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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!
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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...
SAML vs federated login with OAuth
...set of trust Hertz trusts that US Airways identity provider will deliver a token that is accurate and in a secure manner. After booking the flight US Airways identity provider would generate a token and populate how they have authenticated the user, as well as "attributes" about the person in our ...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
...ptable as a Context, as it throws the exception: 'Unable to add window — token null is not for an application'"
To create a Dialog, you need an Activity Context or a Service Context, not an Application Context (both getApplicationContext() and getApplication() return an Application Context).
Her...
Android 'Unable to add window — token null is not for an application' exception
I get the following Android exception when I try to open a dialog. Can someone please help me understand what is going on and how can I fix this problem?
...
How do you close/hide the Android soft keyboard using Java?
...;
//Find the currently focused view, so we can grab the correct window token from it.
View view = activity.getCurrentFocus();
//If no view currently has focus, create a new one, just so we can grab a window token from it
if (view == null) {
view = new View(activity);
}
...
记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...es -bool false
killall Finder
修改终端的提示文字
环境变量PS1就是终端的提示文字格式，默认为“\h:\W \u\$”，可以用echo来查看：
echo $PS1
PS2则是换行后的提示符，默认为“>”。
部分可使用的格式有（完整的可以运行man bash，...
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
...
Sibling package imports
...
@actual_panda Setting __packages__ helps if you want absolute path such as examples.api to work iirc (but it has been a long time since I last did that) and checking that package is not None was mostly a failsafe for weird situations and futureproofing.
...
How does deriving work in Haskell?
... -- build 'funcName parm1 parm2 parm3 ...
in appsE $ (varE $ mkName headFunc):funcName:vars -- put it all together
-- equivalent to 'funcStr where funcStr CONTAINS the name to be returned
makeName funcStr = (appE (varE (mkName "mkName")) (litE $ ...