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Explanation of strong and weak storage in iOS5

... storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight. ...
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what is .netrwhist?

...riting files across networks. .netrwhist is a history file which maintains all the directories that were modified. So whenever you modify the contents of ~/.vim it adds one entry in .netrwhist A sample .netrwhist is as shown let g:netrw_dirhistmax =10 let g:netrw_dirhist_cnt =6 let g:netrw_dirhis...
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How can I scale an image in a CSS sprite

...http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out? ...
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(Mac) -bash: __git_ps1: command not found

...r - in git's development history this is after a commit that split out the __git_ps1 function from the completion functionality into a new file (git-prompt.sh). The commit that introduced this change, which explains the rationale, is af31a456. I would still suggest that you just source the version...
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cleanest way to skip a foreach if array is empty [duplicate]

...t need: foreach ((array) $items as $item) { print $item; } Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty. In addition, th...
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Named routes _path vs _url

... _path helpers provide a site-root-relative path. You should probably use this most of the time. _url helpers provide an absolute path, including protocol and server name. I've found that I mainly use these in emails when cre...
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Validating IPv4 addresses with regexp

...so it ends with a word boundary rather than with the end of line? Additionally here I've marked the non-capturing groups to avoid unwanted sub-matches. NB: This still doesn't take into account @dty's comment as I'm not familiar with that form of IP; though he's correct that it seems valid. ...
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CMake unable to determine linker language with C++

...d (according to the documentation), but it wasn't helpful to me: Optionally you can specify which languages your project supports. Example languages are CXX (i.e. C++), C, Fortran, etc. By default C and CXX are enabled. E.g. if you do not have a C++ compiler, you can disable the check for ...
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javac is not recognized as an internal or external command, operable program or batch file [closed]

...nal or external command... error message. In a nutshell, you have not installed Java correctly. Finalizing the installation of Java on Windows requires some manual steps. You must always perform these steps after installing Java, including after upgrading the JDK. Environment variables and PATH (...
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Python: access class property from string [duplicate]

...k just perfectly if source names ANY attribute of self, including the other_data in your example. share | improve this answer | follow | ...