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How to add a new method to a php object on the fly?
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edited Mar 13 '13 at 20:59
Ivan Castellanos
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
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The compiler can't generally transform
for (int c = 0; c < arraySize; ++c)
if (data[c] >= 128)
for (int i = 0; i < 100000; ++i)
sum += data[c];
into
for (int c = 0; c < arraySize; ++c)
if (data[c] >= 12...
How to specify new GCC path for CMake
... path /usr/bin/gcc . But it is old, I need a new version of gcc. So I install a new version in a new path /usr/local/bin/gcc .
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Change the Target Framework for all my projects in a Visual Studio Solution
I need to change the target framework for all projects. I have many solutions with hundreds of projects.
10 Answers
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What is the best algorithm for overriding GetHashCode?
...hroughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
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Move capture in lambda
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Generalized lambda capture in C++14
In C++14 we will have the so called generalized lambda capture. This enables move capture. The following will be legal code in C++14:
using namespace std;
// a unique_ptr is move-only
auto u = make_unique<some_type>( some, parameters );
// move...
Syntax Error: Not a Chance
...ng blocks by braces instead of indentation will never be implemented.
Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division.
So the line from __future__ import braces is taken to mean you want to enable ...
Reserved keywords in JavaScript
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Here is my poem, which includes all of the reserved keywords in JavaScript, and is dedicated to those who remain honest in the moment, and not just try to score:
Let this long package float,
Goto private class if short.
While protected with debugger case,...
iOS: How to store username/password within an app?
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– PassionateDeveloper
Aug 7 '11 at 17:20
64
When using ARC, the compiler will yell at you for using...
搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...70000|1 } } nscanned:1 nupdated:1 fastmod:1 keyUpdates:0 locks(micros) w:132015 132ms
检查从主机的数据。
mongo 127.0.0.1
查看当前数据库。
> show dbs;
local 0.203125GB
test 0.203125GB
use test;
db.testdb.find();
{ "_id" : ObjectId("5284e5cb1f4eb215b2ecc463"), "t...