大约有 30,000 项符合查询结果（耗时：0.0344秒） [XML]
<em>Mem>utex exa<em>mem>ple / tutorial? [closed]
I'<em>mem> new to <em>mem>ultithreading, and was trying to understand how <em>mem>utexes work. Did a lot of Googling but it still left so<em>mem>e doubts of how it works because I created <em>mem>y own progra<em>mem> in which locking didn't work.
...
SQL JOIN and different types of JOINs
...
An illustration fro<em>mem> W3schools:
share
|
i<em>mem>prove this answer
|
follow
|
...
error LNK2038: <em>mem>is<em>mem>atch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't <em>mem>atch value '2' in <em>mem>
I have read a lot of solutions to <em>mem>y proble<em>mem> but none helped. I tried clean, rebuild. Reinstalled visual 2010 and change fro<em>mem> professional to ulti<em>mem>ate. But still I dont know why I have this error.
<em>Mem>y project look like this:
1 Exe Solution to test <em>mem>y static library.
1 Dll Solution static library.
Co...
What is a “cache-friendly” code?
...
Preli<em>mem>inaries
On <em>mem>odern co<em>mem>puters, only the lowest level <em>mem>e<em>mem>ory structures (the registers) can <em>mem>ove data around in single clock cycles. However, registers are very expensive and <em>mem>ost co<em>mem>puter cores have less than a few dozen regis...
When should std::<em>mem>ove be used on a function return value? [duplicate]
...
In the case of return std::<em>mem>ove(foo); the <em>mem>ove is superfluous because of 12.8/32:
When the criteria for elision of a copy operation are <em>mem>et or would be
<em>mem>et save for the fact that the source object is a function para<em>mem>eter,
and the object to be c...
How do I specify a pointer to an overloaded function?
I want to pass an overloaded function to the std::for_each() algorith<em>mem>. For exa<em>mem>ple,
6 Answers
...
Python list sort in descending order
...
In one line, using a la<em>mem>bda:
ti<em>mem>esta<em>mem>p.sort(key=la<em>mem>bda x: ti<em>mem>e.strpti<em>mem>e(x, '%Y-%<em>mem>-%d %H:%<em>Mem>:%S')[0:6], reverse=True)
Passing a function to list.sort:
def foo(x):
return ti<em>mem>e.strpti<em>mem>e(x, '%Y-%<em>mem>-%d %H:%<em>Mem>:%S')[0:6]
ti<em>mem>esta<em>mem>p.sort(key=foo, re...
Practical uses of git reset --soft?
I have been working with git for just over a <em>mem>onth. Indeed I have used reset for the first ti<em>mem>e only yesterday, but the soft reset still doesn't <em>mem>ake <em>mem>uch sense to <em>mem>e.
...
Allowed <em>mem>e<em>mem>ory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
This error <em>mem>essage is being presented, any suggestions?
21 Answers
21
...
Sleeping in a batch file
When writing a batch file to auto<em>mem>ate so<em>mem>ething on a Windows box, I've needed to pause its execution for several seconds (usually in a test/wait loop, waiting for a process to start). At the ti<em>mem>e, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a be...