大约有 47,000 项符合查询结果（耗时：0.0760秒） [XML]
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
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149
This cannot be typed to Exception because it's possible to throw objects in .Net that do not d...
How do I write a custom init for a UIView subclass in Swift?
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211
The init(frame:) version is the default initializer. You must call it only after initializing y...
Dynamically select data frame columns using $ and a character value
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185
You can't do that kind of subsetting with $. In the source code (R/src/main/subset.c) it state...
Difference between an application server and a servlet container?
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172
A servlet-container supports only the servlet API (including JSP, JSTL).
An application serve...
Set a persistent environment variable from cmd.exe
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194
Use the SETX command (note the 'x' suffix) to set variables that persist after the cmd window ...
Change GitHub Account username
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194
Yes, it's possible. But first read, "What happens when I change my username?"
To change your ...
Do NSUserDefaults persist through an Update to an app in the Appstore?
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116
They are usually not reset unless the user deletes the app. For basic data, NSUserDefaults is ...
Where are environment variables stored in registry?
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Here's where they're stored on XP through Server 2012 R2:
User Variables
HKEY_CURRENT_USER\Environment
System Variables
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
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Regex to match a digit two or four times
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145
There's no specific syntax for that, but there are lots of ways to do it:
(?:\d{4}|\d{2}) ...
Git: updating remote branch information
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answered Oct 22 '10 at 2:32
Garrett HydeGarrett Hyde
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