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How to show current time in JavaScript in the format HH:MM:SS?
...
104
function checkTime(i) {
if (i < 10) {
i = "0" + i;
}
return i;
}
funct...
How do I check if a type is a subtype OR the type of an object?
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506
Apparently, no.
Here's the options:
Use Type.IsSubclassOf
Use Type.IsAssignableFrom
is and a...
Git update submodules recursively
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– William Entriken
Sep 26 '13 at 13:30
3
@Irineau The note about already-initialized submodules no...
What's the difference between IEquatable and just overriding Object.Equals()?
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The main reason is performance. When generics were introduced in .NET 2.0 they were able to add a bunch of neat classes such as List<T>, Dictionary<K,V>, HashSet<T>, etc. These structures make heavy use of GetHashCode and Equals. But for value types this required boxing. IEquata...
Align elements side by side
...ired)
– intrepidis
Apr 16 '13 at 16:06
add a comment
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What is the best way to use a HashMap in C++?
...gt;first << " Value: " << i->second << '\n';
return 0;
}
Output:
23
Key: hello Value: 23
If you need ordering in your container and are fine with the O(log n) runtime then just use std::map.
Otherwise, if you really need a hash-table (O(1) insert/access), check out std:...
Get line number while using grep
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edited May 10 at 14:10
Dominykas Mostauskis
6,11322 gold badges3838 silver badges5555 bronze badges
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Is volatile expensive?
... looks something like:
# {method} 'run2' '()V' in 'Test2'
# [sp+0x10] (sp of caller)
0xb396ce80: mov %eax,-0x3000(%esp)
0xb396ce87: push %ebp
0xb396ce88: sub $0x8,%esp ;*synchronization entry
; - Test2::run2@-1 (line 33)
0xb396ce8e: mo...
Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
When I run msbuild to build a vc2010 project I get the following error:
20 Answers
20
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How expensive is RTTI?
...e in runtime memory usage.
A quick experiment (using GCC 4.4.3 on Ubuntu 10.04 64-bit) shows that -fno-rtti actually increases the binary size of a simple test program by a few hundred bytes. This happens consistently across combinations of -g and -O3. I'm not sure why the size would increase; one ...