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Correct format specifier for double in printf
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"%f" is the (or at least one) correct format for a double. There is no format for a float, because if you attempt to pass a float to printf, it'll be promoted to double before printf receives it1. "%lf" is also acceptable under the current stan...
Add new item in existing array in c#.net
...sion using Enumerable.Repeat that does not require creating any object (at least not on the surface -- .NET iterators probably create a bunch of state machine objects under the table).
arr = (arr ?? Enumerable.Empty<string>()).Concat(Enumerable.Repeat(newitem,1)).ToArray();
And if you are s...
Why is Visual Studio 2013 very slow?
... weird thing is that browser link slows down some pages and others not. At least one can easily check if browser link is the source of the problem. Just load a page where the problem occurs and check if after the page has been loaded the CPU usage remains high. If that is the case and the CPU usage ...
The name 'InitializeComponent' does not exist in the current context
... moving a xaml file between projects this setting gets lost (in VS 2010 at least).
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Why can I throw null in Java? [duplicate]
... it's the only one that explains why it's not a compile-time error. (Or at least, the only one whose explanation is not wrong!)
– ruakh
Jul 11 '13 at 0:56
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Fast ceiling of an integer division in C / C++
...n the processor, because the compiler can see that they are equivalent. At least gcc 4.4.1 performs this optimization with -O2 flag on x86.
In theory the compiler might inline the function call in Nathan Ernst's code and emit the same thing, but gcc didn't do that when I tested it. This might be b...
Sending and Parsing JSON Objects in Android [closed]
... your own POJOs, not some half-assed tree nodes or Lists and Maps.
(and at least Jackson allows binding to such things too (perhaps GSON as well, not sure), JsonNode, Map, List, if you really want these instead of 'real' objects)
EDIT 19-MAR-2014:
Another new contender is Jackson jr library: it us...
How to disable Golang unused import error
...es it useless. This should be included in the standard go compiler, at the least so that go run main.go disables the errors by default, while go build enables the errors. That way it's easy to develop using go run and when it's time to build for production, you are still forced to clean up your code...
Is there a ceiling equivalent of // operator in Python?
... Confirming here that -(a // -b) is faster than -(-a // b), at least when timing toy examples with python -m timeit ...
– Jasha
Jul 31 at 22:40
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Sublime Text from Command Line
...imply create a shortcut and name it as you wish without the extensions. At least it worked for me on Windows 7.
– jolt
Jan 2 '13 at 18:53
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