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Showing a different background colour in Vim past 80 characters
...nt to use to highlight >80 columns, and set colorcolumn for all columns from 1-80, and set the highlight group for colorcolumn to be the color you want your normal background to be.
– mkomitee
Jan 11 '12 at 13:20
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What is the difference between .map, .every, and .forEach?
...d
omitting the ones where it returns false)
.map() (creates a new array from the values returned by the iterator
function)
.reduce() (builds up a value by repeated calling the iterator,
passing in previous values; see the spec for the details; useful
for summing the contents of an array ...
unix domain socket VS named pipes?
...i-directional but half-duplex. This means that communication may go either from end A to end B, or B to A, but never both at the same time.
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Is it a good idea to use Google Guava library for Android development?
...- not only small ones, i.e. Google Search and Youtube, which directly come from Google.
(You should also see compatibility note.)
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Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...ith the ClassInitialize and ClassCleanup attributes.
Relevant information from the auto generated test-file in Visual Studio:
You can use the following additional attributes as you write your tests:
// Use ClassInitialize to run code before running the first test in the class
[ClassInitialize()]
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Different results with Java's digest versus external utilities
... Java 7.0.03 . Can someone tell me why I am getting different hash values from Java versus (many!) external utilities and/or websites? Everything external matches with each other, only Java is returning different results.
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How to “properly” print a list?
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You can delete all unwanted characters from a string using its translate() method with None for the table argument followed by a string containing the character(s) you want removed for its deletechars argument.
lst = ['x', 3, 'b']
print str(lst).translate(None, ...
iphone ios running in separate thread
...cessing
});
});
If you haven't done so already, check out the videos from WWDC 2010 on libdispatch/GCD/blocks.
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How to normalize a path in PowerShell?
...Or, just use: $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath(".\nonexist\foo.txt") Works with non-existant paths too. "x0n" deserves the credit for this btw. As he notes, it resolves to PSPaths, not flilesystem paths, but if you're using the paths in PowerShell, who cares...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
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Assuming you want lower case letters:
var chr = String.fromCharCode(97 + n); // where n is 0, 1, 2 ...
97 is the ASCII code for lower case 'a'. If you want uppercase letters, replace 97 with 65 (uppercase 'A'). Note that if n > 25, you will get out of the range of letters.
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