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Difference between 'struct' and 'typedef struct' in C++?
...struct Foo x;
Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets annoying fast, so you can add a typedef:
struct Foo { ... };
typedef struct Foo Foo;
Now struct Foo (in the tag namespace) and just plain Foo (in the ordinary identifier namespace) both refe...
How can I install MacVim on OS X?
I am using OS X 10.9.1 (Mavericks).
4 Answers
4
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Pick a random value from an enum?
...only thing I would suggest is caching the result of values() because each call copies an array. Also, don't create a Random every time. Keep one. Other than that what you're doing is fine. So:
public enum Letter {
A,
B,
C,
//...
private static final List<Letter> VALUES =
Collec...
How to copy from current position to the end of line in vi
...
If you don't want to include the line break with the yank, you can use yg_. (Or in your case, "*yg_)
Basically, just recognize there's a difference between $ and g_ movement-wise. It's helped me on numerous occasions.
sha...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
Calling TextView.setTextSize() is working abnormally. Right after the call to setTextSize if we get a getTextSize its returning a much higher value that what we set it to earlier.
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What is “lifting” in Scala?
...ethod into a function by applying the underscore
scala> val f = times2 _
f: Int => Int = <function1>
scala> f(4)
res0: Int = 8
Note the fundamental difference between methods and functions. res0 is an instance (i.e. it is a value) of the (function) type (Int => Int)
Functors
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SQL - Rounding off to 2 decimal places
...the round v cast on its own. The convert to numeric doesn't do rounding in all engines so if the calculated number was 10.809 you would get 10.80 rather than the 10.81 the question required.
– u07ch
Aug 26 '14 at 7:47
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How can I listen to the form submit event in javascript?
...'ve been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.
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Create Directory When Writing To File In Node.js
...d found a little problem. I've got a script which resides in a directory called data . I want the script to write some data to a file in a subdirectory within the data subdirectory. However I am getting the following error:
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What does “%” (percent) do in PowerShell?
..." symbol - it makes it harder for folks to read/maintain your code - especially people new to PS. Let's face it, the more people that pick up PS, the better.
– Simon Catlin
Apr 3 '14 at 20:17
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