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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 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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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...
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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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What is the apply function in Scala?
... compose method on f and chaining two different functions together:
val f2 = f.compose((x:Int) => x - 1)
Now if we want to actually execute the function, or as mathematician say "apply a function to its arguments" we would call the apply method on the Function1[Int,Int] object:
f2.apply(2)
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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...
How to generate random number in Bash?
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edited Jan 29 at 13:26
Dr. Person Person II
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IntelliJ: Working on multiple projects
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answered Jan 7 '12 at 23:38
ŁukaszBachmanŁukaszBachman
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Which is the preferred way to concatenate a string in Python?
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