大约有 11,396 项符合查询结果（耗时：0.0221秒） [XML]
How can I determine if a JavaScript variable is defined in a page? [duplicate]
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You can do that with:
if (window.x !== undefined) {
// You code here
}
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Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
While using OpenSSL on Windows:
14 Answers
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Inspect hovered element in Chrome?
...element, your tooltip will appear. Without leaving the element, open a new window (Command-N on Mac, Ctrl-N elsewhere) - Step 3: Drag the new window below the old window, so you can still see the tooltip, then move your cursor into the Element inspector. - Step 4: Scroll to the bottom, where your to...
Generating a unique machine id
...function that generates an id that is unique for a given machine running a Windows OS.
15 Answers
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How to solve WAMP and Skype conflict on Windows 7? [closed]
I have Windows 7 (32-bit) installed on laptop.
8 Answers
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How to create an infinite loop in Windows batch file?
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Unlimited loop in one-line command for use in cmd windows:
FOR /L %N IN () DO @echo Oops
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How can I update the current line in a C# Windows Console App?
When building a Windows Console App in C#, is it possible to write to the console without having to extend a current line or go to a new line? For example, if I want to show a percentage representing how close a process is to completion, I'd just like to update the value on the same line as the cur...
How do I run Visual Studio as an administrator by default?
... you to always have the program run as an administrator when you open it.
Windows 7:
Right click on the shortcut of the program, then click on Properties.
Click on the Shortcut tab for a program shortcut, then click on the Advanced button.
Check the 'Run as administrator' box, and click on OK.
Cl...
How can I change Eclipse theme?
...act into your eclipse/dropins folder.
When you have done that go to
Window -> Preferences -> General -> Appearance
And change the theme from GTK (or what ever it is currently) to Dark Juno (or Dark).
That will change the UI to a nice dark theme but to get the complete look and fee...
Recover unsaved SQL query scripts
...hours. This will be helpful to retrieve the scripts, if we close our query window in SQL Server management studio without saving the script. It works for all executed scripts not only a view or procedure.
Use <database>
SELECT execquery.last_execution_time AS [Date Time], execsql.text AS [Scr...