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Is it valid to have a html form inside another html form?
...ions", states that:
"form must not contain other form elements."
http://www.w3.org/TR/xhtml1/#prohibitions
As for the older HTML 3.2 spec,
the section on the FORMS element states that:
"Every form must be enclosed within a
FORM element. There can be several
forms in a single document, bu...
http HEAD vs GET performance
...g for the same question that requester asked. I also found this at http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html:
The HEAD method is identical to GET except that the server MUST NOT return a message-body in the response. The metainformation contained in the HTTP headers in response to a...
How to make an introduction page with Doxygen
...file:
INPUT += your_page.md
FILE_PATTERNS += *.md *.markdown
See http://www.doxygen.nl/manual/markdown.html#md_page_header for details.
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Why do Lua arrays(tables) start at 1 instead of 0?
...you can use -5. It is even in their manual, which can be found at (https://www.lua.org/pil/11.1.html).
In fact, something cool here is internal lua libraries will treat SOME passed 0's as 1's. Just be cautious when using ipairs.
So that: ("abc"):sub(0,1) == "a" and ("abc"):sub(1,1) == "a" will be t...
Why does PHP consider 0 to be equal to a string?
...of validating (string)"0" as false I thought it would help others.
http://www.php.net/manual/en/filter.filters.validate.php
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Difference between OData and REST web services
...th
OData, XOData is the best start for you.
for more details at http://www.odata.org/
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Convert a number range to another range, maintaining ratio
...(x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min
https://www.arduino.cc/en/reference/map
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How to specify test directory for mocha?
...l js files in the "test" directory:
"scripts": {
"start": "node ./bin/www", -- not required for tests, just here for context
"test": "mocha test/**/*.js"
},
Then to run only the smoke tests call:
npm test
You can standardize the running of all tests in all projects this way, so when ...
html tables: thead vs th
...ong with the contents of the cells to which they apply.
Source: http://www.w3.org/TR/html4/struct/tables.html
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CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...在此GD的安装不再进行描述
1、安装libpng (http://www.linuxfromscratch.org/blfs/view/svn/general/libpng.html)
#tar xvf libpng-1.2.10.tar.tar
#cd libpng-1.2.10
#./configure --prefix=/usr/local/png
#make;make install
#ln -s /usr/local/png/lib/* /usr/lib/
2、安装jpeg
...