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Difference between dispatch_async and dispatch_sync on serial queue?
...sync(_serialQueue, ^{ printf("3"); });
printf("4");
It may print 2413 or 2143 or 1234 but 1 always before 3
for this code
dispatch_sync(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_sync(_serialQueue, ^{ printf("3"); });
printf("4");
it always print 1234
Note: For first code, it w...
How to do this using jQuery - document.getElementById(“selectlist”).value
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answered Aug 21 '09 at 5:06
ChaosPandionChaosPandion
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Moving default AVD configuration folder (.android)
...s with the computer.
– MichaelF
Mar 21 '12 at 12:39
3
Thanks a lot. Many other sources suggested ...
CSS: how to add white space before element's content?
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HugolpzHugolpz
13.5k2121 gold badges7676 silver badges160160 bronze badges
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Convert UTC to local time in Rails 3
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21
How could you automatically use the time zone for the user accessing the web app?
– dmonopoly
Aug 13...
Rails 3 datatypes?
...ce it.
– Harry Moreno
Jul 17 '13 at 21:21
1
@HarryMoreno: Thanks for the tip! I updated the refer...
How to do an INNER JOIN on multiple columns
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edited Mar 2 '10 at 21:39
answered Mar 2 '10 at 21:15
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Appending to an existing string
..."bar") doesn't work...
– xxjjnn
Dec 21 '12 at 11:32
@RainbowPony As my answer shows, << already modifies the sta...
Scala @ operator
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answered Mar 1 '10 at 21:56
Daniel C. SobralDaniel C. Sobral
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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...tags?
– Tárcio Zemel
Jun 15 '13 at 21:26
3
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