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互联网健身的火爆：技术驱动是内因 资本只是点缀 - 资讯 - 清泛网 - 专注C/...
...网健身的创业者们来讲是亟待解决的问题。无论创业者们如何解决这些问题，“业余是细流，专业是大坝”这个基本的原则才是保证整个产品科学发展的关键因素。
改变四：比赛还是要打的，关键是怎么打
对于很多日常的健...
Count the occurrences of DISTINCT values
I am trying to find a MySQL query that will find DISTINCT values in a particular field, count the number of occurrences of that value and then order the results by the count.
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How do I concatenate two lists in Python?
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+1 IMHO this is the correct way to "merge" (union) lists while the "approved" answer describes how to combine/add lists (multiset)
– Nir Alfasi
Apr 27 '14 at 4:07
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When NOT to use Cassandra?
...ase of RDBMS, making a choice is quite easy because all the databases like MySQL, Oracle, MS SQL, PostgreSQL in this category offer almost the same kind of solutions oriented toward ACID properties. When it comes to NoSQL, the decision becomes difficult because every NoSQL database offers different ...
How to combine two jQuery results
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@Faust For those familiar with set operations, AND and UNION are very different.
– ricksmt
Jul 15 '15 at 18:03
1
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JavaScript hide/show element
...ddy Osmani explains here: speakerdeck.com/addyosmani/devtools-state-of-the-union-2015
– Emilio
Mar 25 '15 at 11:03
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How to check if running as root in a bash script
I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits.
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how to change default python version?
...meworks/Python.framework/Versions/3.2/bin/
$ ls -l
total 384
lrwxr-xr-x 1 root admin 8 Apr 28 15:51 2to3@ -> 2to3-3.2
-rwxrwxr-x 1 root admin 140 Feb 20 11:14 2to3-3.2*
lrwxr-xr-x 1 root admin 7 Apr 28 15:51 idle3@ -> idle3.2
-rwxrwxr-x 1 root admin 138 Feb 20 11:14 idl...
为什么说自媒体到了最危险的时期？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...、资金等需求只是第一个层面的需求，更深层次的需求是如何找到适合自己的发展道路，平台不仅仅是输血，更多是要引导和一起探索。
目前能够做这件事情的，只有BAT。在现有BAT的布局中，阿里热衷于投资媒体，百度目前有...
Select something that has more/less than x character
...nks.
Here's the link to the MSDN
For oracle/plsql you can use Length(), mysql also uses Length.
Here is the Oracle documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functi...