大约有 19,000 项符合查询结果(耗时:0.0407秒) [XML]
Is it possible to install another version of Python to Virtualenv?
... (/usr/bin/python)
--clear Clear out the non-root install and start from scratch
--no-site-packages Don't give access to the global site-packages dir to
the virtual environment
--unzip-setuptools Unzip Setuptools or Distribute when inst...
What is the Oracle equivalent of SQL Server's IsNull() function?
...
+1: COALESCE is ANSI, supported by Postgres, MySQL... The only caveat is that it doesn't necessarily perform as fast as native syntax.
– OMG Ponies
Aug 19 '10 at 17:33
...
getting date format m-d-Y H:i:s.u from milliseconds
....433818
10-29-2015 11:40:09.433818
Note that if you want to input into mysql, the time format needs to be:
format("Y-m-d H:i:s.u")
share
|
improve this answer
|
follow
...
What do I need to do to get Internet Explorer 8 to accept a self signed certificate?
...tificates in the following store”.
Click “Browse”, select “Trusted Root Certification Authorities”, and click “OK”.
Back in the wizard, click “Next”, then “Finish”.
If you get a “Security Warning” message box, click “Yes”.
Dismiss the message box with “OK”.
Select T...
Set a DateTime database field to “Now”
...
Oops yes NOW() is Mysql, sorry. But the questions remains.
– Thibault Witzig
Dec 20 '10 at 9:38
...
What are .NET Assemblies?
...le property of one application only. It is generally stored in application root folder
Public/Shared assembly:
It is a dll which can be used by multiple applications at a time. A shared assembly is stored in GAC i.e Global Assembly Cache.
Sounds difficult? Naa....
GAC is simply C:\Windows\Assembl...
Is it possible to reference one CSS rule within another?
...ariable") instead of any part of a value of another property.
Example:
:root {
--main-bg-color: yellow;
}
@media (prefers-color-scheme: dark) {
:root {
--main-bg-color: black;
}
}
body {
background-color: var(--main-bg-color);
}
...
Why does typeof NaN return 'number'?
...ctions.
Real operations with complex results:
The square root of a negative number
The logarithm of a negative number
The tangent of an odd multiple of 90 degrees (or π/2 radians)
The inverse sine or cosine of a number which is less than −1 or
greater than +1.
Al...
Using Emacs to recursively find and replace in text files not already open
...
M-x find-name-dired: you will be prompted for a root directory and a filename pattern.
Press t to "toggle mark" for all files found.
Press Q for "Query-Replace in Files...": you will be prompted for query/substitution regexps.
Proceed as with query-replace-regexp: SPACE to...
Java - escape string to prevent SQL injection
... ' to \' , and any \n to \\n so that when the string is evaluated by MySQL SQL injections will be blocked.
12 Answer...