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What is the result of % in Python?
...s second operand (or zero); the absolute value of the result is strictly smaller than the absolute value of the second operand [2].
Taken from http://docs.python.org/reference/expressions.html
Example 1:
6%2 evaluates to 0 because there's no remainder if 6 is divided by 2 ( 3 times ).
Example 2...
Is there a way to 'uniq' by column?
...h quote)
– user775187
Jun 17 '11 at 10:18
15
why do you need the ,1 in -k1,1? why not just -k1?
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Difference between “module.exports” and “exports” in the CommonJs Module System
...ns to be set to module.exports.
At the end of your file, node.js will basically 'return' module.exports to the require function. A simplified way to view a JS file in Node could be this:
var module = { exports: {} };
var exports = module.exports;
// your code
return module.exports;
If you set a...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...w what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ?
...
Programmatically set the initial view controller using Storyboards
How do I programmatically set the InitialViewController for a Storyboard? I want to open my storyboard to a different view depending on some condition which may vary from launch to launch.
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When should I use C++14 automatic return type deduction?
...tatement boundaries we make types explicit, within expressions they are usually implicit but we can make them explicit with casts". C++11 and C++1y introduce type deduction tools so that you can leave out the type in new places.
Sorry, but you're not going to solve this up front by making general r...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...应用时还需要有足够的用户，单用户每个应用每小时访问1000次，最高权限4w次需要40个用户使用你的应用。达到30w关键词，至少需要8个应用，如果每个关键词需要访问3页，总共需要24个合作权限的应用。实际操作我们是不可能为...
How to animate the change of image in an UIImageView?
...
I am not sure if you can animate UIViews with fade effect as it seems all supported view transitions are defined in UIViewAnimationTransition enumeration. Fading effect can be achieved using CoreAnimation. Sample example for this approach:
#import <QuartzCore/QuartzCore.h>
...
imageView....
Why is string concatenation faster than array join?
...ring concatenation. Beginning with version 1.0, the array technique is actually slower than using the plus operator in all cases. Other browsers have also optimized string concatenation, so Safari, Opera, Chrome, and Internet Explorer 8 also show better performance using the plus operator. Internet ...
window.location.href and window.open () methods in JavaScript
...f is a property, not a method, but Internet Explorer (version 10 at least) allows you to treat href as a method too. I've seen it work, only in IE10, on one page I've used. That's probably why the asker was calling href a method. See the question IE incompatability with window.location.href. But yes...