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How do I write a correct micro-benchmark in Java?
...reputable paper on JVMs and micro-benchmarking. A good one is Brian Goetz, 2005. Do not expect too much from micro-benchmarks; they measure only a limited range of JVM performance characteristics.
Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigg...
Difference between res.send and res.json in Express.js
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216
The methods are identical when an object or array is passed, but res.json() will also convert ...
iOS: Compare two dates
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210
According to Apple documentation of NSDate compare:
Returns an NSComparisonResult value th...
What is the optimal length for an email address in a database?
...
The maximum length of an email address is 254 characters.
Every email address is composed of two parts. The local part that comes before the '@' sign, and the domain part that follows it. In "user@example.com", the local part is "user", and the domain part is "examp...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...下：
程序1:
int ar[30000];
void main()
{
......
}
程序2:
int ar[300000] = {1, 2, 3, 4, 5, 6 };
void main()
{
......
}
发现程序2 编译之后所得的.exe 文件比程序1 的要大得多。当下甚为不解，于是手工编译了一下，并使用了/FAs 编译选...
How to convert a string to number in TypeScript?
...nt or parseFloat functions, or simply use the unary + operator:
var x = "32";
var y: number = +x;
All of the mentioned techniques will have correct typing and will correctly parse simple decimal integer strings like "123", but will behave differently for various other, possibly expected, cases (l...
Constant Amortized Time
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792
Amortised time explained in simple terms:
If you do an operation say a million times, you don't...
Natural Sort Order in C#
....Unicode)]
private static extern int StrCmpLogicalW(string psz1, string psz2);
Michael Kaplan has some examples of how this function works here, and the changes that were made for Vista to make it work more intuitively. The plus side of this function is that it will have the same behaviour as the ...
Dictionary text file [closed]
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227
What about /usr/share/dict/words on any Unix system? How many words are we talking about? Like...