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How to convert an enum type variable to a string?
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There really is no beautiful way of doing this. Just set up an array of strings indexed by the enum.
If you do a lot of output, you can define an operator<< that takes an enum parameter and does the lookup for you.
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“#include” a text file in a C program as a char[]
...comes directly from the output of xxd, as the answer says. the name of the array is the input filename. if you're piping data in instead of using an input file, you'll get an list of hexadecimal values instead (without the array declaration or the len variable).
– Hasturkun
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How to iterate over the keys and values with ng-repeat in AngularJS?
...do so! It's usually better to transform the object in the controller to an array; this makes the intent clearer and decreases the risk for strange/unpredictable behavior in certain cases. And you can sort in the usual way. :-)
– Josh David Miller
Mar 11 '14 at ...
Algorithm to return all combinations of k elements from n
I want to write a function that takes an array of letters as an argument and a number of those letters to select.
71 Answe...
Java optional parameters
...ber that you could get more than one parameter so Java puts them inside an array. For example, to retrieve a single parameter you would check the contents of the array first: 'code' boolean flag = (optionalFlag.length < 1)?false:optionalFlag[0];
– Salvador Valencia
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What does immutable mean?
...ing of the number 2? It sounds absurd, yet we do this with our objects and arrays all the time.
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How to return a result from a VBA function
...ue -- but e.g. if the return type is Variant and your goal is to return an array then something like ReDim test(1 to 100) will trigger an error. Also, even though it is possible to treat basic type like Integers like that it is considered somewhat unidiomatic. It makes the code harder to read. VBA p...
How to represent empty char in Java Character class
...int index = s.indexOf('d');
// delete a char from a char[]
char[] array = s.toCharArray();
char[] tmp = new char[array.length-1];
System.arraycopy(array, 0, tmp, 0, index);
System.arraycopy(array, index+1, tmp, index, tmp.length-index);
System.err.println(new String(tmp));
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Are global variables in PHP considered bad practice? If so, why?
...ike preg_replace_callback() like this:
preg_replace_callback('!pattern!', array($obj, 'method'), $str);
See callbacks for more.
The point is that objects have been bolted onto PHP and in some ways lead to some awkwardness.
Don't concern yourself overly with applying standards or constructs from...
What is the difference between char * const and const char *?
...ean separation of declared-variable names and their types (a pointer to an array of pointers to integers would be var foo: ^Array[3..4] of ^Integer;`. That'd be some funny nested parenthesized thing in C, I think.
– supercat
Aug 28 '13 at 18:54
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