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What are the differences between various threading synchronization options in C#?
Can someone explain the difference between:
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How to navigate through the source code by parts in CamelCase (instead of whole words)?
...Appearance & Behavior | Keymap | Editor Actions. This image shows an example where I access the previous behavior by adding ctrl:
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sqlalchemy flush() and get inserted id?
... of sqlalchemy .6+, there is a very simple solution (I don't know if this exists in prior version, though I imagine it does):
session.refresh()
So, your code would look something like this:
f = Foo(bar=x)
session.add(f)
session.flush()
# At this point, the object f has been pushed to the DB,
# a...
Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
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Single huge .css file vs. multiple smaller specific .css files? [closed]
...and maintain. Highly, highly recommended. I personally use Sass (SCSS syntax) now, but used LESS previously. Both are great, with similar benefits. Once you've written CSS with a compiler, it's unlikely you'd want to do without one.
http://lesscss.org
http://sass-lang.com
If you don't want to mes...
How to prune local tracking branches that do not exist on remote anymore
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How can I check for “undefined” in JavaScript? [duplicate]
... value, then using the in operator is the safest way to go. Consider this example:
// global scope
var theFu; // theFu has been declared, but its value is undefined
typeof theFu; // "undefined"
But this may not be the intended result for some cases, since the variable or property was declared but...
Filtering a list based on a list of booleans
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>>> list(compress(list_a, fil))
[1, 4]
Timing comparisons(py3.x):
>>> list_a = [1, 2, 4, 6]
>>> fil = [True, False, True, False]
>>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list_a...
Fastest method of screen capturing on Windows
...rTarget, pDestTarget);
//save its contents to a bitmap file.
hr = D3DXSaveSurfaceToFile(file,
D3DXIFF_BMP,
pDestTarget,
NULL,
NULL);
// clean up.
pRenderTarget->Rel...
How to import existing *.sql files in PostgreSQL 8.4?
...sql
Note that you may need to import the files in a specific order (for example: data definition before data manipulation). If you've got bash shell (GNU/Linux, Mac OS X, Cygwin) and the files may be imported in the alphabetical order, you may use this command:
for f in *.sql ; do psql -f $f ; d...