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Check folder size in Bash

...arent sizes, rather than disk usage; although the apparent size is usually smaller, it may be larger due to holes in ('sparse') files, internal fragmentation, indirect blocks, and the like And of course theres no need for -h (Human readable) option inside a script. Instead You can use ...
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Push Notifications in Android Platform

... You can generally get activated very quickly, and it is being used for things like GMail so is know to work in production. Unfortunately their sample code for communicating with the server side aspect of C2DM is lacking. I've written up a...
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What do the crossed style properties in Google Chrome devtools mean?

... a style exists in an matching rule but is commented out, or if you've manually disabled it by unchecking it within the Chrome developer tools. It will also show as crossed out, but with an error icon, if the style has a syntax error.) For example, if a background color was applied to all divs, but...
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Find value in an array

... array.select{} will go through all elements in the array looking those which match the condition. array.find instead will return the first element that match the condition. So preferable use array.find{ |e| e == 3 } then array.select{ |e| e == 3 }.first ...
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Trim spaces from end of a NSString

...substringWithRange:NSMakeRange(location, i - location)]; } So now just call it. Supposing you have a string that has spaces on the front and spaces on the end and you just want to remove the spaces on the end, you can call it like this: NSString *oneTwoThree = @" TestString "; NSString *resul...
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Change One Cell's Data in mysql

...nly one cell of a mysql table. I have problem with UPDATE because it makes all the parameters in a column change but I want only one changed. How? ...
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Apple Mach-O Linker Error when compiling for device

... Here is permanent solution.Generally overwriting project may cause this prolems.Try this method. -UPDATE - Clang error - Mach-O Linker error In some case error log window displaying .xctest error, to fix it -> Select your project -> Beside this(ju...
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How do you clear the SQL Server transaction log?

... Making a log file smaller should really be reserved for scenarios where it encountered unexpected growth which you do not expect to happen again. If the log file will grow to the same size again, not very much is accomplished by shrinking it tem...
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How can I set up an editor to work with Git on Windows?

...a script) was to realize that: what you refer to in the config file is actually a shell (/bin/sh) script, not a DOS script. So what does work is: C:\prog\git>git config --global core.editor C:/prog/git/npp.bat with C:/prog/git/npp.bat: #!/bin/sh "c:/Program Files/Notepad++/notepad++.exe" -mu...
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Using {} in a case statement. Why?

What is the point with using { and } in a case statement? Normally, no matter how many lines are there in a case statement, all of the lines are executed. Is this just a rule regarding older/newer compilers or there is something behind that? ...