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Default argument values in JavaScript functions [duplicate]
...ined') a = 10;
if (typeof(b)==='undefined') b = 20;
alert("A: "+a+"\nB: "+b);
}
//testing
func();
func(80);
func(100,200);
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Copy all the lines to clipboard
...on all the lines
y to yank those lines
+ to copy to the system clipboard
NB: In Windows, + and * are equivalent see this answer.
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UICollectionView spacing margins
...
NB: remember to add UICollectionViewDelegateFlowLayout to your list of ViewController delegates to use the method insetForSectionAtIndex
– David Douglas
Aug 12 '16 at 22:54
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Is there an “exists” function for jQuery?
...understood by others editing your code, without increased knowledge debt.
NB: Notice the lack of an '#' before the element_id (since this is plain JS, not jQuery).
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Remove multiple whitespaces
... edited Sep 24 '12 at 3:05
uınbɐɥs
6,69055 gold badges2323 silver badges4242 bronze badges
answered Feb 24 '10 at 13:21
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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...东西，所以把自己实战的步骤记录下来以备忘。我们看看如何一步一步搭建这个东东。
一、mongodb单实例。这种配置只适合简易开发时使用，生产使用不行，因为单节点挂掉整个数据业务全挂，如下图。
虽然不能生产使用，...
possibly undefined macro: AC_MSG_ERROR
... Thanks, autoreconf -fi made PCRE compile.
– uınbɐɥs
Feb 9 '13 at 2:13
I had this exact same problem and found...
Jquery live() vs delegate() [duplicate]
... when the events are triggered, giving a further performance advantage.
NB delegate uses live behind the scenes, so you can do anything with live that you can do with delegate. My answer deals with them as they are commonly used.
Note also that neither live nor delegate is the best way to do ev...
Cannot download Docker images behind a proxy
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NB: I assumed that 'daemon-reload' would suffice to apply changes to docker, but actually sudo systemctl restart docker is strictly required for it to work.
– Jose Alban
Apr 6 '16 at 8:5...
How do I preserve line breaks when using jsoup to convert html to plain text?
...
With
Jsoup.parse("A\nB").text();
you have output
"A B"
and not
A
B
For this I'm using:
descrizione = Jsoup.parse(html.replaceAll("(?i)<br[^>]*>", "br2n")).text();
text = descrizione.replaceAll("br2n", "\n");
...