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How can I randomize the lines in a file using standard tools on Red Hat Linux?
...iner you get!
perl -MList::Util -e 'print List::Util::shuffle <>'
It uses a module, but the module is part of the Perl code distribution. If that's not good enough, you may consider rolling your own.
I tried using this with the -i flag ("edit-in-place") to have it edit the file. The docume...
Calculate age given the birth date in the format YYYYMMDD
...can I calculate an age in years, given a birth date of format YYYYMMDD? Is it possible using the Date() function?
40 Answ...
check if directory exists and delete in one command unix
Is it possible to check if a directory exists and delete if it does,in Unix using a single command? I have situation where I use ANT 'sshexec' task where I can run only a single command in the remote machine. And I need to check if directory exists and delete it...
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Any open source alternatives to balsamiq mockup [closed]
As the title reads, I'm looking for open source alternatives to balsamiq mockup for prototyping. Anyone knows of an equally good alternative that's open source or basically freeware.
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How to reload page every 5 seconds?
...t to html; once I make the changes in code/html/css, every time I have to hit F5. Is there any simple javascript/jQuery solution for this? I.e. after I add the script, reload the whole page every 5 seconds (or some other specific time).
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How to output in CLI during execution of PHP Unit tests?
When running a PHPUnit test, I would like to be able to dump output so I can debug one or two things.
17 Answers
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.gitignore and “The following untracked working tree files would be overwritten by checkout”
So I added a folder to my .gitignore file.
29 Answers
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How should equals and hashcode be implemented when using JPA and Hibernate
...ss's equals and hashcode be implemented in Hibernate? What are the common pitfalls? Is the default implementation good enough for most cases? Is there any sense to use business keys?
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Equivalent C++ to Python generator pattern
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Generators exist in C++, just under another name: Input Iterators. For example, reading from std::cin is similar to having a generator of char.
You simply need to understand what a generator does:
there is a blob of data: the local variables define a state
there is an init meth...
Why are Objective-C delegates usually given the property assign instead of retain?
...oth are the same in a garbage collected environment. I'm mostly concerned with a non-GC based environment (eg: iPhone).
4 A...