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How to change the type of a field?
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The only way to change the $type of the data is to perform an update on the data where the data has the correct type.
In this case, it looks like you're trying to change the $type from 1 (double) to 2 (string).
So simply load the document from the DB, perform the cast (new Stri...
Is it safe to resolve a promise multiple times?
... this should be 100% fine. Only thing to understand is that once resolved (or rejected), that is it for a defered object - it is done.
If you should call then(...) on it's promise again, you should immediately get the (first) resolved/rejected result.
Additional calls to resolve() will not (shou...
The term “Context” in programming? [closed]
I have been programming for some months now and a frequently used word is "context" in classes. Like ServletContext (Java), Activity (Android), Service (Java, Android), NSManagedContext (Objective-C, iOS).
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Difference between \w and \b regular expression meta characters
...haracters? It is my understanding that both these metacharacters are used for word boundaries. Apart from this, which meta character is efficient for multilingual content?
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No Activity found to handle Intent : android.intent.action.VIEW
This is my code to play the recorded audio 3gp file
14 Answers
14
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How do I convert NSMutableArray to NSArray?
...opies. This is quite useful because Apple can make various optimizations. For example sending copy to a immutable array only retains the object and returns self.
If you don't use garbage collection or ARC remember that -copy retains the object.
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Naming cookies - best practices [closed]
...l three global arrays (!), with precedence depending on how your variables_order setting is set in php.ini. In other words, if you have a _COOKIE named "x" and a querystring param named "x", and you ask for $_REQUEST["x"], you get the cookie value when you might want/expect the GET param. This is es...
R.exe, Rcmd.exe, Rscript.exe and Rterm.exe: what's the difference?
...ifferent R executables. What exactly is the difference between R.exe (with or without CMD BATCH option), Rcmd.exe, Rscript.exe and Rterm.exe when running command line in a batch file?
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How can I make text appear on next line instead of overflowing? [duplicate]
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word-wrap: break-word
But it's CSS3 - http://www.css3.com/css-word-wrap/.
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What does `unsigned` in MySQL mean and when to use it?
...signed type can be used to permit
only nonnegative numbers in a column
or when you need a larger upper
numeric range for the column. For
example, if an INT column is UNSIGNED,
the size of the column's range is the
same but its endpoints shift from
-2147483648 and 2147483647 up to 0 an...