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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...
Change the font of a UIBarButtonItem
... forState:(UIControlState)state
but this is for iOS5 only. For iOS 3/4, you will have to use a custom view.
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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 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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Database cluster and load balancing
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132
Database clustering is a bit of an ambiguous term, some vendors consider a cluster having two o...
how to set textbox value in jquery
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edited Nov 16 '10 at 12:32
answered Nov 16 '10 at 12:16
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best practice to generate random token for forgot password
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edited May 23 '17 at 11:33
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