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How do I split a string on a delimiter in Bash?
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You can set the internal field separator (IFS) variable, and then let it parse into an array. When this happens in a command, then the assignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value in...
Why are arrays of references illegal?
...lates).
this would probably work, if you don't mind this kind of nasty: recast '*this' as an array of int *'s and return a reference made from one: (not recommended, but it shows how the proper 'array' would work):
int & operator[]( int i ) { return *(reinterpret_cast<int**>(this)[i]); ...
Better way of getting time in milliseconds in javascript?
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The + simply cast Date to Number, giving a standard unix timestamp in milliseconds. You can explicitly get this value by calling (new Date()).getTime()
– ngryman
Apr 15 '12 at 0:28
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Sending files using POST with HttpURLConnection
Since the Android developers recommend to use the HttpURLConnection class, I was wondering if anyone can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything com...
How is “int* ptr = int()” value initialization not illegal?
...fined "integer constant expression with the value 0, or such an expression cast to type void *".
– Jerry Coffin
Nov 9 '11 at 16:52
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T-SQL stored procedure that accepts multiple Id values
...mma separated list of Department IDs :
Declare @XMLList xml
SET @XMLList=cast('<i>'+replace(@DepartmentIDs,',','</i><i>')+'</i>' as xml)
SELECT x.i.value('.','varchar(5)') from @XMLList.nodes('i') x(i))
All credit goes to Guru Brad Schulz's Blog
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Why do C++ libraries and frameworks never use smart pointers?
... to be readonly you can use a const reference (you can still do some nasty casts to be able to write the object) but you get the maximum of protection possible (it's the same with smart pointers).
But I do agree that it's much nicer to just return the object.
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MPICH vs OpenMPI
Can someone elaborate the differences between the OpenMPI and MPICH implementations of MPI ?
Which of the two is a better implementation ?
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How to read XML using XPath in Java
...e document defined in that code and the return type you are expecting, and cast the result to the object type of the result.
If you need help with a specific XPath expressions, you should probably ask it as separate questions (unless that was your question in the first place here - I understood you...
Evaluating a mathematical expression in a string
...ppend(toks[0])
def pushUMinus(self, strg, loc, toks):
if toks and toks[0] == '-':
self.exprStack.append('unary -')
def __init__(self):
"""
expop :: '^'
multop :: '*' | '/'
addop :: '+' | '-'
integer :: ['+' | '-'] '0'..'9'+
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