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Using awk to remove the Byte-order mark

... Using GNU sed (on Linux or Cygwin): # Removing BOM from all text files in current directory: sed -i '1 s/^\xef\xbb\xbf//' *.txt On FreeBSD: sed -i .bak '1 s/^\xef\xbb\xbf//' *.txt Advantage of using GNU or FreeBSD sed: the -i parameter means "in place", and will update files ...
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Bash/sh - difference between && and ;

I normally use ; to combine more than one command in a line, but some people prefer && . Is there any difference? For example, cd ~; cd - and cd ~ && cd - seems to make the same thing. What version is more portable, e.g. will be supported by a bash-subset like Android's shell ...
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jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)

...his won't work for "20pt" or "20em". parseInt("20pt") == 20! This may be all that the poster needs, but I'd like to be able to use X("20em") for example and get back the true width in pixels. – Lawrence I. Siden May 20 '11 at 22:53 ...
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Just what is an IntPtr exactly?

... It's a "native (platform-specific) size integer." It's internally represented as void* but exposed as an integer. You can use it whenever you need to store an unmanaged pointer and don't want to use unsafe code. IntPtr.Zero is effectively NULL (a null pointer). ...
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Getting number of days in a month

I have a comboBox with all of the months in it. 7 Answers 7 ...
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How to change the map center in Leaflet.js

...r location. How do I change the center of the map to a new position after calling the initialize function? 4 Answers ...
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Check if a string matches a regex in Bash script

... Upvote, that allows to use it a little beyond than OP question, for sh, for example.. – Dereckson Nov 23 '14 at 21:20 ...
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How do I parse a YAML file in Ruby?

... tabs. It seems that it only wants spaces instead of tabs, and then throws all sorts of errors. – FilBot3 Mar 20 '14 at 20:02 3 ...
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Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav

... The language standard simply doesn't allow for it. Labels can only be followed by statements, and declarations do not count as statements in C. The easiest way to get around this is by inserting an empty statement after your label, which relieves you from keepin...
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Why did Bootstrap 3 switch to box-sizing: border-box?

...box, making for easier sizing options and an enhanced grid system. Personally I think most benefits go to the grid system. In Twitter's Bootstrap all grids are fluid. Columns are defined as percentage of the total width. But the gutter have a fixed width in pixels. By default a padding of 15px on ...