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NSUserDefaults - How to tell if a key exists
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dreamlax
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answered Dec 27 '09 at 1:31
jspcaljspca...
Tri-state Check box in HTML?
...ML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state cannot be set in the HTML markup, it ca...
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...to do such "unsafe" FP optimizations, but GCC (on anything other than the x87) makes a reasonable attempt at following IEEE 754 - it's not "error bounds"; there is only one correct answer.
– tc.
Jun 22 '11 at 2:19
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How to display Base64 images in HTML?
... VinayCVinayC
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How to create empty text file from a batch file?
...e ., the console would read "ECHO is off." Using echo. 2 effectively silences console output by only displaying a newline.
– OneManBand
Nov 19 '14 at 19:28
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How to work with Git branches and Rails migrations
...s, rollback (rake db:rollback) to the state before the branch point. Then, after switching branches, run db:migrate. This is mathematically correct, and as long as you write down scripts, it will work.
If you forget to do this before switching branches, in general you can safely switch back, rollb...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...ered Jul 15 '10 at 22:39
gazzaaa87gazzaaa87
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How do Python's any and all functions work?
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answered Feb 10 '17 at 5:46
JobinJobin
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How can I exclude $(this) from a jQuery selector?
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Dan HerbertDan Herbert
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How can I merge two commits into one if I already started rebase?
...your history is
$ git log --pretty=oneline
a931ac7c808e2471b22b5bd20f0cad046b1c5d0d c
b76d157d507e819d7511132bdb5a80dd421d854f b
df239176e1a2ffac927d8b496ea00d5488481db5 a
That is, a was the first commit, then b, and finally c. After committing c we decide to squash b and c together:
(Note: Runn...