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[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...array的固定大小。
array的接口
constructors
构造函数
说明
arrary<T, N> c
默认构造函数，N个元素全部使用“默认初始化行为”来构造。
arrary<T, N> c(other)
拷贝构造函数，拷贝所有other的元素到c来构造。...
Conditional Variable vs Semaphore
... be to just doing something like:
//pseudocode
while(!queue.empty())
{
sleep(1);
}
The problem with this is that you're wasting processor time by having this thread repeatedly check the condition. Why not instead have a synchronization variable that can be signaled to tell the thread that the...
How to multiply duration by integer?
...rent types. You need to convert the int32 to a time.Duration, such as time.Sleep(time.Duration(rand.Int31n(1000)) * time.Millisecond).
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从异构软件开发者的角度看异构计算 - 操作系统(内核) - 清泛网 - 专注C/C++...
...如下几个重要部分：如何定义在协处理器上执行的多线程函数；如何定义在协处理器上数据；使用什么接口在CPU和协处理器之间传输数据；如何获得异构平台的资源描述。有了这些说明和定义，我们便可以书写程序了。
我们继...
Python to print out status bar and percentage
....
A simple example of how to use it:
import progressbar
from time import sleep
bar = progressbar.ProgressBar(maxval=20, \
widgets=[progressbar.Bar('=', '[', ']'), ' ', progressbar.Percentage()])
bar.start()
for i in xrange(20):
bar.update(i+1)
sleep(0.1)
bar.finish()
To install it, y...
Implement C# Generic Timeout
...hod, 4000);
}
static void FiveSecondMethod()
{
Thread.Sleep(5000);
}
The static method doing the work:
static void CallWithTimeout(Action action, int timeoutMilliseconds)
{
Thread threadToKill = null;
Action wrappedAction = () =>
{
...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升
...CE_BTF [default: none] BTF file
EXAMPLES:
bpftrace -l '*sleep*'
list probes containing "sleep"
bpftrace -e 'kprobe:do_nanosleep { printf("PID %d sleeping...\n", pid); }'
trace processes calling sleep
bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升
...CE_BTF [default: none] BTF file
EXAMPLES:
bpftrace -l '*sleep*'
list probes containing "sleep"
bpftrace -e 'kprobe:do_nanosleep { printf("PID %d sleeping...\n", pid); }'
trace processes calling sleep
bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注IT技能提升
...CE_BTF [default: none] BTF file
EXAMPLES:
bpftrace -l '*sleep*'
list probes containing "sleep"
bpftrace -e 'kprobe:do_nanosleep { printf("PID %d sleeping...\n", pid); }'
trace processes calling sleep
bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注IT技能提升
...CE_BTF [default: none] BTF file
EXAMPLES:
bpftrace -l '*sleep*'
list probes containing "sleep"
bpftrace -e 'kprobe:do_nanosleep { printf("PID %d sleeping...\n", pid); }'
trace processes calling sleep
bpftrace -e 'tracepoint:raw_syscalls:sys_enter { @[comm] = count(); }...