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Ruby/Rails: converting a Date to a UNIX timestamp
How would I get a UNIX timestamp (number of seconds since 1970 GMT) from a Date object in a Rails app?
5 Answers
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Difference between size_t and std::size_t
...d integer type of the result of the sizeof operator.
C Standard says in §17.7/2,
size_t which is the unsigned integer type of the result of the sizeof operator
And C++ Standard says (about cstddef header) in §18.1/3,
The contents are the same as the Standard C library header , with the ...
Using smart pointers for class members
...g trouble understanding the usage of smart pointers as class members in C++11. I have read a lot about smart pointers and I think I do understand how unique_ptr and shared_ptr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using unique_...
is node.js' console.log asynchronous?
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Update: Starting with Node 0.6 this post is obsolete, since stdout is synchronous now.
Well l...
Mock vs MagicMock
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101
What is the reason for plain Mock existing?
Mock's author, Michael Foord, addressed a very si...
How to properly check if std::function is empty in C++11?
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105
You're not checking for an empty lambda, but whether the std::function has a callable target s...
Subtract two variables in Bash
...he exit status:
The exit status is 0 if EXPRESSION is neither null nor 0, 1 if EXPRESSION is null or 0.
Keep this in mind when using the expression in a bash script in combination with set -e which will exit immediately if a command exits with a non-zero status.
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How does MongoDB sort records when no sort order is specified?
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What is the default sort order when none is specified?
The default internal sort order (or na...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
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195
I think you're a little confused. PYTHONPATH sets the search path for importing python modules...
When should I use malloc in C and when don't I?
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char *some_memory = "Hello World";
is creating a pointer to a string constant. That means th...