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Django - How to rename a model field using South?

...I had a column with a uniqueness constraint, renamed it using this method, tested that the uniqueness constraint still existed and got an error but the name of the constraint itself was still using the old column name. Perhaps an explicit db.delete_unique and db.create_unique would have done it but ...
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Error: request entity too large

... about this problem. [edit - found the solution] After some research and testing, I found that when debugging, I added app.use(express.bodyParser({limit: '50mb'}));, but after app.use(express.json());. Express would then set the global limit to 1mb because the first parser he encountered when runn...
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How to display all methods of an object?

...sure there are others) are't normal objects. To see this, create a simple test script: <html> <body> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js"></script> <script type="text/javascript"> $(functi...
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How do I convert an integer to binary in JavaScript?

...notation. I made this little function which should do the trick, I haven't tested it out properly: function dec2Bin(dec) { if(dec >= 0) { return dec.toString(2); } else { /* Here you could represent the number in 2s compliment but this is not what JS uses ...
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Image fingerprint to compare similarity of many images

...re() function instead of having to download the image first. Also, from my testing, the threshold for "a very similar image" should be >90%, not >98%. – thdoan Jul 16 '16 at 7:13 ...
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What does it mean when an HTTP request returns status code 0?

... It is worth a lot: it is exactly what was misfiring in my automated tests. Thanks a lot! – alexfernandez Nov 25 '11 at 23:06 ...
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How do I show a console output/window in a forms application?

... I tested on Windows 8 and Windows 10: - AttachConsole works from a cmd box - AllocConsole works from Visual Studio. When alloc is needed, AttachConsole returns false. You should also call FreeConsole() before terminating the ap...
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How to properly seed random number generator

...roduce a given sequence (which is usually only done for debugging and unit testing). After that you simply call Intn to get the next random integer. Move the rand.Seed(time.Now().UTC().UnixNano()) line from the randInt function to the start of the main and everything will be faster. Note also tha...
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Soft keyboard open and close listener in an activity in Android

.../LinearLayout> </LinearLayout> And the activity: public class TestActivity extends BaseActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.test_activity); attachKeyboardLis...
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Is there an S3 policy for limiting access to only see/access one bucket?

... "arn:aws:s3:::bucket-a/*" ] } ] } This method was tested with Cyberduck on Mac OS/X and using the s3cmd package ./s3cmd ls s3://bucket-a --access_key=ACCESS_KEY --secret_key=SECRET_KEY --bucket-locat ion=ap-southeast-2 ...