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PHP random string generator
...For PHP 5.x, depends on https://github.com/paragonie/random_compat
*
* @param int $length How many characters do we want?
* @param string $keyspace A string of all possible characters
* to select from
* @return string
*/
function random_str(
int $length = 64,
...
How do I get a human-readable file size in bytes abbreviation using .NET?
...gabytes, or gigabytes, depending on the size.
/// </summary>
/// <param name="filelength">The numeric value to be converted.</param>
/// <returns>the converted string</returns>
public static string StrFormatByteSize (long filesize) {
StringBuilder sb = new StringBu...
What does “Splats” mean in the CoffeeScript tutorial?
...
Similar to the C# params keyword.
– ThatMatthew
Sep 27 '12 at 19:17
...
When to use std::size_t?
...a;
[...]
// calculate the index that should be used;
size_t i = calc_index(param1, param2);
// doing calculations close to the underflow of an integer is already dangerous
// do some bounds checking
if( i - 1 < 0 ) {
// always false, because 0-1 on unsigned creates an underflow
return LE...
TypeScript and field initializers
...if you don't pass a field.
You can also mix it with required constructor parameters too -- stick fields on the end.
About as close to C# style as you're going to get I think (actual field-init syntax was rejected). I'd much prefer proper field initialiser, but doesn't look like it will happen ye...
How to convert TimeStamp to Date in Java?
...
Just make a new Date object with the stamp's getTime() value as a parameter.
Here's an example (I use an example timestamp of the current time):
Timestamp stamp = new Timestamp(System.currentTimeMillis());
Date date = new Date(stamp.getTime());
System.out.println(date);
...
Best way to add page specific JavaScript in a Rails 3 app?
...
This is sufficient, but I wanted to make a use of javascript_include_tag params[:controller] too. When you create controllers, an associated coffeescript file is generated in app/assets/javascripts like other people mentioned. There are truly controller-specific javascripts, which are loaded only ...
How can I remove a key and its value from an associative array?
...
return array_diff_key($array, array_flip((array) $keys));
}
First param pass all array, second param set array of keys to remove.
For example:
$array = [
'color' => 'red',
'age' => '130',
'fixed' => true
];
$output = array_except($array, ['color', 'fixed']);
// $out...
Get DOS path instead of Windows path
...
In windows batch scripts, %~s1 expands path parameters to short names. Create this batch file:
@ECHO OFF
echo %~s1
I called mine shortNamePath.cmd and call it like this:
c:\>shortNamePath "c:\Program Files (x86)\Android\android-sdk"
c:\PROGRA~2\Android\ANDROI~1
...
Using the RUN instruction in a Dockerfile with 'source' does not work
.../source.html linux.die.net/man/1/sh ... . /source also accepts positional parameters after the filename
– Wes Turner
Jul 27 '16 at 16:31
...