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Printing hexadecimal characters in C
...lution using a cast to unsigned char is one instruction smaller in gcc4.6 for x86-64...
– lvella
Nov 9 '11 at 15:20
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Why Choose Struct Over Class?
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According to the very popular WWDC 2015 talk Protocol Oriented Programming in Swift (video, transcript), Swift provides a number of features that make structs better than classes in many circumstances.
Structs are preferable if...
PHP 5: const vs static
...assName::$my_var = 20; // now equals 20
ClassName::MY_CONST = 20; // error! won't work.
Public, protected, and private are irrelevant in terms of consts (which are always public); they are only useful for class variables, including static variable.
public static variables can be accessed anyw...
I want to exception handle 'list index out of range.'
...he exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
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Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"
...ve/site/m/startup/octaverc (OCTAVE_HOME usually is /usr/local) to make it work permanently.
Solution found and more details on: http://www.mac-forums.com/forums/os-x-apps-games/242997-plots-octave-dont-work.html
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Determine if two rectangles overlap each other?
... to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
23 Answers
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shared_ptr to an array : should it be used?
...llocated array. The shared_ptr template argument in this case must be T[N] or T[]. So you may write
shared_ptr<int[]> sp(new int[10]);
From n4659, [util.smartptr.shared.const]
template<class Y> explicit shared_ptr(Y* p);
Requires: Y shall be a complete type. The expression d...
$.ajax - dataType
...ontentType is the HTTP header sent to the server, specifying a particular format.
Example: I'm sending JSON or XML
dataType is you telling jQuery what kind of response to expect.
Expecting JSON, or XML, or HTML, etc. The default is for jQuery to try and figure it out.
The $.ajax() documentation ha...
Is bool a native C type?
...t that bool was a C++ type. Is bool a standard C extension (e.g., ISO C90) or a GCC extension?
11 Answers
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Why does C# have break if it's not optional? [duplicate]
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From the horse's mouth (MSDN) Why is the C# switch statement designed to not allow fall-through, but still require a break?.
Quoting the salient bits, this is why they don't allow fall-through:
This implicit fall-through behavior is o...