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Function to return only alpha-numeric characters from string?
...ake an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
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PHP: How to use array_filter() to filter array keys?
...
PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filte...
Encrypt Password in Configuration Files? [closed]
...rpose. Never use it for that. These days, Argon2 is best. See owasp.org/index.php/Password_Storage_Cheat_Sheet and paragonie.com/blog/2016/02/how-safely-store-password-in-2016
– Kimball Robinson
Jul 22 '16 at 18:52
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How to index characters in a Golang string?
...
Try this to get the charecters by their index
package main
import (
"fmt"
"strings"
)
func main() {
str := strings.Split("HELLO","")
fmt.Print(str[1])
}
share
...
Converting RGB to grayscale/intensity
...ixel
unsigned int fourBytes;
unsigned char r,g,b;
for (int index=0;index<width*height;index++)
{
fourBytes=pntrBWImage[index];//caches 4 bytes at a time
r=(fourBytes>>16);
g=(fourBytes>>8);
b=fourBytes;
...
Formatting a number with leading zeros in PHP [duplicate]
... from the page linked above, here's a sample "zero-padded integers":
<?php
$isodate = sprintf("%04d-%02d-%02d", $year, $month, $day);
?>
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improve this answer
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Difference between . and : in Lua
...y the local variable? Because, as many have pointed out, obj:method() only indexes _ENV once to get obj. This normally just important when considering speed, but consider this situation:
local tab do
local obj_local = { method = function(self, n) print n end }
tab = setmetatable({}, {__index = ...
Changing selection in a select with the Chosen plugin
...alue__209"
var arrayCurrent = jQuery('#searchlocation').val();
var index = arrayCurrent.indexOf(locID);
if (index > -1) {
arrayCurrent.splice(index, 1);
}
jQuery('#searchlocation').val(arrayCurrent).trigger('chosen:updated');
});
...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
...ave an input field like: <input type="number" ng-model="newTransaction[$index][user.email]" /> ?
– shish
Dec 3 '15 at 22:17
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How to handle static content in Spring MVC?
...a
WebContent/
resources/
img/
image.jpg
WEB-INF/
jsp/
index.jsp
web.xml
springmvc-servlet.xml
The contents of the files should look like:
src/springmvc/web/HelloWorldController.java:
package springmvc.web;
import org.springframework.stereotype.Controller;
import org...