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Django - how to create a file and save it to a model's FileField?
...nt to have a look at FileField and FieldFile in the Django docs, and especially FieldFile.save().
Basically, a field declared as a FileField, when accessed, gives you an instance of class FieldFile, which gives you several methods to interact with the underlying file. So, what you need to do is:
s...
What does -save-dev mean in npm install grunt --save-dev
...v: Package will appear in your devDependencies.
According to the npm install docs.
If someone is planning on downloading and using your module in their program, then they probably don't want or need to download and build the external test or documentation framework that you use.
In other wor...
HttpURLConnection timeout settings
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N.B. !!! you need to call setConnectTimeout before any of the methods that implicitly connect (basically all the methods that throw IllegalStateException if already connected). Ideally make setConnectTimeout (readTimeout) the first methods called....
SQL update trigger only when column is modified
...ue, if new value equal to old value in one or multi row, solution 1 update all updated row in Schedule table but solution 2 update only schedule rows that old value not equal to new value.
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How to create a new database using SQLAlchemy?
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On postgres, three databases are normally present by default. If you are able to connect as a superuser (eg, the postgres role), then you can connect to the postgres or template1 databases. The default pg_hba.conf permits only the unix user named postgres to u...
How do I start a program with arguments when debugging?
...s. Then click on the Debug tab, and fill in your arguments in the textbox called Command line arguments.
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How to handle the modal closing event in Twitter Bootstrap?
...l: This event is fired immediately when the hide instance method has been called.
hidden.bs.modal: This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to complete).
And provide an example on how to use them:
$('#myModal').on('hidden.bs.modal...
space between divs - display table-cell
...;
background-color: gold;
}
JSBin Demo
Any other option?
Well, not really.
Why?
margin property is not applicable to display: table-cell elements.
padding property doesn't create space between edges of the cells.
float property destroys the expected behavior of table-cell elements which are...
Find a commit on GitHub given the commit hash
...ve the repository checked out, from the command line, you can achieve basically the same thing with either of these commands (unique prefixes work here too):
git show 35e32b6a00dec02ae7d7c45c6b7106779a124685
git log -p -1 35e32b6a00dec02ae7d7c45c6b7106779a124685
Note: If you shorten the commit ha...
Current time formatting with Javascript
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A JavaScript Date has several methods allowing you to extract its parts:
getFullYear() - Returns the 4-digit year
getMonth() - Returns a zero-based integer (0-11) representing the month of the year.
getDate() - Returns the day of the month (1-31).
getDay() - Ret...