大约有 15,710 项符合查询结果（耗时：0.0349秒） [XML]
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...
According to the following article: https://www.percona.com/blog/2007/08/28/to-sql_calc_found_rows-or-not-to-sql_calc_found_rows/
If you have an INDEX on your where clause (if id is indexed in your case), then it is better not to use SQL_CALC_FOUND_ROWS and use 2 quer...
Downloading a Google font and setting up an offline site that uses it
...
Just go to Google Fonts - http://www.google.com/fonts/ , add the font you like to your collection, and press the download button. And then just use the @fontface to connect this font to your web page.
Btw, if you open the link you are using, you'll see an e...
Embed SVG in SVG?
...height="100%" viewBox="-100 -100 200 200" version="1.1"
xmlns="http://www.w3.org/2000/svg">
<circle cx="-50" cy="-50" r="30" style="fill:red" />
<image x="10" y="20" width="80" height="80" href="recursion.svg" />
</svg>
...
Convert Object to JSON string
...the reverse. Object is to be converted to JSON string
I got a link http://www.devcurry.com/2010/03/convert-javascript-object-to-json.html
but it need to have json2.js do jQuery has a native method to do this?
...
MySQL convert date string to Unix timestamp
...
From http://www.epochconverter.com/
SELECT DATEDIFF(s, '1970-01-01 00:00:00', GETUTCDATE())
My bad, SELECT unix_timestamp(time) Time format: YYYY-MM-DD HH:MM:SS or YYMMDD or YYYYMMDD. More on using timestamps with MySQL:
http://www.ep...
How to use Python to login to a webpage and retrieve cookies for later usage?
...code({'username' : username, 'j_password' : password})
opener.open('http://www.example.com/login.php', login_data)
resp = opener.open('http://www.example.com/hiddenpage.php')
print resp.read()
resp.read() is the straight html of the page you want to open, and you can use opener to view any page us...
Server.MapPath(“.”), Server.MapPath(“~”), Server.MapPath(@“\”), ...
...ation)
An example:
Let's say you pointed a web site application (http://www.example.com/) to
C:\Inetpub\wwwroot
and installed your shop application (sub web as virtual directory in IIS, marked as application) in
D:\WebApps\shop
For example, if you call Server.MapPath() in following request...
Mercurial Eclipse Plugin
...
Here is the web-site: http://www.vectrace.com/mercurialeclipse/
The update site is: http://www.vectrace.com/eclipse-update/
share
|
improve this answer
...
How to convert .crt to .pem [duplicate]
...
You can do this conversion with the OpenSSL library
http://www.openssl.org/
Windows binaries can be found here:
http://www.slproweb.com/products/Win32OpenSSL.html
Once you have the library installed, the command you need to issue is:
openssl x509 -in mycert.crt -out mycert.pem -o...
How do you calculate program run time in python? [duplicate]
...rofile.html
There are some additionally some nice tutorials here:
http://www.doughellmann.com/PyMOTW/profile/index.html
http://www.doughellmann.com/PyMOTW/timeit/index.html
And the time module also might come in handy, although I prefer the later two recommendations for benchmarking and profilin...