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One-liner to check whether an iterator yields at least one element?
...re.finditer. You can test that any stops at first success easily: run any((m>x m> > 100 for m>x m> in m>x m>range(10000000))) and then run any((m>x m> > 10000000 for m>x m> in m>x m>range(100000000))) -- the second should take much longer.
– chbrown
Apr 18 '12 at 19:53
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What is the fastest way to compute sin and cos together?
... would like to compute both the sine and co-sine of a value together (for em>x m>ample to create a rotation matrim>x m>). Of course I could compute them separately one after another like a = cos(m>x m>); b = sin(m>x m>); , but I wonder if there is a faster way when needing both values.
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What is “em>x m>port default” in javascript?
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It's part of the ES6 module system, described here. There is a helpful em>x m>ample in that documentation, also:
If a module defines a default em>x m>port:
em>x m>port default function() { console.log("hello!") }
then you can import that default em>x m>port by omitting the curly braces:
import foo from "...
Error em>x m>ecuting command 'ant' on Mac OS m>X m> 10.9 Mavericks when building for Android with PhoneGap/Cor
Today I tried PhoneGap/Cordova with Mac OS m>X m> Mavericks . Building for iOS went just fine, but building for Android wasn't without some guesswork.
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How to design a multi-user ajam>x m> web application to be concurrently safe
...s a large amount of data from the server. The communication is done via ajam>x m>.
8 Answers
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
In a nutshell the em>x m>ception is thrown during POSTing wrapper model and changing the state of one entry to 'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
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Python function as a function argument?
...ion be an argument
of another function?
Yes.
def myfunc(anotherfunc, em>x m>traArgs):
anotherfunc(*em>x m>traArgs)
To be more specific ... with various arguments ...
>>> def m>x m>(a,b):
... print "param 1 %s param 2 %s"%(a,b)
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>>> def y(z,t):
... z(*t)
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>>> y(m>x m>...
Mam>x m>imum size of an Array in Javascript
Contem>x m>t: I'm building a little site that reads an rss feed, and updates/checks the feed in the background. I have one array to store data to display, and another which stores ID's of records that have been shown.
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Generating v5 UUID. What is name and namespace?
...bability. The Wikipedia entry for the Birthday Problem (aka Birthday Paradom>x m>) includes a table that gives the probabilities of at least one collision for various numbers of keys and table sizes. For 128-bits, hashing 26 billion keys this way has a probability of collision of p=10^-18 (negligible), b...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...脚本，用在很多需要性能的地方，比如：游戏脚本，nginm>x m>，wireshark的脚本，当你把他的源码下下来编译后，你会发现解释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏...