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Cron jobs and random times, within given hours

...m, it'd be a little more complicated to randomize the seconds as well. Finally, since the start times are random and independent of each other, it's possible (but not very likely) that two or more instances of the script will be started simultaneously. ...
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Soft keyboard open and close listener in an activity in Android

...c class BaseActivity extends Activity { private ViewTreeObserver.OnGlobalLayoutListener keyboardLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { int heightDiff = rootLayout.getRootView().getHeight() - rootLayout...
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Do browsers parse javascript on every page load?

...een able to dig up. It's worth noting first that although JavaScript is usually considered to be interpreted and run on a VM, this isn't really the case with the modern interpreters, which tend to compile the source directly into machine code (with the exception of IE). Chrome : V8 Engine V8 has...
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How to specify in crontab by what user to run script? [closed]

...tab jobs that run under root, but that gives me some problems. For example all folders created in process of that cron job are under user root and group root. How can i make it to run under user www-data and group www-data so when i run scripts from my website i can manipulate those folders and fil...
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Hibernate vs JPA vs JDO - pros and cons of each? [closed]

... other advantage of JDO/DataNucleus over hibernate is that it doesn't have all the run time reflection overhead and is more memory efficient because it uses build time byte code enhancement (maybe add 1 sec to your build time for a large project) rather than hibernate's run time reflection powered p...
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What is “origin” in Git?

...s an alias on your system for a particular remote repository. It's not actually a property of that repository. By doing git push origin branchname you're saying to push to the origin repository. There's no requirement to name the remote repository origin: in fact the same repository could have a...
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How to convert int[] into List in Java?

...the ArrayList when it is being constructed will prevent it having to internally resize after a certain amount is added. Not sure if the benefit is small, but there's definitely a benefit. – Grundlefleck Jan 24 '10 at 20:22 ...
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File size exceeds configured limit (2560000), code insight features not available

...tance for. # The larger file is the slower its editor works and higher overall system memory requirements are # if code assistance is enabled. Remove this property or set to very large number if you need # code assistance for any files available regardless their size. #------------------------------...
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Rails respond_with: how does it work?

...it works (what options you can use, etc) or point me to the place it's actually implemented so I can peruse the code on my own? ...
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Print a file, skipping the first X lines, in Bash [duplicate]

...reat-big-file.log < Last 10 lines of great-big-file.log > If you really need to SKIP a particular number of "first" lines, use $ tail -n +<N+1> <filename> < filename, excluding first N lines. > That is, if you want to skip N lines, you start printing line N+1. Example: ...