even if number is 2.00000 | 0 | 0 | 0 | 330 |
31,884,573 | 2015-08-07T18:41:00.000 | -1 | 0 | 0 | 0 | python,django,database-migration | 48,024,289 | 3 | false | 1 | 0 | Worth noting for future readers that the migrations can hang when trying to apply a migration for an incorrect size CharField (DB implementation dependent). I was trying to alter a CharField to be greater than size 255 and it was just hanging. Even after terminating the connections as stated it would not fix it as a Ch... | 2 | 9 | 0 | I have a django migration I am trying to apply. It gets made fine (it's small, it's only adding a CharField to two different Models. However when I run the actual migrate it hangs (no failure, no success, just sits).
Through googling I've found that other open connections can mess with it so I restarted the DB. Howe... | Django 1.7 Migrations hanging | -0.066568 | 0 | 0 | 4,210 |
31,884,573 | 2015-08-07T18:41:00.000 | 6 | 0 | 0 | 0 | python,django,database-migration | 31,884,628 | 3 | true | 1 | 0 | At least in PostgreSQL you cannot modify tables (even if it's just adding new columns) while there are active transactions. The easiest workaround for this is usually to:
run the migration script (which will hang)
restart your webserver/wsgi container
When restarting your webserver all open transactions will be abort... | 2 | 9 | 0 | I have a django migration I am trying to apply. It gets made fine (it's small, it's only adding a CharField to two different Models. However when I run the actual migrate it hangs (no failure, no success, just sits).
Through googling I've found that other open connections can mess with it so I restarted the DB. Howe... | Django 1.7 Migrations hanging | 1.2 | 0 | 0 | 4,210 |
31,886,385 | 2015-08-07T20:47:00.000 | 4 | 0 | 1 | 0 | python,ghostscript | 52,513,311 | 2 | false | 0 | 0 | Jamie's answer is not very helpful, OP is saying that he has indeed downloaded and installed ghostscript and even posted that he's using a python 2.7 which is supposed to be supported by ghostscript no problem.
I got the same error:
RuntimeError: Can not find Ghostscript DLL in registry
My problem was actually that I h... | 1 | 5 | 0 | I've been trying to import ghostscript into Python in order to convert pdf files to a .tiff format.
I am using Python version 2.7.10 on Windows 8.
I have successfully downloaded and installed ghostscript using pip, and it appears in the correct location (...\Anaconda\Lib\sitepackages). I've confirmed that other packag... | Importing Ghostscript in Python on Windows 8 | 0.379949 | 0 | 0 | 13,033 |
31,886,734 | 2015-08-07T21:13:00.000 | 1 | 0 | 0 | 0 | python,django,postgresql,heroku,django-models | 31,888,017 | 1 | true | 1 | 0 | i suggest you update the data in your local then make a fixture, commit and push it in your heroku. then do load the data using the terminal
update data (locally)
make a fixture (manage.py dumpdata)
commit and push to heroku
login via terminal (heroku login)
load the data (heroku run python manage.py loaddata .json) | 1 | 1 | 0 | I want to update a field in my users table on my django project hosted on heroku.
Is there a way I can run a script(if so from where?) using what?
That allows me to update a field in the database? I could do this manually in the django admin but it would take way to long as there are large number of users.
Any advic... | How to update my production database in a django/heroku project with a script | 1.2 | 0 | 0 | 673 |
31,887,058 | 2015-08-07T21:42:00.000 | 0 | 0 | 0 | 0 | python,python-2.7,user-interface,kivy | 31,888,122 | 2 | true | 0 | 1 | self.pos and self.size would have sufficed. How silly of me. | 1 | 0 | 0 | I have a 10 x 10 GridLayout with 100 Image widgets, and on_touch_down, I want the picture that was touched to change to a different picture. Since the touch signal will bubble through GridLayout and all its 100 Image children, I want to do a check in on_touch_down to see if the touch coordinates are within the area occ... | How Can I Find the Area/Vertices Occupied By a Widget in Kivy? | 1.2 | 0 | 0 | 74 |
31,888,624 | 2015-08-08T01:08:00.000 | 0 | 0 | 0 | 0 | python,python-2.7,numpy,grid,distance | 31,888,691 | 3 | false | 0 | 0 | The simplest way I know of to calculate the distance between two points on a plane is using the Pythagorean theorem.
That is, picture a right angle triangle where the hypotenuse goes between the two points and the base of the triangle is parallel to the x axis and the height is parallel to the y axis. We then know that... | 1 | 2 | 1 | I have a 10 x 10 grid of cells (as a numpy array). I also have a list of 3 points on that grid. For each cell on the grid, I need to find the closest of the three points. I can do this in series of nested loops in python (2.7) which works but is slow (especially if I upscale to larger grids) but I suspect there is a... | Calculating distances on grid | 0 | 0 | 0 | 2,279 |
31,889,124 | 2015-08-08T02:47:00.000 | 5 | 0 | 0 | 0 | python,flask,remote-access,flask-restful | 31,889,144 | 1 | true | 1 | 0 | The problem is not from Flask,
The IP specified in app.run(host='0.0.0.0') must be owned by your server.
If you want to launch Flask on remote server, deploy the code on that server using SSH and run it using a remote session. | 1 | 3 | 0 | I'm able to run the flask app on the local system using app.run(). But when I try to run it on remote server using app.run(host='0.0.0.0',port='81') or app.run(host='<remote ip>'),both don't work. I want to know if something else has to be done. | How to run a flask app on a remote server from a local system? | 1.2 | 0 | 0 | 8,067 |
31,892,531 | 2015-08-08T11:17:00.000 | 1 | 1 | 0 | 0 | python,unit-testing | 31,892,566 | 1 | true | 0 | 0 | When unit testing, you test a particular unit (function/method...) in isolation, meaning that you don't care if other components that your function uses, work (since there are other unit test cases that cover those).
So to answer your question - it's out of the scope of your unit tests whether an external service like ... | 1 | 0 | 0 | I am fairly new to unit testing. And at the moment I have trouble on trying to unit test a Google oAuth Picasa authentication. It involves major changes to the code if I would like to unit tested it (yeah, I develop unit test after the app works).
I have read that Mock Object is probably the way to go. But if I use Mo... | How can mock object replace all system functionality being tested? | 1.2 | 0 | 0 | 32 |
31,892,667 | 2015-08-08T11:35:00.000 | 2 | 0 | 1 | 0 | python,multithreading,multiprocessing | 31,892,771 | 2 | false | 0 | 0 | It depends on your code and the type of the problem you are trying to solve. Python GIL applies to CPU-bound threads, i.e. threads that want to do CPU-intensive tasks*.
However, if your threads are I/O-bound, i.e. spend most of the time waiting for input/output, the GIL would not be a problem because while waiting for ... | 1 | 0 | 0 | I have a requirement which requires me to run 480 threads and 16 processes( each process will have 30 threads, so it's 480). I have heard that due to GIL, python does not have a good support for multi threading! Is there any way to execute the application with above requirements efficiently in python? Thanks in advance... | Python multithreading,multi processing | 0.197375 | 0 | 0 | 61 |
31,893,477 | 2015-08-08T13:11:00.000 | 0 | 0 | 0 | 1 | python,linux,qt,ubuntu,pyqt | 42,756,312 | 2 | false | 0 | 0 | This is a hacky solution.
Install qt-qtconf. sudo apt-get install qt4-qtconfig
Run sudo qtconfig or gksudo qtconfig.
Change GUI Style to GTK+.
Edited. | 1 | 0 | 0 | Ok the title explains it all. But just to clarify.
I have Ubuntu and programed a GUI app with Qt Designer 4 and PyQt4. The program works fine running python main.py in terminal.
Last week I made an update and now the program needs sudo privelages to start. So I type sudo python main.py.
But Oh my GODDDDDDD. What an un... | How to run PyQt4 app with sudo privelages in Ubuntu and keep the normal user style | 0 | 0 | 0 | 1,223 |
31,893,930 | 2015-08-08T14:08:00.000 | -1 | 0 | 0 | 0 | csv,pandas,ipython-notebook | 53,851,540 | 7 | false | 0 | 0 | My simple approach to download all the files from the jupyter notebook would be by simply using this wonderful command
!tar cvfz my_compressed_file_name.tar.gz *
This will download all the files of the server including the notebooks.
In case if your server has multiple folders, you might be willing to use the following... | 1 | 33 | 1 | I run an iPython Notebook server, and would like users to be able to download a pandas dataframe as a csv file so that they can use it in their own environment. There's no personal data, so if the solution involves writing the file at the server (which I can do) and then downloading that file, I'd be happy with that. | Download CSV from an iPython Notebook | -0.028564 | 0 | 0 | 50,655 |
31,896,870 | 2015-08-08T17:51:00.000 | 2 | 0 | 1 | 0 | python,boolean-expression | 31,896,914 | 3 | false | 0 | 0 | Your multiple operators all have the same precedence, so now it is going to work through them serially. 1<2<3 goes to 1<2 which is T, then 2<3 is T. 2<3<1 has two parts, 2<3 is T, but 3<1 is F so the entire expression evaluates to F. | 1 | 2 | 0 | The title says it all. For example 1<2<3 returns True and 2<3<1 returns False.
It's great that it works, but I can't explain why it works... I can't find anything about it in the documentation. It's always: expression boolean_operator expression, not two boolean operators). Also: a<b returns a boolean, and boolean bo... | Why does `a<b<c` work in Python? | 0.132549 | 0 | 0 | 168 |
31,900,892 | 2015-08-09T04:24:00.000 | 0 | 0 | 1 | 0 | python | 32,379,727 | 5 | false | 0 | 0 | ('abc') is equivalent to 'abc'.
'a' in ('abc') is equivalent to 'a' in 'abc'.
'a' in ('abc', ) returns False as 'a' in ['abc'].
'a' in ['a', 'b', 'c'] returns True as 'a' in 'abc'. | 2 | 72 | 0 | When using the interpreter, the expression 'a' in ('abc') returns True, while 'a' in ['abc'] returns False. Can somebody explain this behaviour? | Why is 'a' in ('abc') True while 'a' in ['abc'] is False? | 0 | 0 | 0 | 4,571 |
31,900,892 | 2015-08-09T04:24:00.000 | 136 | 0 | 1 | 0 | python | 31,900,920 | 5 | false | 0 | 0 | ('abc') is the same as 'abc'. 'abc' contains the substring 'a', hence 'a' in 'abc' == True.
If you want the tuple instead, you need to write ('abc', ).
['abc'] is a list (containing a single element, the string 'abc'). 'a' is not a member of this list, so 'a' in ['abc'] == False | 2 | 72 | 0 | When using the interpreter, the expression 'a' in ('abc') returns True, while 'a' in ['abc'] returns False. Can somebody explain this behaviour? | Why is 'a' in ('abc') True while 'a' in ['abc'] is False? | 1 | 0 | 0 | 4,571 |
31,903,327 | 2015-08-09T10:39:00.000 | 0 | 0 | 1 | 0 | python-2.7,openerp,odoo | 31,917,329 | 2 | true | 0 | 0 | Python will give you functionalities(i.e. "Back end" Not DataBase) and XML will gives you the view(i.e "Front End").
OSV = Object Service. Keeps the definitions of objects and their fields in memory, more or less.
"arch" will give "View Architecture" for XML! | 2 | 1 | 0 | And also explain what is osv.osv and sometimes why we include class name at last line in python code like this student(). Why do we need to do that?
And last what is arch field in xml code.
Thanks in advance | What does python code do and what does xml code do in odoo? | 1.2 | 0 | 1 | 282 |
31,903,327 | 2015-08-09T10:39:00.000 | 2 | 0 | 1 | 0 | python-2.7,openerp,odoo | 31,939,808 | 2 | false | 0 | 0 | If you have experience with MVC, then you can compare odoo python file to a model / controller which holds the business logic, for creating masters etc
and a xml file to a view which is for presenting the data to the UI.
osv class inside in OSV module in OpenERP server , which contains all the OpenERP properties like... | 2 | 1 | 0 | And also explain what is osv.osv and sometimes why we include class name at last line in python code like this student(). Why do we need to do that?
And last what is arch field in xml code.
Thanks in advance | What does python code do and what does xml code do in odoo? | 0.197375 | 0 | 1 | 282 |
31,903,574 | 2015-08-09T11:10:00.000 | 0 | 0 | 0 | 1 | python,twisted | 32,285,162 | 2 | false | 0 | 0 | The only way to support a cross-platform unexpected disconnection (unplug) is to implement a application-level ping message to ping clients in a specific interval. | 1 | 2 | 0 | I wrote a TCP server using Python Twisted to send/receive binary data from clients.
When a client close their application or calls the abortConnection method, I get the connectionLost event normally but when the client disconnects unexpectedly, I don't get the disconnect event, therefore, I can't remove the disconnect... | Twisted unexpected connection lost | 0 | 0 | 0 | 860 |
31,904,761 | 2015-08-09T13:32:00.000 | 29 | 0 | 0 | 0 | python,web,tcp,flask,server | 31,904,923 | 1 | false | 1 | 0 | To answer to your second question. You can just hit the IP address of the machine that your flask app is running, e.g. 192.168.1.100 in a browser on different machine on the same network and you are there. Though, you will not be able to access it if you are on a different network. Firewalls or VLans can cause you prob... | 1 | 53 | 0 | I am reading the Flask documentation. I was told that with app.run(host='0.0.0.0'), I could make the server publicly available.
What does it mean ? How can I visit the server in another computer (just localhost:5000 in my own computer) ? | What does "app.run(host='0.0.0.0') " mean in Flask | 1 | 0 | 0 | 132,602 |
31,906,949 | 2015-08-09T17:32:00.000 | 2 | 0 | 1 | 0 | qpython | 41,871,252 | 4 | false | 0 | 0 | go to settings->input method select word-based | 3 | 2 | 0 | Very basic question. Im trying to use qpython. I can type things in the console but no obvious way to enter a return (or enter) | in qpython, how do I enter a "return" character | 0.099668 | 0 | 0 | 3,088 |
31,906,949 | 2015-08-09T17:32:00.000 | 0 | 0 | 1 | 0 | qpython | 32,237,684 | 4 | false | 0 | 0 | The console works just like a normally python console. You can use a function if you want to write a script in the console. | 3 | 2 | 0 | Very basic question. Im trying to use qpython. I can type things in the console but no obvious way to enter a return (or enter) | in qpython, how do I enter a "return" character | 0 | 0 | 0 | 3,088 |
31,906,949 | 2015-08-09T17:32:00.000 | 0 | 0 | 1 | 0 | qpython | 33,434,430 | 4 | false | 0 | 0 | There is no way of doing it.
The console will automatically input a break line when the line of code ends so you can continue inputting in the screen without any scroll bars.
For complex code, you should use the editor. | 3 | 2 | 0 | Very basic question. Im trying to use qpython. I can type things in the console but no obvious way to enter a return (or enter) | in qpython, how do I enter a "return" character | 0 | 0 | 0 | 3,088 |
31,907,080 | 2015-08-09T17:43:00.000 | 0 | 0 | 0 | 0 | python,algorithm,data-structures,queue | 31,908,093 | 1 | false | 0 | 0 | You can do something like this:
Start timer 60 minutes
Get the pages that people visits
Save pages
If timer is not ended do step 2-3 again if timed is ended:
Count wich one is the most visited
Count wich one is the second most visited
Etc | 1 | 0 | 0 | If there a data structures likes container/queue, based on time , I could use it this way: add item(may duplicate) into it one by one, pop out those added time ealier then 60 minutes; count the queue; then I got top 10 most added items, in a dymatice period, said, 60min.
How to implement this time based container ? | python, data structures, algorithm: how to rank top 10 most visited pages in latest 60 minutes? | 0 | 0 | 1 | 347 |
31,908,956 | 2015-08-09T21:21:00.000 | 1 | 0 | 0 | 0 | python,arrays,numpy | 31,909,251 | 3 | false | 0 | 0 | np.where is the answer. I spend time messing with np.place without knowing its existence. | 1 | 4 | 1 | Say I have a large array of value 0~255. I wanted every element in this array that is higher than 100 got multiplied by 1.2, otherwise, got multiplied by 0.8.
It sounded simple but I could not find anyway other than iterate through all the variable and multiply it one by one. | Numpy conditional multiply data in array (if true multiply A, false multiply B) | 0.066568 | 0 | 0 | 6,219 |
31,910,812 | 2015-08-10T02:22:00.000 | 0 | 0 | 0 | 1 | python,uwsgi,gunicorn,apscheduler | 31,929,832 | 1 | false | 1 | 0 | I'm not aware of any way to do this with either, at least not without some sort of RPC. That is, run APScheduler in a separate process and then connect to it from each worker. You may want to look up projects like RPyC and Execnet to do that. | 1 | 7 | 0 | The title basically says it all. I have gunicorn running my app with 5 workers. I have a data structure that all the workers need access to that is being updated on a schedule by apscheduler. Currently apscheduler is being run once per worker, but I just want it run once period. Is there a way to do this? I've tried us... | Running ApScheduler in Gunicorn Without Duplicating Per Worker | 0 | 0 | 0 | 1,182 |
31,914,900 | 2015-08-10T08:26:00.000 | 0 | 0 | 1 | 0 | python,garbage-collection | 35,272,896 | 1 | false | 0 | 0 | Unless you are overriding the __del__ methods, you should not worry about circular dependencies, as Python is able to properly cope with them. | 1 | 8 | 0 | I have some python code where gc.collect() seems to free a lot of memory. Given Python's reference counting nature, I am inclined to think that my program contains a lot of cyclical references. Since some data structures are rather big, I would like to introduce weak references. Now I need to find the circular referenc... | How to find out which specific circular references are present in code | 0 | 0 | 0 | 909 |
31,915,120 | 2015-08-10T08:39:00.000 | 2 | 0 | 1 | 0 | python-2.7 | 31,915,492 | 2 | false | 0 | 0 | Use pickle.dump in Python 3.x, or cPickle.dump in Python 2.x. | 1 | 2 | 1 | I just new in python. How to save variable data to file like save command in MATLAB.
Thank you | Python save variable to file like save() in MATLAB | 0.197375 | 0 | 0 | 1,761 |
31,923,606 | 2015-08-10T15:32:00.000 | 1 | 0 | 1 | 0 | python-2.7,windows-10,spyder | 32,023,483 | 1 | false | 0 | 0 | First, one correction: the problem was with starting Spyder, not running .py or .pyw files. Anyway, things work all right now after de-installing Spyder and Python, and reinstalling the Python(x,y) package (instead of Anaconda's). Then, when starting Spyder from the Python(x,y)start window, it behaves normally. | 1 | 0 | 0 | Can't open Spyder2 in Windows 10.0 (# 10240): the icon just appears briefly. Python 2.7.10 and Spyder 2.3.1 were loaded with Anaconda 2.3.0 (64-bit). The python console works fine - but I can't get my *.py or *.pyw files running. There is probably some message in the Python console when attemtping to open Spyder, but I... | Can't run Spyder or .py(w) scripts with Windows 10 | 0.197375 | 0 | 0 | 1,096 |
31,924,923 | 2015-08-10T16:43:00.000 | 0 | 0 | 1 | 0 | python,class,oop,default | 31,925,266 | 1 | true | 0 | 0 | Here are a few reasons you might want to use None as a default argument
It is actually the default value you want
This is especially applicable to SqlAlchemy because you may have a database column with default value of NULL
You want a mutable default value
Using a mutable default value such as a list can cause unpredic... | 1 | 0 | 0 | I see for defining a class in sqlalchemy, the popular pattern is to pass the variables of the User like name, password, email, etc. with default value None to the construct function.
But in other classes ( like posts of a blog ) they do not define default values.
so to clear :
why defining default values and why None ... | Why pass python construct variables with default None? | 1.2 | 0 | 0 | 76 |
31,926,126 | 2015-08-10T17:58:00.000 | 1 | 0 | 1 | 0 | python,arrays,pygame,blit | 31,948,684 | 2 | false | 0 | 1 | use pygame.sprite.Group or multithread the blit method. In pygame 1.9.2alpha, it releases the python gil and allows multi-cpu rendering.
Also look up for pygame dirty rendering. Depending on what you want to draw, this can give you significant speed increase. | 1 | 0 | 0 | I was looking for a faster way to blit multiple objects in pygame than the traditional blitting method, in which you have an array or list, and you use a for loop to go and insert each image at its position.
Maybe there is a way of blitting the whole array at once, without having to go value by value throughout the wh... | Using arrays to blit multiple objects in pygame? | 0.099668 | 0 | 0 | 662 |
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