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Favourite performance tuning tricks [closed]
...n-optimal query plan
Break up the Join
Can you break up the join?
Pre-select foreign keys into a temporary table
Do half the join and put results in a temporary table
Are you using the right kind of temporary table?
#temp tables may perform much better than @table variables with large volum...
Virtualizing an ItemsControl?
...the sort of thing I was looking for! I was looking for a different kind of selection behavior than a listbox and at the time I thought it would be easiest to do with an items control.
– Rachel
May 7 '10 at 12:20
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How do I dump the data of some SQLite3 tables?
...SOME_STRING' for something other than a comma.
.headers on
.out file.csv
select * from MyTable;
If you want to reinsert into a different SQLite database then:
.mode insert <target_table_name>
.out file.sql
select * from MyTable;
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How to swap the buffers in 2 windows emacs
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If you just want to swap windows (independent on the selected one), you can use the following (defun win-swap () "Swap windows using buffer-move.el" (interactive) (if (null (windmove-find-other-window 'right)) (buf-move-left) (buf-move-right)))
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How to style dt and dd so they are on the same line?
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This behaves awkwardly when you select (double click) the first word in the <dd>. It also selects the text inside the <dt> unless there's whitespace (or an &nbsp; if you're using htmlmin) between the <dt> and <dd>.
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How to add color to Github's README.md file
...pan>!
</text>
</svg>
Unfortunately, even though you can select and copy text when you open the .svg file, the text is not selectable when the SVG image is embedded.
Demo: https://gist.github.com/CyberShadow/95621a949b07db295000
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How to create a video from images with FFmpeg?
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-pattern_type glob
This great option makes it easier to select the images in many cases.
Slideshow video with one image per second
ffmpeg -framerate 1 -pattern_type glob -i '*.png' \
-c:v libx264 -r 30 -pix_fmt yuv420p out.mp4
Add some music to it, cutoff when the presumably...
How do you remove the root CA certificate that fiddler installs
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Are you sure you don't need to first deselect the "Decrypt HTTPS traffic", then choose "Remove Interception Certificates"?
– bozzle
Apr 18 '17 at 0:51
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Best approach to real time http streaming to HTML5 video client
...for the detailed background and pro/cons about the various options. I have selected this answer as the accepted one as the outline of the concepts are more important than the specific fix which I found to answer the original question. Good luck with the bounty!
– deandob
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How to convert a std::string to const char* or char*?
...ne. Another reason to want a char* (non const) is to operate with MPI broadcast. It looks nicer if you don't have to copy back and forth. I would have personally offered a char* const getter to string. Const pointer, but editable string. Although it may have messed with the implicit conversion from ...