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Missing file warnings showing up after upgrade to Xcode 4
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This doesn't seem to be working for me. I would add the file back, and then delete it, but the same warning still shows up in the build. I even tried to add the files back to the project and then delete them. Still the same pro...
Android: Rotate image in imageview by an angle
...t) angle, pivotX, pivotY);
imageView.setImageMatrix(matrix);
This method does not require creating a new bitmap each time.
NOTE: To rotate an ImageView on ontouch at runtime you can
set onTouchListener on ImageView & rotate it by adding last two
lines(i.e. postRotate matrix & set...
Convert python datetime to epoch with strftime
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If you want to convert a python datetime to seconds since epoch you could do it explicitly:
>>> (datetime.datetime(2012,04,01,0,0) - datetime.datetime(1970,1,1)).total_seconds()
1333238400.0
In Python 3.3+ you can use timestamp() instead:
>>> datetime.datetime(2012,4,1,0,0).ti...
How does libuv compare to Boost/ASIO?
...the platform layer for Node.js. It provides an abstraction for IOCP on Windows, kqueue on macOS, and epoll on Linux. Additionally, it looks as though its scope has increased slightly to include abstractions and functionality, such as threads, threadpools, and inter-thread communication.
At their ...
PDO's query vs execute
Are they both do the same thing, only differently?
3 Answers
3
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How to prevent IFRAME from redirecting top-level window
...E inside an parent page P some Javascript in A redirects the outer window to A .
9 Answers
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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
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Your second example does not work if you send the argument by reference. Did you mean
void copyVecFast(vec<int> original) // no reference
{
vector<int> new_;
new_.swap(original);
}
That would work, but an easier way is
vec...
IntelliJ show JavaDocs tooltip on mouse over
...a method, variable, etc. a tooltip is displayed with the corresponding JavaDocs. Is there such a feature in IntelliJ?
21 An...
Convert NaN to 0 in javascript
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You can do this:
a = a || 0
...which will convert a from any "falsey" value to 0.
The "falsey" values are:
false
null
undefined
0
"" ( empty string )
NaN ( Not a Number )
Or this if you prefer:
a = a ? a : 0;
...which wi...
In Git, what is the difference between origin/master vs origin master?
...jects/my-project adds a remote named "home". You may wish to refer to the documentation: git-scm.com/docs/git-remote
– Dietrich Epp
Oct 31 '14 at 16:03
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