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Check whether an array is empty [duplicate]
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This could be trimmed down to if (array_filter($errors)) {}
– Klemen Tušar
Nov 20 '13 at 8:19
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How to calculate the bounding box for a given lat/lng location?
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I have added a C# implementation of this answer down below.
– Ε Г И І И О
Jan 14 '13 at 6:27
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How to hide a in a menu with CSS?
...t;span> wrapper because it isn't valid HTML, which could cause problems down the road. I think the preferred solution is to actually remove any options that you wish to hide, and restore them as needed. Using jQuery, you'll only need these 3 functions:
The first function will save the original c...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
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@Jason McCreary: Well, that’s the down side: Counters are not supported in IE until version 8.
– Gumbo
Nov 5 '10 at 13:45
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Eclipse jump to closing brace
...k press this shortcut again
To go back one step press Alt + Shift + Down arrow. This is also a useful shortcut when you need to select content in a complex expression and do not want to miss something.
share
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Rounding float in Ruby
...; 1.235 as most would expect (iow, after the 2nd decimal, sprintf rounds 5 down and only rounds a 6 up). That's why Kit Ho's comment above has 25+ upvotes. Safer to use, '%.3f' % 1.2345.round(3) so the number is properly rounded by .round first, then formatted (with trailing zeros, if need be).
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How to keep the console window open in Visual C++?
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For the "Subsystem" property in the right-hand pane, click the drop-down box in the right hand column.
Choose "Console (/SUBSYSTEM:CONSOLE)"
Click Apply, wait for it to finish doing whatever it does, then click OK. (If "Apply" is grayed out, choose some other subsystem option, click Apply, th...
How to sum up an array of integers in C#
... (nobody tell Fil that he just pushed the iteration a couple levels down the stack)
– user1228
Mar 10 '10 at 18:24
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Why does installing Nokogiri on Mac OS fail with libiconv is missing?
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Works on Yosemite. So glad I scrolled down and didn't use older answers.
– yuяi
Nov 17 '14 at 14:55
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How to write log base(2) in c/c++
..., 24, 7, 19, 27, 23, 6, 26, 5, 4, 31
};
v |= v >> 1; // first round down to one less than a power of 2
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
r = MultiplyDeBruijnBitPosition[(uint32_t)(v * 0x07C4ACDDU) >> 27];
In addition you should take a look ...