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Detect Android phone via Javascript / jQuery

...w.location = 'http://android.davidwalsh.name'; } PHP: $ua = strtolower($_SERVER['HTTP_USER_AGENT']); if(stripos($ua,'android') !== false) { // && stripos($ua,'mobile') !== false) { header('Location: http://android.davidwalsh.name'); exit(); } Edit : As pointed out in some comments...
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How can I delete all Git branches which have been merged?

...ip, you can add it to the egrep command like the following. The branch skip_branch_name will not be deleted. git branch --merged| egrep -v "(^\*|master|dev|skip_branch_name)" To delete all local branches that are already merged into the currently checked out branch: git branch --merged | egrep -v "...
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How do I install pip on macOS or OS X?

... An extra warning: don't run this when a homebrew based python installed and occurs earlier in PATH (e.g. when you change /etc/paths): it would install pip with root credentials for the wrong python – acidjunk Jan 7 '16 at 13:56 ...
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CGContextDrawImage draws image upside down when passed UIImage.CGImage

...ingPrintingiOS/GraphicsDrawingOverview/GraphicsDrawingOverview.html#//apple_ref/doc/uid/TP40010156-CH14-SW4 Flipping the Default Coordinate System Flipping in UIKit drawing modifies the backing CALayer to align a drawing environment having a LLO coordinate system with the default coordinate...
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Renaming a virtualenv folder without breaking it

...e use relative paths, and will change all the scripts to use activate_this.py instead of using the location of the Python interpreter to select the environment. Note: you must run this after you've installed any packages into the environment. If you make an environment relocatab...
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Group by multiple columns in dplyr, using string vector input

... Since this question was posted, dplyr added scoped versions of group_by (documentation here). This lets you use the same functions you would use with select, like so: data = data.frame( asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE), a30mvxigxkghc5cdsvxvyv0ja = s...
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What does the 'b' character do in front of a string literal?

... Actually, if you've imported unicode_literals from __future__, this will "reverse" the behavior for this particular string (in Python 2.x) – Romuald Brunet Mar 14 '13 at 16:27 ...
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Is it pythonic to import inside functions?

...te the circular dependency) Inserting a pdb breakpoint: import pdb; pdb.set_trace() This is handy b/c I don't want to put import pdb at the top of every module I might want to debug, and it easy to remember to remove the import when I remove the breakpoint. Outside of these two cases, it's a good ...
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Why split the tag when writing it with document.write()?

...ecx.images-amazon.com/images/G/01/javascripts/lib/jquery/jquery-1.2.6.pack._V265113567_.js"></script>'); } // --> </script> ...but to be honest, using document.write is not something I would consider best practice. Why not manipulating the DOM directly? <script type="...
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Case insensitive string compare in LINQ-to-SQL

... server data type by using one of the following; varchar(4000) COLLATE SQL_Latin1_General_CP1_CS_AS or nvarchar(Max) COLLATE SQL_Latin1_General_CP1_CS_AS Note: The ‘CS’ in the above collation types means ‘Case Sensitive’. This can be entered in the “Server Data Type” field when ...