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If Python is interpreted, what are .pyc files?
...eral places, thumbed through looking for given chapter-and-verse pointers, etc, etc, and a good hardcover binding can make a given copy last longer under such use. However, these are mundane (practical) issues that cannot be used to determine whether a given actual book object is a copy of the Bibl...
How do I run msbuild from the command line using Windows SDK 7.1?
... 2013-12-02 15:05:30.834400000 +0400
@@ -228,10 +228,10 @@
IF "%CURRENT_CPU%" =="x64" (
IF "%TARGET_CPU%" == "x64" (
+ SET "FxTools=%FrameworkDir64%\%FrameworkVersion%;%FrameworkDir32%%FrameworkVersion%;%windir%\Microsoft.NET\Framework64\v3.5;%windir%\Microsoft.NET\Framework\v3.5;"
+ SET...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统，文章主要介绍大秒系统以及这种典型读数据的热点问题的解决思路和实践经验。一些数据
大家还记得2013年的小米秒杀吗？三款小米手机各11万台开卖，走的都是大秒系统，3分钟后成为双十一第一家也是最快破亿的旗舰店...
How can I pair socks from a pile efficiently?
...re are a constant number of combinations (ownership, color, size, texture, etc.).
Use radix sort. This is only linear time since comparison is not required.
Case 3: The number of combinations is not known in advance (general case).
We have to do comparison to check whether two socks come in pair....
Could not load file or assembly 'xxx' or one of its dependencies. An attempt was made to load a prog
... project is being built for x86-only while the rest is being built for any CPU/x64. This bit me, too. Are you running an x64 (or uh... IA64)?
Check the project properties and make sure everything is being built for "Any CPU". f you're in Visual Studio, you can check for everything by going to the "...
What's the difference between deadlock and livelock?
...eadlock: situation where nobody progress, doing nothing (sleeping, waiting etc..). CPU usage will be low;
Livelock: situation where nobody progress, but CPU is spent on the lock mechanism and not on your calculation;
Starvation: situation where one procress never gets the chance to run; by pure ba...
Difference between volatile and synchronized in Java
...n memory of what has been done are visible to other threads. Because each CPU has several levels of cache between it and main memory, threads running on different CPUs or cores can see "memory" differently at any given moment in time because threads are permitted to obtain and work on private copie...
Is SHA-1 secure for password storage?
... systems do: the hashed passwords, which used to be in the world-readable /etc/password file, are now in the /etc/shadow file which is protected against read access, except by a few privileged applications. The assumption here is that if the attacker can read /etc/shadow, then he probably has enough...
转型产品经理必看 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...多人问我如何转型做产品经理、转型产品经理会遇到哪些问题，其实我一直没能回答好这个问题，因为我从运营转型产品经理的过程太顺利，并且转型的过程也没有做太多的思考和总结。直到看到这篇文章...作者完整记录了自己...
How to Calculate Execution Time of a Code Snippet in C++
...
I have another working example that uses microseconds (UNIX, POSIX, etc).
#include <sys/time.h>
typedef unsigned long long timestamp_t;
static timestamp_t
get_timestamp ()
{
struct timeval now;
gettimeofday (&now, NULL);
return now.tv_usec + ...