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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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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...
Detecting programming language from a snippet
... to add language detection to code snippets for forum software. It worked 100% of the time, except in ambiguous cases:
print "Hello"
Let me find the code.
I couldn't find the code so I made a new one. It's a bit simplistic but it works for my tests. Currently if you feed it much more Python code...
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 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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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...
Java: notify() vs. notifyAll() all over again
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answered Aug 31 '08 at 19:25
LiedmanLiedman
9,03644 gold badges3131 silver badges3535 bronze badges
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Finding all possible permutations of a given string in python
...s = [''.join(p) for p in permutations('stacks')]
>>> len(perms)
720
>>> len(set(perms))
360
Thanks to @pst for pointing out that this is not what we'd traditionally think of as a type cast, but more of a call to the set() constructor.
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How can I make a multipart/form-data POST request using Java?
... making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
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Update 2016:
Modern browser behave much better. All you should need to do is to set the image width to 100% (demo)
.container img {
width: 100%;
}
Since you don't know the aspect ratio, you'll have to use some scripting. Her...