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Impossible to make a cached thread pool with a size limit?

... The ThreadPoolExecutor has the following several key behaviors, and your problems can be explained by these behaviors. When tasks are submitted, If the thread pool has not reached the core size, it creates new threads. If the core size has been reached and there is no idle threads, it ...
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Bash script to receive and repass quoted parameters

...echo $* bash myecho.sh "$@" Note the "$@" construct is not bash specific and should work with any POSIX shell (it does with dash at least). Note also that given the output you want, you don't need the extra level of quoting at all. I.E. just call the above script like: ./test.sh 1 2 "3 4" ...
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How do I find the time difference between two datetime objects in python?

...nly holds the difference. In the example above it is 0 minutes, 8 seconds and 562000 microseconds. share | improve this answer | follow | ...
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git pull fails “unable to resolve reference” “unable to update local ref”

...remote prune origin man git-gc(1): git-gc - Cleanup unnecessary files and optimize the local repository git gc [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune] Runs a number of housekeeping tasks within the current repository, such as compressing file revisions ...
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Parse query string in JavaScript [duplicate]

... Here is a fast and easy way of parsing query strings in JavaScript: function getQueryVariable(variable) { var query = window.location.search.substring(1); var vars = query.split('&'); for (var i = 0; i < vars.length; i++...
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Get the correct week number of a given date

I have Googled a lot and found a lot of solutions, but none of them give me the correct week number for the 2012-12-31. Even the example on MSDN ( link ) fails. ...
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Unable to find valid certification path to requested target - error even after cert imported

... Unfortunately - it could be many things - and lots of app servers and other java 'wrappers' are prone to play with properties and their 'own' take on keychains and what not. So it may be looking at something totally different. Short of truss-ing - I'd try: java -D...
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Greedy vs. Reluctant vs. Possessive Quantifiers

I found this excellent tutorial on regular expressions and while I intuitively understand what "greedy", "reluctant" and "possessive" quantifiers do, there seems to be a serious hole in my understanding. ...
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how to change default python version?

... in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version? ...
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How to write to a file in Scala?

...gement. Edit (September 2011): since Eduardo Costa asks about Scala2.9, and since Rick-777 comments that scalax.IO commit history is pretty much non-existent since mid-2009... Scala-IO has changed place: see its GitHub repo, from Jesse Eichar (also on SO): The Scala IO umbrella project consi...