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Use-case of `oneway void` in Objective-C?
... which allows use of objective-c objects between different threads or applications. It tells the system that it should not block the calling thread until the method returns. Without it, the caller will block, even though the method's return type is void. Obviously, it is never used with anything oth...
Turn off CSRF token in rails 3
I have a rails app that serves some APIs to an iPhone application.
I want to be able to simply post on a resource without minding on get the correct CSRF token.
I tried some methods that I see here in stackoverflow but it seems they no longer work on rails 3.
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inserting characters at the start and end of a string
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Strings are immutable so you can't insert characters into an existing string. You have to create a new string. You can use string concatenation to do what you want:
yourstring = "L" + yourstring + "LL"
Note that you can also create a string with n Ls ...
What format string do I use for milliseconds in date strings on iPhone?
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It's SSS, per the Unicode Locale Data Markup Language spec.
"yyyy-MM-dd'T'HH:mm:ss.SSS"
More generally, use any number of upper-case S characters to get that many decimal places in the fractions-of-a-second component. (So ss.S will show the time to t...
iOS: Access app-info.plist variables in code
...t - select Open As) then you will get to see all the various key names you can use.
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Responsive website zoomed out to full width on mobile
...nav bar which become collapsible menu with a small icon on the top which I can click to see more menu buttons.
4 Answers
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Handler is abstract ,cannot be instantiated
... It certainly was helpful to me - as an iOS developer coming back to occasional projects for Android, Android Studio has some annoying quirks, trying to be TOO clever at importing/autocompleting is one i.e. is quicker 90% of the time, is 5 x slower 10% of the time. Thanks again
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jQuery form serialize - empty string
...and creates a string like name1=value1&name2=value2. Without a name it cannot create such a string.
Note that name is something different than id. Your form also would have not worked if you used it in the "normal" way. Every form field needs a name.
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How to change column datatype from character to numeric in PostgreSQL 8.4
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You can try using USING:
The optional USING clause specifies how to compute the new column value from the old; if omitted, the default conversion is the same as an assignment cast from old data type to new. A USING clause mus...
Detect if homebrew package is installed
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You can use
brew ls --versions myformula
to output the installed versions of the respective formula. If the formula is not installed, the output will be empty.
When using a recent versions of homebrew, which you can get with ...