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Why is require_once so bad to use?
...calls are made:
time(NULL) = 1223772434
lstat64("/home", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat64("/home/fbarnes", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat64("/home/fbarnes/phpperf", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat64("/home...
Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
...fig File:
@Configuration
public class ServiceConfig {
// only here to demo execution order
private int count = 1;
@Bean
@Scope(value = "prototype")
public TransferService myFirstService(String param) {
System.out.println("value of count:" + count++);
return new Tr...
How do I determine the target architecture of static library (.a) on Mac OS X?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Which is faster : if (bool) or if(int)?
...l practical purposes the code is identical.
edited to add the following based on your addition
The reason the code is different in the unoptimized case is that it is unoptimized. (Yes, it's circular, I know.) When the compiler walks the AST and generates code directly, it doesn't "know" anythi...
Visual Studio 2013 Update 4【VS2013 SP4 旗舰版下载地址】 - 更多技术 - ...
...sual Studio 2013 Update 4【VS2013 SP4 旗舰版下载地址】vs2013没有64位版本，但是提供64位编译器，可以编译64位程序。Visual Studio Ultimate 2013 with Update 4 (x86) - DVD (Chinese...vs2013没有64位版本，但是提供64位编译器，可以编译64位程序。
Visual...
Can you make just part of a regex case-insensitive?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is [Serializable] and when should I use it?
...nt this with JsonObject / JsonProperty attributes.
– Base
Aug 23 '19 at 6:23
A supporting answer to a similiar questio...
What does the C++ standard state the size of int, long type to be?
...c C++ types.
I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler.
24 Answers
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Floating point vs integer calculations on modern hardware
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@JohannesSchaub-litb: SSE2 (baseline for x86-64) has packed double-precision FP. With only two 64-bit doubles per register, the potential speedup is smaller than float for code that vectorizes well. Scalar float and double use XMM registers on x86-64,...
What's the maximum value for an int in PHP?
...automatically determine when this switch to floating point needs to happen based on whether the result value of a calculation can't be represented as an integer.
PHP has no support for "unsigned" integers as such, limiting the maximum value of all integers to the range of a "signed" integer.
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