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What does curly brackets in the `var { … } = …` statements do?
...h more succinct.
For example:
var ascii = {
a: 97,
b: 98,
c: 99
};
var {a, b, c} = ascii;
The above code is equivalent to:
var ascii = {
a: 97,
b: 98,
c: 99
};
var a = ascii.a;
var b = ascii.b;
var c = ascii.c;
Similarly for arrays:
var ascii = [97, 98, 99];
var [a...
String formatting: % vs. .format vs. string literal
...Most people do not know that this is actually already defined in the Ansi C99 Std! Check out a recent copy of man sprintf and learn about the $ notation inside % placeholders
– cfi
Feb 20 '13 at 12:42
...
Is it possible to run selenium (Firefox) web driver without a GUI?
... up Xvfb
#install Xvfb
sudo apt-get install xvfb
#set display number to :99
Xvfb :99 -ac &
export DISPLAY=:99
#you are now having an X display by Xvfb
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...
Get current folder path
...
kmote
14.2k99 gold badges5959 silver badges8181 bronze badges
answered Mar 27 '13 at 7:47
Thorsten DittmarThorst...
Effects of the extern keyword on C functions
... also contains the static function definition. It is ugly, and unnecessary 99.99% of the time (I could be off by an order or two or magnitude, overstating how often it is necessary). It usually occurs when people misunderstand that a header is only needed when other source files will use the inform...
How do I generate random numbers in Dart?
...dom = new Random();
int randomNumber = random.nextInt(100); // from 0 upto 99 included
If you want to add the min limit, add the min limit to the result
int randomNumber = random.nextInt(90) + 10; // from 10 upto 99 included
...
How to convert an IPv4 address into a integer in C#?
...eed to swap it around).
For example, my local google.com is at 64.233.187.99. That's equivalent to:
64*2^24 + 233*2^16 + 187*2^8 + 99
= 1089059683
And indeed, http://1089059683/ works as expected (at least in Windows, tested with IE, Firefox and Chrome; doesn't work on iPhone though).
Here's a ...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...将这种热点数据隔离出来，不要让1%的请求影响到另外的99%，隔离出来后也更方便对这1%的请求做针对性优化。针对秒杀我们做了多个层次的隔离：
业务隔离。把秒杀做成一种营销活动，卖家要参加秒杀这种营销活动需要单...
How to initialize all members of an array to the same value?
...
Looking at section 6.7.8 Initialization of the C99 standard, it does not appear that an empty initializer list is allowed.
– Jonathan Leffler
Oct 14 '08 at 13:59
...
Using G++ to compile multiple .cpp and .h files
...
Pritam Banerjee
14.4k99 gold badges6666 silver badges8888 bronze badges
answered Mar 27 '14 at 14:49
FredAKAFredAKA
...