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Reload the path in PowerShell
...requires administrator rights):
@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\c...
How to add custom validation to an AngularJS form?
...upports custom validation keys using object notation. Tested with angular v1.3.8
.directive('invalidIf', [function () {
return {
require: 'ngModel',
link: function (scope, elm, attrs, ctrl) {
var argsObject = scope.$eval(attrs.invalidIf);
...
How do I make a matrix from a list of vectors in R?
...
> library(plyr)
> as.matrix(ldply(a))
V1 V2 V3 V4 V5 V6
[1,] 1 1 2 3 4 5
[2,] 2 1 2 3 4 5
[3,] 3 1 2 3 4 5
[4,] 4 1 2 3 4 5
[5,] 5 1 2 3 4 5
[6,] 6 1 2 3 4 5
[7,] 7 1 2 3 4 5
[8,] 8 1 2 3 4 5
[9,] 9 1 2 ...
Using AES encryption in C#
...rosoft.com/en-us/library/system.security.cryptography.rijndaelmanaged(v=VS.100).aspx#Y2262
The example on MSDN does not run normally (an error occurs) because there is no initial value of Initial Vector(iv) and Key. I add 2 line code and now work normally.
More details see below:
using System.Win...
How can I set multiple CSS styles in JavaScript?
...ssign:
Object.assign(yourelement.style,{fontsize:"12px",left:"200px",top:"100px"});
This also gives you ability to merge styles, instead of rewriting the CSS style.
You can also make a shortcut function:
const setStylesOnElement = function(styles, element){
Object.assign(element.style, styl...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...in posting data to php in xml string.
For example:
<xml><text x="100" y="150" value="It's a value with single quote" />
</xml>
General escape with encodeURI
%3Cxml%3E%3Ctext%20x=%22100%22%20y=%22150%22%20value=%22It's%20a%20value%20with%20single%20quote%22%20/%3E%20%3C/xml%3E
Yo...
Calling Objective-C method from C++ member function?
...locating the new object for the objective C class we created
[obj hello:(100)]; //Calling the function we defined
}
Step 3
Calling the c++ function(which actually calls the objective c method)
#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__
#include "cocos2d.h"
#include "ObjCCa...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...once
#include "afxcmn.h"
#include "afxwin.h"
#define WM_NETWORK WM_USER+100
// CClientDlg 对话框
class CClientDlg : public CDialog
{
// 构造
public:
CClientDlg(CWnd* pParent = NULL); // 标准构造函数
// 对话框数据
enum { IDD = IDD_CLIENT_DIALOG };
protected:
virtual v...
GridLayout (not GridView) how to stretch all children evenly
...TextView
android:layout_width="0dp"
android:layout_height="100dp"
grid:layout_columnWeight="1"
grid:layout_gravity="fill_horizontal"
android:gravity="center"
android:background="#FF33B5E5"
android:text="Tile1" />
<TextView
an...
Design patterns or best practices for shell scripts [closed]
...
Easy:
use python instead of shell scripts.
You get a near 100 fold increase in readablility, without having to complicate anything you don't need, and preserving the ability to evolve parts of your script into functions, objects, persistent objects (zodb), distributed objects (pyro)...