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MySQL OPTIMIZE all tables?
MySQL has an OPTIMIZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself?
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JavaScript seconds to time string with format hh:mm:ss
I want to convert a duration of time, i.e., number of seconds to colon-separated time string (hh:mm:ss)
43 Answers
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p vs puts in Ruby
...y a newline, i.e. it prints the value of inspect instead of to_s, which is more suitable for debugging (because you can e.g. tell the difference between 1, "1" and "2\b1", which you can't when printing without inspect).
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How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
In Windows you can zip some files by
17 Answers
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How to get a list of current open windows/process with Java?
...s any one know how do I get the current open windows or process of a local machine using Java?
14 Answers
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How can I quickly sum all numbers in a file?
I have a file which contains several thousand numbers, each on it's own line:
33 Answers
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How can I check if a command exists in a shell script? [duplicate]
I am writing my first shell script. In my script I would like to check if a certain command exists, and if not, install the executable. How would I check if this command exists?
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How do I set the default locale in the JVM?
I want to set the default Locale for my JVM to fr_CA . What are the possible options to do this?
7 Answers
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Find() vs. Where().FirstOrDefault()
...people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference.
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What is the rationale behind having companion objects in Scala?
Is there a case where a companion object (singleton) for a class is needed? Why would I want to create a class, say Foo and also create a companion object for it?
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