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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
What's a quick-and-dirty way to make sure that only one instance of a shell script is running at a given time?
40 Answers
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How do you connect to multiple MySQL databases on a single webpage?
I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
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How can I redirect HTTP requests made from an iPad?
Since on an iPad we cannot edit the hosts file (without jailbreaking), how can we arbitrarily redirect web traffic to another url?
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What is this 'Lambda' everyone keeps speaking of?
What is this 'Lambda' everyone keeps speaking of? A lot of people seem to love it, but all I can gather from it is it is just a way of cramming lots of lines of code into a single expression.
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Checkout subdirectories in Git?
Is it possible to check out subdirectories of a repository in Git?
9 Answers
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Is it safe to delete a NULL pointer?
Is it safe to delete a NULL pointer?
7 Answers
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
Is there a function in PHP that can decode Unicode escape sequences like " \u00ed " to " í " and all other similar occurrences?
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How to retrieve the current value of an oracle sequence without increment it?
Is there an SQL instruction to retrieve the value of a sequence that does not increment it.
6 Answers
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Angular JS break ForEach
I have an angular foreach loop and i want to break from loop if i match a value. The following code does not work.
21 Answe...
How to install PostgreSQL's pg gem on Ubuntu?
I'm trying to install PostgreSQL's pg gem for Ruby.
19 Answers
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