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Generating a PNG with matplotlib when DISPLAY is undefined
...s. The solution for me was to add the following code in a place that gets read before any other pylab/matplotlib/pyplot import:
import matplotlib
# Force matplotlib to not use any Xwindows backend.
matplotlib.use('Agg')
The alternative is to set it in your .matplotlibrc
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What's the bad magic number error?
.... Use any Hex editor to open this pyc file. I used freeware 'HexEdit'. Now read hex value of first two bytes. In my case, these were 03 f3.
Open calc and convert its display mode to Programmer (Scientific in XP) to see Hex and Decimal conversion. Select "Hex" from Radio button. Enter values as seco...
How do I use an INSERT statement's OUTPUT clause to get the identity value?
...ute the SQL query with .ExecuteScalar() (instead of .ExecuteNonQuery()) to read the resulting ID back.
Or if you need to capture the newly inserted ID inside T-SQL (e.g. for later further processing), you need to create a table variable:
DECLARE @OutputTbl TABLE (ID INT)
INSERT INTO MyTable(Name,...
How can I run a directive after the dom has finished rendering?
I've got a seemingly simple problem with no apparent (by reading the Angular JS docs) solution.
6 Answers
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How to check if a user is logged in (how to properly use user.is_authenticated)?
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The document says: Read-only attribute which is always True (as opposed to AnonymousUser.is_authenticated which is always False). This is a way to tell if the user has been authenticated. This does not imply any permissions and doesn’t check ...
How to capitalize the first letter in a String in Ruby
...et ignored in downcase/upcase/capitalize operations. (Which of course also reads to wrong results, but at least it's easy to check.)
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Streaming Audio from A URL in Android using MediaPlayer?
... take sometime to buffer the content so prepare it inside the background thread and starting it on UI thread.
* @author piyush
*
*/
class Player extends AsyncTask<String, Void, Boolean> {
private ProgressDialog progress;
@Override
protected Boolean doInBackground(String... par...
How to launch an Activity from another Application in Android
...that it must always work, because package names are public so any apps can read them out. From your apps I think you cannot determine from where was it called but your app can determines that it can not be call via the main activity just via services.
– andep
S...
How to get a list of column names on Sqlite3 database?
...t); .mode insert TmpCols .output cols PRAGMA TABLE_INFO('yourtable'); .read cols .mode csv .output stdout
– Jason
Jan 5 '12 at 7:03
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Performing regex Queries with pymongo
...>> db.collectionname.find({'files':{'$regex':'^File'}})
It's worth reading up on the bson Regex documentation if you plan to use regex queries because there are some caveats.
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