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ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
Does anybody knows if the technique used to ask the user to rate our app and open for him the App Store directly on the rating page is still working on iOS 7 ?
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How to parse JSON in Java
I have the following JSON text. How can I parse it to get the values of pageName , pagePic , post_id , etc.?
34 Answers
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How to get the raw value an field?
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According to the WHATWG, you shouldn't be able to get the value unless it's valid numeric input. The input number field's sanitization algorithm says the browser is supposed to set the value to an empty string if the input isn't a vali...
In Rails - is there a rails method to convert newlines to ?
Is there a Railsy way to convert \n to <br> ?
8 Answers
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Trim trailing spaces in Xcode
Is there a way to force Xcode to trim trailing whitespaces when I save file?
7 Answers
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How do I write a bash script to restart a process if it dies?
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Avoid PID-files, crons, or anything else that tries to evaluate processes that aren't their children.
There is a very good reason why in UNIX, you can ONLY wait on your children. Any method (ps parsing, pgrep, storing a PID, ...) that tries to work around that is flawed and ...
Check if pull needed in Git
How do I check whether the remote repository has changed and I need to pull?
24 Answers
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When to use Common Table Expression (CTE)
...Common Table Expression and cannot think of a use case where I would need to use them. They would seem to be redundant as the same can be done with derived tables. Is there something I am missing or not understanding well? Can someone give me a simple example of limitations with regular select, der...
Spinlock versus Semaphore
...spinlocks are only valid within one process whereas semaphores can be used to synchronize between different processes, too.
A lock works for mutual exclusion, that is one thread at a time can acquire the lock and proceed with a "critical section" of code. Usually, this means code that modifies some...
How do you force a CIFS connection to unmount
...CIFS server is down, or the internet connection is down, and anything that touches the CIFS mount now takes several minutes to timeout, and is unkillable while you wait. I can't even run ls in my home directory because there is a symlink pointing inside the CIFS mount and ls tries to follow it to d...