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C++: What is the size of an object of an empty class?
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Quoting Bjarne Stroustrup's C++ Style and Technique FAQ, the reason the size is non-zero is "To...
iPhone: How to get current milliseconds?
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[[NSDate date] timeIntervalSince1970];
It returns the number of seconds since epoch as a doubl...
Node.js get file extension
Im creating a file upload function in node.js with express 3.
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How to fix error “Updating Maven Project”. Unsupported IClasspathEntry kind=4?
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This issue has been fixed in m2e 1.5.0 which is available for Eclipse Kepler (4.3) and Luna (4.4...
Checking a Python module version at runtime
...ent or not). For the python stuff I write that has external dependencies (3rd party libraries), I write a script that users can run to check their python install to see if the appropriate versions of modules are installed.
For the modules that don't have a defined 'version' attribute, you can in...
How to get the number of Characters in a String?
...by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new...
Why can't Python parse this JSON data?
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wim
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answered May 14 '10 at 16:10
Justin PeelJustin Peel
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Vertically aligning CSS :before and :after content [duplicate]
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edited Nov 5 '13 at 13:10
bitbitdecker
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answered May 14 '1...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
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How can I make setInterval also work when a tab is inactive in Chrome?
I have a setInterval running a piece of code 30 times a second. This works great, however when I select another tab (so that the tab with my code becomes inactive), the setInterval is set to an idle state for some reason.
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