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C++ valarray vs. vector
...ided to use std::vector while paying close attention to things like memory allocation and temporary object creation.
Both std::vector and std::valarray store the data in a contiguous block. However, they access that data using different patterns, and more importantly, the API for std::valarray e...
How to exit an if clause
...
When PHP introduced goto I turned to Python php.net/manual/en/control-structures.goto.php
– Marc
Jul 26 '15 at 18:36
...
How to post data to specific URL using WebClient in C#
...)
so here is the solution:
string URI = "http://www.myurl.com/post.php";
string myParameters = "param1=value1&param2=value2&param3=value3";
using (WebClient wc = new WebClient())
{
wc.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
string HtmlRe...
Are arrays passed by value or passed by reference in Java? [duplicate]
...itself is passed by value, confused yet?). Quick example:
// assuming you allocated the list
public void addItem(Integer[] list, int item) {
list[1] = item;
}
You will see the changes to the list from the calling code. However you can't change the reference itself, since it's passed by value:...
.htaccess redirect all pages to new domain
...eRule ^/(.*)$ https://YOURDOMAIN.example/$1 [R=301,L]
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
share
|
...
Most efficient way to create a zero filled JavaScript array?
...second parameter of Array.from.
In the example above, the first parameter allocates an array of 3 positions filled with the value undefined and then the lambda function maps each one of them to the value 0.
Although Array(len).fill(0) is shorter, it doesn't work if you need to fill the array by do...
AngularJS passing data to $http.get request
...imply add the parameters to the end of the url:
$http.get('path/to/script.php?param=hello').success(function(data) {
alert(data);
});
Paired with script.php:
<? var_dump($_GET); ?>
Resulting in the following javascript alert:
array(1) {
["param"]=>
string(4) "hello"
}...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...the rest of your app. Then your img tags would reference "my_website/image.php?img_id=55" instead of "my_website/avatar.png", and your image.php script would, after verifying your credentials and parsing the id you hand it, return the actual image. That way, the image is only viewable by the proper ...
Dictionary vs Object - which is more efficient and why?
...e, you are incurring additional overhead because of e.g. additional memory allocations and code execution (e.g. of the __init__ method).
In your code, if o is an Obj instance, o.attr is equivalent to o.__dict__['attr'] with a small amount of extra overhead.
...
Google Maps V3 - How to calculate the zoom level for a given bounds
...LOBE_WIDTH = 256; // a constant in Google's map projection
var west = <?php echo $minLng; ?>;
var east = <?php echo $maxLng; ?>;
*var north = <?php echo $maxLat; ?>;*
*var south = <?php echo $minLat; ?>;*
var angle = east - west;
if (angle < 0) {
angle += 360;
}
*var a...