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How to remove non-alphanumeric characters?
...of:
\p{L}: a letter from any language.
\p{N}: a numeric character in any script.
: a space character.
+ greedily matches the character class between 1 and unlimited times.
This will preserve letters and numbers from other languages and scripts as well as A-Z:
preg_replace('/[^\p{L}\p{N} ]+/', ...
How to get the previous URL in JavaScript?
Is there any way to get the previous URL in JavaScript? Something like this:
7 Answers
...
Display an array in a readable/hierarchical format
...le
function console($obj)
{
$js = json_encode($obj);
print_r('<script>console.log('.$js.')</script>');
}
you can use like this..
console($myObject);
Output will be like this.. so cool eh !!
share
...
Python equivalent of D3.js
...You could use d3py a python module that generate xml pages embedding d3.js script. For example :
import d3py
import networkx as nx
import logging
logging.basicConfig(level=logging.DEBUG)
G = nx.Graph()
G.add_edge(1,2)
G.add_edge(1,3)
G.add_edge(3,2)
G.add_edge(3,4)
G.add_edge(4,2)
# use 'with' i...
why windows 7 task scheduler task fails with error 2147942667
...\windows\system32\CMD.EXE. I tried with and without double quotes in the Script and Start-in and it made no difference. Then I tried replacing all path references to mapped network drives and with UNC references (\Server1\Sharexx\my_scripts\run_this.cmd) and that fixed it for me.
Pat.
...
AngularJS ng-style with a conditional expression
... MyCtrl($scope) {
$scope.color = 'blueish';
$scope.zoom = 2;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.1/angular.min.js"></script>
<div ng-app="app" ng-controller="MyCtrl" ng-style="{
color: {blueish: 'blue', greenish: 'green'}[ color ],
...
64-bit version of Boost for 64-bit windows
...
UPDATE(19.09.2017): added script lines for VS2017. Please be aware that Boost supports VS2017 compiler from a certain version above. I used the latest version (1.65.1).
I used this scripts for building boost for x64 and x86 platforms, lib and dll, de...
Shell equality operators (=, ==, -eq)
...someone please explain the difference between = , == and -eq in shell scripting?
4 Answers
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possibly undefined macro: AC_MSG_ERROR
...-I m4 --install
Some packages come with an autogen.sh or initgen.sh shell script to run glibtoolize, autoheader, autoconf, automake. Here's an autogen.sh script I use:
#! /bin/sh
case `uname` in Darwin*) glibtoolize --copy ;;
*) libtoolize --copy ;; esac
autoheader
aclocal -I m4 --install
auto...
How to customize ?
... chosen path after selection, you can listen for the change event with JavaScript and then read the path that the browser makes available to you (for security reasons it can lie to you about the exact path). A way to make it pretty for the end user is to simply use the base name of the path that is ...