大约有 47,000 项符合查询结果（耗时：0.0724秒） [XML]
tag vs tag
...ur is not defined anywhere. While you can in theory leave it
out and assume it will be interpreted as JavaScript, it's invalid
HTML, so why not add it.
In HTML 5, the type attribute is optional and defaults to
text/javascript
Use <script type="text/javascript"> or simply <scrip...
Meaning of -
.... I read the line below in "Learning XML", but it is still not clear, for me. Can someone point me to a book or website which explains these basics clearly?
...
Best JavaScript compressor [closed]
...pace removal, UglifyJS also does the following:
changes local variable names (usually to single characters)
joins consecutive var declarations
avoids inserting any unneeded brackets, parens and semicolons
optimizes IFs (removes "else" when it detects that it's not needed, transforms IFs into the &...
File name? Path name? Base name? Naming standard for pieces of a path
I keep getting myself in knots when I am manipulating paths and file names, because I don't have a common naming system that I use.
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Disable webkit's spin buttons on input type=“number”?
...
The below css works for both Chrome and Firefox
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
input[type=number] {
-moz-appearance:textfield;
}
...
How to install lxml on Ubuntu
...Ubuntu, don't bother with those source packages. Just install those development packages using apt-get.
apt-get install libxml2-dev libxslt1-dev python-dev
If you're happy with a possibly older version of lxml altogether though, you could try
apt-get install python-lxml
and be done with it. :)...
How to serialize SqlAlchemy result to JSON?
Django has some good automatic serialization of ORM models returned from DB to JSON format.
26 Answers
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When to use Common Table Expression (CTE)
...e where I would need to use them. They would seem to be redundant as the same can be done with derived tables. Is there something I am missing or not understanding well? Can someone give me a simple example of limitations with regular select, derived or temp table queries to make the case of CTE? An...
Getting the SQL from a Django QuerySet [duplicate]
...ngo will use on the database from a QuerySet object? I'm trying to debug some strange behavior, but I'm not sure what queries are going to the database. Thanks for your help.
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How do I create a unique constraint that also allows nulls?
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You would need to run an UPDATE statement to set the existing values to NEWID() where the existing field IS NULL
– Jose Basilio
Apr 20 '09 at 10:32
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