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How can I split a string into segments of n characters?
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This is technically the better answer as it will grab all the text from a string that's not evenly divisible by 3 (it will grab the last 2 or 1 characters).
– Erik
Jun 7 '11 at 0:36
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Java synchronized static methods: lock on object or class
...en when there are multiple instances of that class. The locking is essentially the same as locking on the Object.class for each synchronized method.
– Steven
Oct 16 '12 at 23:36
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git: Switch branch and ignore any changes without committing
...ou need a clean state to change branches. The branch checkout will only be allowed if it does not affect the 'dirty files' (as Charles Bailey remarks in the comments).
Otherwise, you should either:
stash your current change or
reset --hard HEAD (if you do not mind losing those minor changes) or
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Sublime Text 3, convert spaces to tabs
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yes, I know. My desire is to make this automatically ... any idea?
– chris
Mar 20 '14 at 14:02
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How to apply two CSS classes to a single element
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<a class="c1 c2">aa</a>
2) To target elements that contain all of the specified classes, use this CSS selector (no space) (ref):
.c1.c2 {
}
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How can you run a command in bash over until success
...y to Ctr-C out of this: until passwd; do echo "Try again"; sleep 2; done - all you have to do is press Ctr-C right after (within the two seconds given) the echo did it's job.
– Christian
Aug 23 '13 at 20:14
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git: updates were rejected because the remote contains work that you do not have locally
I'm working on a team with a few developers using git on BitBucket. We are all working on a dev branch, not pushing to master until a release.
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Generate 'n' unique random numbers within a range [duplicate]
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We, could instead of enclosing the random.sample() call inside the try...except block, check if the size of the sample (3 above) is smaller or equal (<=) than the size of the population (range(1, 2) above).
– Hakim
Mar 11 '17 at 19:42
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How can I view array structure in JavaScript with alert()?
...t language spec, so you shouldn't rely on the JSON object being present in all browsers, but for debugging purposes it's incredibly useful.
I tend to use the jQuery-json plugin as follows:
alert( $.toJSON(myArray) );
This prints the array in a format like
[5, 6, 7, 11]
However, for debugging ...
How to do something to each file in a directory with a batch script
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Another way:
for %f in (*.mp4) do call ffmpeg -i "%~f" -vcodec copy -acodec copy "%~nf.avi"
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