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How to sort with a lambda?
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What a crappy operator>, then.
– GManNickG
Feb 25 '11 at 23:13
2
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How to retrieve a user environment variable in CMake (Windows)
...cation:
FOO=1 cmake
or by exporting a variable in BASH:
export FOO=1
Then you can pick it up in a cmake script using:
$ENV{FOO}
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Failed binder transaction when putting an bitmap dynamically in a widget
...te the binder error spam. Does the bundle get written to local storage and then prefetched or what? Can I possibly lose data if I add more pages?
– G_V
Dec 3 '14 at 8:18
7
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Equivalent of typedef in C#
...ublic class FooList : LikeType<IReadOnlyList<Foo>> { ... } and then use it anywhere you would expect a IReadOnlyList<Foo>. My answer below shows more detail.
– Matt Klein
Mar 16 '16 at 19:01
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Fetch frame count with ffmpeg
...find Duration: hh:mm:ss.nn to determine the source video clip size. Then, for each update line (CR, no LF) you can parse the text for the current time mark it is at:
frame= 84 fps= 18 q=10.0 size= 5kB time=1.68 bitrate= 26.1kbits/s
frame= 90 fps= 17 q=10.0 size= 6kB time=...
std::vector versus std::array in C++
...and because whenever std::vector<T>s resize, they reserve more space then they need. This is to prevent them from having to resize every time a new element is inserted. This behavior can be changed by providing a custom allocator, but I never felt the need to do that!
Edit: After reading Z...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
...UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the f...
Finding local IP addresses using Python's stdlib
...this answer.
If you are behind a NAT firewall like your wifi box at home, then this will not show your public NAT IP, but instead your private IP on the local network which has a default route to your local WIFI router; getting your wifi router's external IP would either require running this on THA...
jQuery append() - return appended elements
...around by first creating newHtml with jQuery(html [, ownerDocument ]), and then using appendTo(target) (note the "To" bit) to add that it to the end of #mydiv.
Because you now start with $(newHtml) the end result of appendTo('#myDiv') is that new bit of html, and the .effects(...) call will be on ...
INNER JOIN vs LEFT JOIN performance in SQL Server
... constraints exist.
If A.KEY is a nullable foreign key referencing B.KEY, then the optimizer cannot drop B from the plan because it must confirm that a B row exists for every A row.
If A.KEY is a mandatory foreign key referencing B.KEY, then the optimizer is free to drop B from the plan because t...