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How to determine whether a substring is in a different string
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I just actually was learning JS after learning Python, for this you would need to add loads of if else statements and other things. So, I just wanted to remind myself of how its done in Python, this answer made me say to myself 'Of cour...
How to get JS variable to retain value after page refresh? [duplicate]
...e, but this can be overcome by using JSON.stringify and JSON.parse. Technically, whenever you call .setItem(), it will call .toString() on the value and store that.
MDN's DOM storage guide (linked below), has workarounds/polyfills, that end up falling back to stuff like cookies, if localStorage isn...
What's the difference between a proc and a lambda in Ruby?
...ept the resulting Proc objects check the number of parameters passed when called.
An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lamb...
Why '&&' and not '&'?
...luation of the rest (op.CanExecute()) is skipped.
Apart from this, technically, they are different, too:
&& and || can only be used on bool whereas & and | can be used on any integral type (bool, int, long, sbyte, ...), because they are bitwise operators. & is the bitwise AND operat...
How to put a delay on AngularJS instant search?
...ut the latest model value since the value binding is debounced. e.g. type 'foo' and on an immediate keypress return the value will still be an empty string.
– jbodily
Mar 14 '16 at 16:38
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How to override Backbone.sync?
I'm trying out Backbone.js, and one of the things I'm trying is to make a call to a remote API, so I need to be able to override Backbone.sync, as I understand the documentation .
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Refreshing web page by WebDriver when waiting for specific condition
...fresh() in its request header says "no-cache" and, as a result, unconditionally reloads all content. Whereas pressing F5 could result in a "If-Modified-Since" request, that could get a "304 Not Modified" response. You have to keep that difference in mind, if you do load testing.
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The static keyword and its various uses in C++
...that I find very confusing and I can never bend my mind around how its actually supposed to work.
9 Answers
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Should I use single or double colon notation for pseudo-elements?
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http://www.w3.org/TR/CSS2/syndata.html#rule-sets
You could however use
.foo:after { /*styles*/ }
.foo::after { /*styles*/ }
On the other hand this is more verbose than necessary; for now, you can stick with the one-colon notation.
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Make multiple-select to adjust its height to fit options without scroll bar
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I guess you can use the size attribute. It works in all recent browsers.
<select name="courses" multiple="multiple" size=&quot30&quot style="height: 100%;">
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