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Check if an element is a child of a parent
I have the following code.
7 Answers
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Is sizeof(bool) defined in the C++ language standard?
I can't find an answer in the standard documentation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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Rails migrations: Undo default setting for a column
...em, that I have an migration in Rails that sets up a default setting for a column, like this example:
4 Answers
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How do I comment on the Windows command line?
In Bash, # is used to comment the following. How do I make a comment on the Windows command line?
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Check whether a variable is a string in Ruby
Is there anything more idiomatic than the following?
6 Answers
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Difference between @OneToMany and @ElementCollection?
What is the difference between using a @OneToMany and @ElementCollection annotation since both work on the one-to-many relationship?
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Which is the first integer that an IEEE 754 float is incapable of representing exactly?
For clarity, if I'm using a language that implements IEE 754 floats and I declare:
2 Answers
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VIM ctrlp.vim plugin: how to rescan files?
I have come across the awesome ctrlp.vim plugin . It is a good alternative to the Command-T plugin which I have used before. What I did not like about Command-T is that it would take about 20-30 seconds to rescan files when it is invoked for the first time after starting vim.
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Is there a way to follow redirects with command line cURL?
I know that in a php script:
3 Answers
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Pass Nothing from Javascript to VBScript in IE9
I have a framework written in VBScript. Inside some function in this framework parameter of the function is checked for Nothing in If statement and then some actions executed.
Code that uses framework written in Javascript. So I need to pass Nothing to function to perform some actions. In IE8 and ea...