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List goals/targets in GNU make that contain variables in their definition
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Can you parse the output from make -pn (i.e. make --print-data-base --dry-run)? It prints out all the variables, rules, implicit rules and which commands will be run in laborious detail.
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int to hex string
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Polymorphism in C++
...<typename T>
void f(T& x) { x += 2; }
Virtual dispatch:
struct Base { virtual Base& operator+=(int) = 0; };
struct X : Base
{
X(int n) : n_(n) { }
X& operator+=(int n) { n_ += n; return *this; }
int n_;
};
struct Y : Base
{
Y(double n) : n_(n) { }
Y& ope...
List of encodings that Node.js supports
...The list of encodings that node supports natively is rather short:
ascii
base64
hex
ucs2/ucs-2/utf16le/utf-16le
utf8/utf-8
binary/latin1 (ISO8859-1, latin1 only in node 6.4.0+)
If you are using an older version than 6.4.0, or don't want to deal with non-Unicode encodings, you can recode the stri...
Is effective C++ still effective?
...contain different examples, e.g., ones making use of auto variables, range-based for loops, in-class default initializers, as well as the occasional variadic template. To the extent that this book falls short in its support for C++0x, the errors are those of omission, not commission.
UPDATE: the n...
How to get a specific “commit” of a gem from github?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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C++ Dynamic Shared Library on Linux
... class_user
If this were for a plugin system, you would use MyClass as a base class and define all the required functions virtual. The plugin author would then derive from MyClass, override the virtuals and implement create_object and destroy_object. Your main application would not need to be chan...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...e, how to fix a warning about a potential retain cycle, when using a block-based API?
7 Answers
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Return positions of a regex match() in Javascript?
...parsed. In addition, it has an index
property, which represents the zero-based index of the match in the
string.
When dealing with a non-global regex (i.e., no g flag on your regex), the value returned by .match() has an index property...all you have to do is access it.
var index = str.match(...
How to detect DIV's dimension changed?
...ass ResizeSensor which can be used for resize detection. It uses an event-based approach, so it's damn fast and doesn't waste CPU time.
Example:
new ResizeSensor(jQuery('#divId'), function(){
console.log('content dimension changed');
});
Please do not use the jQuery onresize plugin as it u...