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App Inventor 2 试验组件 · App Inventor 2 中文网
...tBot 是一个不可见组件，用于与 AI 聊天的聊天机器人。此版本使用 MIT 运行的代理，该代理又使用 ChatGPT 生成大语言模型。
注：此组件对AI伴侣要求最低版本为v2.67 (旧版本请扫码升级：帮助 -> AI伴侣信息)，编译为apk则不受限制...
Is mongodb running?
...
check with either:
ps -edaf | grep mongo | grep -v grep # "ps" flags may differ on your OS
or
/etc/init.d/mongodb status # for MongoDB version < 2.6
/etc/init.d/mongod status # for MongoDB version >= 2.6
or
ser...
Installing Ruby Gem in Windows
I'm new to ruby. I tried to install GEM on my PC by following the steps given in the site http://rubygems.org/pages/download .
...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...AESOCKTNOSUPPORT (10044) 不支援的socket型別
目前使用的WinSock版本不支援函式所指定的socket型別。舉例來說，完全根據WinSock 1.1版的規格書發展的WinSock協定核心，並不支援SOCK_RAW這個socket型別。在呼叫socket()函式時，位址家族選 AF_INET...
How to get a list of current open windows/process with Java?
...
This is another approach to parse the the process list from the command "ps -e":
try {
String line;
Process p = Runtime.getRuntime().exec("ps -e");
BufferedReader input =
new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine()) !=...
Closing Database Connections in Java
...with them, something like that:
Connection conn = null;
PreparedStatement ps = null;
ResultSet rs = null;
try {
// Do stuff
...
} catch (SQLException ex) {
// Exception handling stuff
...
} finally {
if (rs != null) {
try {
rs.close();
} catch (SQLE...
Can I get “&&” or “-and” to work in PowerShell?
.../27: The &&operator is now available for PowerShell 7 Preview 5+:
PS > echo "Hello!" && echo "World!"
Hello!
World!
share
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How do I get the current username in Windows PowerShell?
...ect as argument 2.
Usage:
$cred = Get-Credential UserTo.RunAs
Run-AsUser.ps1 "whoami; pause" $cred
Run-AsUser.ps1 "[System.Security.Principal.WindowsIdentity]::GetCurrent().Name; pause" $cred
Contents of Run-AsUser.ps1 script:
param(
[Parameter(Mandatory=$true)]
[string]$script,
[Paramete...
Does PowerShell support constants?
...rom http://poshcode.org/4063
function Set-Constant {
<#
.SYNOPSIS
Creates constants.
.DESCRIPTION
This function can help you to create constants so easy as it possible.
It works as keyword 'const' as such as in C#.
.EXAMPLE
PS C:\> Set-Constan...
Setting Windows PowerShell environment variables
...our profile to initiate the
settings. On startup, PowerShell will run any .ps1
files it finds in the WindowsPowerShell directory under
My Documents folder. Typically you have a profile.ps1
file already there. The path on my computer is
C:\Users\JaredPar\Documents\WindowsPowerShell\profile.ps1
...