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Passing references to pointers in C++
...er itself, not the object to which it points. For example, a function that allocates memory and assigns the address of the memory block it allocated to its argument must take a reference to a pointer, or a pointer to pointer:
void myfunc(string*& val)
{
//val is valid even after function call
...
Get img thumbnails from Vimeo?
...on for.
output Specify the
output type. We currently offer JSON,
PHP, and XML formats.
So getting this URL http://vimeo.com/api/v2/video/6271487.xml
<videos>
<video>
[skipped]
<thumbnail_small>http://ts.vimeo.com.s3.amazonaws.com/235/662/235...
How to save an HTML5 Canvas as an image on a server?
... server via Ajax
$.ajax({
type: "POST",
url: "script.php",
data: {
imgBase64: dataURL
}
}).done(function(o) {
console.log('saved');
// If you want the file to be visible in the browser
// - please modify the callback in javascript. ...
Objective-C parse hex string to integer
... I'm going with this method, way simpler (and potentially quicker) than allocating an nsscanner.
– Chris
Jun 1 '11 at 6:25
1
...
Is there any way to put malicious code into a regular expression?
...ime–space trade‐off.
With a DFA, you spend more time building it (and allocating more states), whereas with an NFA you spend more time executing it, since it can be multiple states at the same time, and backtracking can eat your lunch — and your CPU.
Denial‐of‐Service Solutions
Probably...
Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
... i=[1:inf]
% do something
end
does not (because this one would require allocating infinite memory). See Loren's blog for details.
Also note that you can iterate over cell arrays.
share
|
impro...
Android Fragments: When to use hide/show or add/remove/replace?
...y solution but some time randomly when i show my dialog it give window bad token exception when i used add and replace method then bad token exception is not occur so i think show/hide method is not perfect
share
...
grep exclude multiple strings
...e.txt:
abc
def
ghi
jkl
grep command using -E option with a pipe between tokens in a string:
grep -Ev 'def|jkl' filename.txt
prints:
abc
ghi
Command using -v option with pipe between tokens surrounded by parens:
egrep -v '(def|jkl)' filename.txt
prints:
abc
ghi
...
I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
...ending with 2010-05-10 . How can I iterate through all of those dates in PHP?
11 Answers
...
How does an underscore in front of a variable in a cocoa objective-c class work?
...he value to use. This helps keep your used memory low (and also helps with alloc and dealloc of memory, which is important in the absence of 'garbage collection' which you'll find in Java)
– David Sigley
Aug 30 '13 at 13:34
...