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新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...on是单点。于是我们开发了一个独立的Elasticsearch Index管理系统，负责以上任务的调度及执行。这个管理系统背后使用的技术是Celery，一个用Python开发的任务队列及执行系统，提供了类似crontab的定时任务配置语法，并且实现了分...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：Line和WhatsApp使用GCM策略的最大优点就是省电，以及减轻系统负荷（减少后台应用数目）。
c）Line：Line的轮询策略，优点是当Line处于活跃状态时，及时收消息。当Line处于不活跃状态时，省电。
2.6Line、WhatsApp微信Push策略的不...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...;
using namespace std;
typedef unsigned long long uint64;
double test_dp_mac_SSE(double x,double y,uint64 iterations){
register __m128d r0,r1,r2,r3,r4,r5,r6,r7,r8,r9,rA,rB,rC,rD,rE,rF;
// Generate starting data.
r0 = _mm_set1_pd(x);
r1 = _mm_set1_pd(y);
r8 = _mm_set1_pd(-0.0...
Total memory used by Python process?
...
For Unix based systems (Linux, Mac OS X, Solaris), you can use the getrusage() function from the standard library module resource. The resulting object has the attribute ru_maxrss, which gives the peak memory usage for the calling process:
>>> re...
Which version of MVC am I using?
... I hate when people say "just Google for it".
– mac10688
Oct 22 '14 at 18:29
@mac10688 nuget.org/packages/MvcDiag...
Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...上面的信息中可以看到程序被UPX压缩了，接下来请确信你系统中已有UPX，如果没有请到上面给出的程序链接中下载。
运行命令“ upx -d cm2 ”把程序解压缩，显示如下：
代码:
[ncc2008@localhost crack]$ upx -d cm2
...
Create a GUID in Java
...y of collisions even closer to zero because of using "space and time", [1] MAC address or name, and [2] current date-time, as constraints.
– Basil Bourque
Jul 16 '15 at 21:28
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Tar a directory, but don't store full absolute paths in the archive
...platforms (OSes). -C option is said to add directory to the archive but on Mac and Ubuntu it adds absolute path prefix inside generated tar.gz file.
tar target_path/file.tar.gz -C source_path/source_dir
Therefore the consistent and robust solution is to cd in to source_path (parent directory of s...
How to detect Ctrl+V, Ctrl+C using JavaScript?
...h) thanks to Tim Down's suggestion (see comments)
EDIT: added support for Macs (cmd key instead of ctrl)
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Text overwrite in visual studio 2010
... not sure how I got into this mode, but not insert key on my macbook, and this solved it.
– moke
Jul 21 '15 at 16:48
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