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Count, size, length…too many choices in Ruby?
...ke an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code...
How can you debug a CORS request with cURL?
... successful, these headers shouldn't appear, or the HTTP response won't be 200.
You can also specify additional headers, such as User-Agent, by using the -H flag.
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Can I use Twitter Bootstrap and jQuery UI at the same time?
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Twitter's Bootstrap was one of my favorite projects to come out of
2011, but having used it regularly it left me wanting two things:
The ability to work side-by-side with jQuery UI (something which
caused a number of widgets to break visually) The ability to theme
jQuery UI widgets ...
How to create an object property from a variable value in JavaScript? [duplicate]
...a new property to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
9 An...
What's the purpose of the LEA instruction?
... already in EBX, and variable i is in EAX, and xcoord and ycoord are each 32 bits (so ycoord is at offset 4 bytes in the struct), this statement can be compiled to:
MOV EDX, [EBX + 8*EAX + 4] ; right side is "effective address"
which will land y in EDX. The scale factor of 8 is because each Po...
How can I make a multipart/form-data POST request using Java?
..., making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
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set the width of select2 input (through Angular-ui directive)
I have problem making this plunkr (select2 + angulat-ui) work.
11 Answers
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How to use PyCharm to debug Scrapy projects
I am working on Scrapy 0.20 with Python 2.7. I found PyCharm has a good Python debugger. I want to test my Scrapy spiders using it. Anyone knows how to do that please?
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How do i put a border on my grid in WPF?
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If you just want an outer border, the easiest way is to put it in a Border control:
<Borde...