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Determining Whether a Directory is Writeable

...n to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment. ...
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When should we call System.exit in Java

...ome kind of fatal error), so if you called java from a batch file or shell script you'd be able to get this value and get an idea if the application was successful. It would make a quite an impact if you called System.exit(0) on an application deployed to an application server (think about it befor...
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How to get URL of current page in PHP [duplicate]

...age was redirected via mod_rewrite - the former has the path to the actual script, the latter has the originally requested path. – Amber Aug 16 '09 at 2:19 1 ...
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Fastest way(s) to move the cursor on a terminal command line?

...bout whether you'd maybe like to put this horrendously long command into a script? :-) Actually, I can go one better than that: "3f5B" to find the third occurrence of "5" then back up to the start of the word. share ...
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How to run an EXE file in PowerShell with parameters with spaces and quotes

...By default Windows PowerShell opens a new window. References : Powershell/Scripting/Start-Process share | improve this answer | follow | ...
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Xcode 4: How do you view the console?

...rget (Gray Icon) Select the Build Phases (Top Center) Add Build Phase "Run Script" (Green Plus Button, bottom right) In the textbox below the Shell textfield replace "Type a script or drag a script file from your workspace" with "open ${TARGET_BUILD_DIR}/${TARGET_NAME}" This will open a terminal w...
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Is there a download function in jsFiddle?

...tton in the toolbar <a class="aiButton" id="showjscode" title="Show JavaScript code" href="#showjs"><span class="icon-pencil"></span>Show JS</a> . It doesn't do anything, but maybe is coming soon – corbacho Feb 13 '13 at 20:30 ...
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ReactJS - Does render get called any time “setState” is called?

... If your state contains a relatively large javascript object (~1k total properties), which is rendered as a large tree of components (~100 total)... should you let the render functions construct the virtual dom, or should you, before setting the state, compare the new sta...
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Tricks to manage the available memory in an R session

... Ensure you record your work in a reproducible script. From time-to-time, reopen R, then source() your script. You'll clean out anything you're no longer using, and as an added benefit will have tested your code. ...
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Hide/Show Column in an HTML Table

... if your concern is making the markup cleaner, you could add them from JavaScript automatically in an initialisation step. share | improve this answer | follow ...