大约有 3,000 项符合查询结果(耗时:0.0239秒) [XML]
Execution time of C program
...
You functionally want this:
#include <sys/time.h>
struct timeval tv1, tv2;
gettimeofday(&tv1, NULL);
/* stuff to do! */
gettimeofday(&tv2, NULL);
printf ("Total time = %f seconds\n",
(double) (tv2.tv_usec - tv1.tv_usec) / 1000000 +
(double) (tv2.tv_sec - tv1.tv_s...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...为王的时代,日志管理是一个绕不开的话题,相应的开源软件有不少,比如热门的三件套:Logstash、ElasticSearch、Kibana,可惜我对这...在数据为王的时代,日志管理是一个绕不开的话题,相应的开源软件有不少,比如热门的三件套...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...为王的时代,日志管理是一个绕不开的话题,相应的开源软件有不少,比如热门的三件套:Logstash、ElasticSearch、Kibana,可惜我对这...在数据为王的时代,日志管理是一个绕不开的话题,相应的开源软件有不少,比如热门的三件套...
How to Calculate Execution Time of a Code Snippet in C++
...cond (10^-3) intervals */
return ret;
#else
/* Linux */
struct timeval tv;
gettimeofday(&tv, NULL);
uint64 ret = tv.tv_usec;
/* Convert from micro seconds (10^-6) to milliseconds (10^-3) */
ret /= 1000;
/* Adds the seconds (10^0) after converting them to milliseconds (10^-3) */
ret ...
Is there an alternative sleep function in C to milliseconds?
...on. It is defined as follows:
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* nanoseconds */
};
An example msleep() function implemented using nanosleep(), continuing the sleep if it is interrupted by a signal:
#include <tim...
Broadcast receiver for checking internet connection in android app
...on;
import android.view.animation.AnimationUtils;
import android.widget.TextView;
import com.keshav.networkchangereceiverexample.receivers.NetworkChangeReceiver;
public class MainActivity extends AppCompatActivity {
private BroadcastReceiver mNetworkReceiver;
static TextView tv_check_conn...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Linux 以及其他一些 Unix 变体操作系统上。Zebra 是那些系统最新的发行版本中的路由软件。最新版本的 Zebra 以及文档可以从 GNU Zebra 网站上下载:http://www.zebra.org/ Zebra ;的设计独特,采用模块的方法来管理协议。可以根据网络需要...
Converting a view to Bitmap without displaying it in Android?
...Try this,
/**
* Draw the view into a bitmap.
*/
public static Bitmap getViewBitmap(View v) {
v.clearFocus();
v.setPressed(false);
boolean willNotCache = v.willNotCacheDrawing();
v.setWillNotCacheDrawing(false);
// Reset the drawing cache background color to fully transparen...
iPhone: How to get current milliseconds?
...t;
struct timeval time;
gettimeofday(&time, NULL);
long millis = (time.tv_sec * 1000) + (time.tv_usec / 1000);
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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...“冷节点”(如图4所示)。
顾名思义,“热节点”存放最新的、被访问频率较高的数据。对于这部分数据,我们希望能给用户提供尽可能快的查询速度,所以在硬盘方面,我们选择了每分钟15000转的SAS硬盘,按照一个节点两台...