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What is the difference between :first-child and :first-of-type?
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Inline code highlighting in reStructuredText
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ChrisChris
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PG::ConnectionBad - could not connect to server: Connection refused
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How to create empty text file from a batch file?
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How is the “greater than” or “>” character used in CSS?
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203
It's a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags th...
How to detect UI thread on Android?
...) {
// On UI thread.
} else {
// Not on UI thread.
}
From API level 23 and up, there's a slightly more readable approach using new helper method isCurrentThread on the main looper:
if (Looper.getMainLooper().isCurrentThread()) {
// On UI thread.
} else {
// Not on UI thread.
}
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GIT merge error “commit is not possible because you have unmerged files”
...tenjonnystoten
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Comparing boxed Long values 127 and 128
...val1 = 127L;
Long val2 = 127L;
System.out.println(val1 == val2);
Long val3 = 128L;
Long val4 = 128L;
System.out.println(val3 == val4);
Outputs this:
true
false
For the 127L value, since both references (val1 and val2) point to the same object instance in memory (cached), it returns true...
Unix shell script find out which directory the script file resides?
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edited Feb 28 '16 at 3:37
James Ko
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answ...