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What does “Receiver type 'CALayer' for instance message is a forward declaration” mean here?
I'm porting a block of code from an iOS4 project to iOS5 and I'm having some troubles with ARC. The code generates a PDF from a screen capture.
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Reverse colormap in matplotlib
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The standard colormaps also all have reversed versions. They have the same names with _r tacked on to the end. (Documentation here.)
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Keep CMD open after BAT file executes
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Depending on how you are running the command, you can put /k after cmd to keep the window open.
cmd /k my_script.bat
Simply adding cmd /k to the end of your batch file will work too. Credit to Luigi D'Amico who posted about this in the comments below.
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Iterating over each line of ls -l output
... answered May 18 '10 at 18:50
Randy ProctorRandy Proctor
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Is it possible to hide extension resources in the Chrome web inspector network tab?
...ed for it here https://code.google.com/p/chromium/issues/detail?id=239401 and now it is possible.
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
I've been a bad kid and used the following syntax in my partial templates to set default values for local variables if a value wasn't explicitly defined in the :locals hash when rendering the partial --
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Format string, integer with leading zeros
... the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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How can I view all historical changes to a file in SVN
...'d like is a diff for every revision that changed the file. Is such a command available?
9 Answers
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Python regular expressions return true/false
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Match objects are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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JavaScript object: access variable property by name as string [duplicate]
...hink it might be worth explicitly pointing out prop must be of type string and or resolve to type string.
– prasanthv
Jun 24 '15 at 0:51
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