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Why not to deploy on a Friday? [closed]
Joel mentioned in StackOverflow podcast #24 that it's FogCreek company policy to not ship software on Fridays. However, he didn't elaborate as to why.
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Maximum length for MD5 input/output
What is the maximum length of the string that can have md5 hashed? Or: If it has no limit, and if so what will be the max length of the md5 output value?
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How to generate a random number between a and b in Ruby?
To generate a random number between 3 and 10, for example, I use: rand(8) + 3
8 Answers
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Aborting a shell script if any command returns a non-zero value?
I have a Bash shell script that invokes a number of commands.
I would like to have the shell script automatically exit with a return value of 1 if any of the commands return a non-zero value.
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How do I use extern to share variables between source files?
I know that global variables in C sometimes have the extern keyword. What is an extern variable? What is the declaration like? What is its scope?
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Mercurial for Beginners: The Definitive Practical Guide
Inspired by Git for beginners: The definitive practical guide.
22 Answers
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Why is there no SortedList in Java?
In Java there are the SortedSet and SortedMap interfaces. Both belong to the Java Collections framework and provide a sorted way to access the elements.
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How to use the toString method in Java?
Can anybody explain to me the concept of the toString() method, defined in the Object class? How is it used, and what is its purpose?
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
If you read the comments at the jQuery inArray page here , there's an interesting declaration:
13 Answers
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How do I return early from a rake task?
I have a rake task where I do some checks at the beginning, if one of the checks fails I would like to return early from the rake task, I don't want to execute any of the remaining code.
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