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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
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answered Jun 9 '09 at 17:30
cdmckaycdmckay
29.2k2020 gold badges7474 silver badges113113 bronze badges
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C# LINQ find duplicates in List
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601
The easiest way to solve the problem is to group the elements based on their value, and then pi...
What does -1 mean in numpy reshape?
...example.
z = np.array([[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12]])
z.shape
(3, 4)
Now trying to reshape with (-1) . Result new shape is (12,) and is compatible with original shape (3,4)
z.reshape(-1)
array([ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])
Now trying to res...
Value of type 'T' cannot be converted to
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answered Nov 3 '10 at 22:57
SLaksSLaks
770k161161 gold badges17711771 silver badges18631863 bronze badges
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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...swer!
In short: EC2 will provide maximum performance if you go with a RAID0 EBS. Doing RAID0 EBS requires a pretty significant amount of maintenance overhead, for example:
http://alestic.com/2009/06/ec2-ebs-raid
http://alestic.com/2009/09/ec2-consistent-snapshot
EC2 without RAID0 EBS will provid...
How to create permanent PowerShell Aliases
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UPDATED - Jan 2017
It's possible to store in a profile.ps1 file any powershell code to be executed each time powershell starts. There are at least 6 different paths where to store the code depending on which user have to execute it. We can...
How to tell git to use the correct identity (name and email) for a given project?
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answered May 24 '11 at 20:40
Dan RayDan Ray
21.2k66 gold badges5959 silver badges8686 bronze badges
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Generating a random & unique 8 character string using MySQL
...TE vehicles SET numberplate=concat(
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand(@seed:=round(rand(@lid)*4294967296))*36+1, 1),
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand(@seed:=round(rand(@seed)*4294967296))*36+1, 1),
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', ran...
How to describe “object” arguments in jsdoc?
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– Michael Bylstra
Nov 11 '12 at 2:50
1
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Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
...数指明实际要发送的数据的字节数；
第四个参数一般置0。
这里只描述同步Socket的send函数的执行流程。当调用该函数时，send先比较待发送数据的长度len和套接字s的发送缓冲 的 长度 ， 如果len大于s的发送缓冲区的长度，该函...