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Why can I add named properties to an array as if it were an object?
... \n\n"+
ra.length +"\t and my length! \n\n"+
ob.toSource());
ps=""; for(i in ra)ps+=i+" "; alert(ps); /* NB .length is missing! */
ps=""; for(i in ob)ps+=i+" "; alert(ps);
displaying
one,two,three
[object Object]
["one", "two", "three"]
4 .toSource() forgot me!
3 and ...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...east preferred):
Find the process id of mysql with either pgrep mysql or ps aux | grep mysql | grep -v grep
Assuming the process id is 4969 terminate with kill -9 4969
After you do this you might want to look for a pid file in /var/run/mysqld/ and delete it
Make sure the permissions on your s...
App Inventor 2 中文网 · 项目指南
... 官方英文原版 基本定制 版本过旧 文档教程 深度理解后的中文翻译且不断进化，案例本土化 ...
Timing a command's execution in PowerShell
...
Yup.
Measure-Command { .\do_something.ps1 }
Note that one minor downside of Measure-Command is that you see no stdout output.
[Update, thanks to @JasonMArcher] You can fix that by piping the command output to some commandlet that writes to the host, e.g. Out...
How to handle command-line arguments in PowerShell
...el. Normal PowerShell scripts have parameters starting with -, like script.ps1 -server http://devserver
Then you handle them in param section in the beginning of the file.
You can also assign default values to your params, read them from console if not available or stop script execution:
param (...
数据存储组件 · App Inventor 2 中文网
...用程序是AI伴侣运行还是已编译、以及应用运行的 Android 版本。
由于较新版本的 Android 要求将文件存储在App特定目录中，因此 默认作用域 设置为 App，如果使用的是旧版 Android 并且需要访问兼容的公共存储，将 默认作用域 属性...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
... I hate restarting :) Quitting the hung process worked for me: ps ax | grep Simulator will show your running apps, in my case it was MyApp.app that was hung.
– BadPirate
Jan 28 '11 at 0:08
...
Android emulator-5554 offline
I'm having a problem with emulator-5554, it keeps telling me it is offline.
37 Answers
...
Looping through a hash, or using an array in PowerShell
...ould be done in a script for readability and reusability:
Variable Setup
PS> $hash = @{
a = 1
b = 2
c = 3
}
PS> $hash
Name Value
---- -----
c 3
b 2
a ...
Why can't I assign a *Struct to an *Interface?
...
This is perhaps what you meant:
package main
type Interface interface{}
type Struct struct{}
func main() {
var ps *Struct
var pi *Interface
pi = new(Interface)
*pi = ps
_, _ = pi, ps
}
Compil...