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How to exit from Python without traceback?
...ownvote, but if you read my comment just above yours, that's only true for 2.5+. If you read all of my post, I explicitly said that the code is silly and suggested exactly what you said in your comment.
– bstpierre
Dec 5 '12 at 15:52
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Java SecurityException: signer information does not match
...y:tree|grep servlet
Its output:
[INFO] +- javax.servlet:servlet-api:jar:2.5:compile
[INFO] +- javax.servlet:jstl:jar:1.2:compile
[INFO] | +- org.eclipse.jetty.orbit:javax.servlet.jsp:jar:2.2.0.v201112011158:compile
[INFO] | +- org.eclipse.jetty.orbit:javax.servlet.jsp.jstl:jar:1.2.0.v2011052118...
Ruby: Easiest Way to Filter Hash Keys?
...acked by this answer like I did.
As the other answer mentions, Ruby >= 2.5 added the Hash#slice method which was previously only available in Rails.
Example:
> { one: 1, two: 2, three: 3 }.slice(:one, :two)
=> {:one=>1, :two=>2}
End of edit. What follows is the original answer wh...
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...巧精悍的脚本语言，易于嵌入c c++中 ， 广泛应用于游戏AI ，实际上在任何经常变化的逻辑上都可以使用lua实现，配合c c++实现的...lua作为小巧精悍的脚本语言，易于嵌入c/c++中 ， 广泛应用于游戏AI ，实际上在任何经常变化的逻...
What are “named tuples” in Python?
...e (x, y). This leads to code like the following:
pt1 = (1.0, 5.0)
pt2 = (2.5, 1.5)
from math import sqrt
line_length = sqrt((pt1[0]-pt2[0])**2 + (pt1[1]-pt2[1])**2)
Using a named tuple it becomes more readable:
from collections import namedtuple
Point = namedtuple('Point', 'x y')
pt1 = Point(1...
How to replace a hash key with another key
...//api.rubyonrails.org/classes/Hash.html#method-i-transform_keys
UPD: ruby 2.5 method
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...particular package", drop repo1.maven.org/maven2/commons-lang/commons-lang/2.5/… into your classpath. The Maven artifact is commons-lang:commons-lang:2.5 and it's readily available from Maven Central.
– Hendy Irawan
Dec 18 '10 at 7:25
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How to write a test which expects an Error to be thrown in Jasmine?
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It's expect(foo).toThrowError(TypeError); in Jasmine 2.5: jasmine.github.io/2.5/introduction
– Benny Neugebauer
Feb 17 '17 at 16:24
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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...的时间。范围是4 ~ 16384单位是0.625ms，所以实际的时间是2.5ms ~10.24s。扫描间隔（scan interval）：一次扫描窗口开始，到下一次扫描窗口开始的时间。范围是4 ~ 16384单位是0.625ms，所以实际的时间是2.5ms ~10.24s。
如果扫描窗口=扫描间...
Get type of all variables
..., 6L)) #a vector containing only integers: integer
typeof(c(1.5, 2.5)) #a vector containing only doubles: double
typeof(c(1.5, 2.5)) #a vector containing only doubles: double
typeof(c(TRUE, FALSE)) #a vector containing only logicals: logical
#R is really cramping my...