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I get exception when using Thread.sleep(x) or wait()
...ead interruptions. But this will do what you want:
try {
Thread.sleep(1000); //1000 milliseconds is one second.
} catch(InterruptedException ex) {
Thread.currentThread().interrupt();
}
share
...
How to center canvas in html5
...
Just center the div in HTML:
#test {
width: 100px;
height:100px;
margin: 0px auto;
border: 1px solid red;
}
<div id="test">
<canvas width="100" height="100"></canvas>
</div>
Just change the height and width to whatever a...
Simulate delayed and dropped packets on Linux
...going out of the local Ethernet.
# tc qdisc add dev eth0 root netem delay 100ms
Now a simple ping test to host on the local network should show an increase of 100 milliseconds. The delay is limited by the clock resolution of the kernel (Hz). On most 2.4 systems, the system clock runs at 100 ...
How to vertically align into the center of the content of a div with defined width/height?
...your parent div, you can use of the following options:
.area{
height: 100px;
width: 100px;
background: red;
margin:10px;
text-align: center;
display:table-cell;
vertical-align:middle;
}
Live DEMO
Version 2: Parent div with display block and content display table-...
Full-screen iframe with a height of 100%
Is iframe height=100% supported in all browsers?
17 Answers
17
...
Python dictionary: Get list of values for list of keys
..., 1:11, 2:12, 3:13}
In[3]: %timeit [m[_] for _ in l] # list comprehension
1000000 loops, best of 3: 762 ns per loop
In[4]: %timeit map(lambda _: m[_], l) # using 'map'
1000000 loops, best of 3: 1.66 µs per loop
In[5]: %timeit list(m[_] for _ in l) # a generator expression passed to a list constr...
Cartesian product of x and y array points into single array of 2D points
...
+100
A canonical cartesian_product (almost)
There are many approaches to this problem with different properties. Some are faster than ot...
AfxGetMainWnd函数解惑 - C/C++ - 清泛网 - 专注C/C++及内核技术
...->GetDC();
ASSERT(NULL!=pDC);
pDC->TextOut(100,100,_T("来自线程的字符串"));
pView->ReleaseDC(pDC);
}
}
return 0;
}
void CMainFrame::OnTest1()
{
// TODO: 在此添加命令处理程序代码
...
GetClientRect、GetWindowRect区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...300），后者是相对整个屏幕的坐标（假设窗口左上角位置100,100，则窗口Rect：100, 100, 400, 300）。前者是相对窗口本身的坐标（如0, 0, 400, 300），后者是相对整个屏幕的坐标（假设窗口左上角位置100,100，则窗口Rect：100, 100, 400, 300）...
MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` VARCHAR(100) NOT NULL,
`brand` VARCHAR(100) NOT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE IF NOT EXISTS `mobile_params` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`mobile_id` int(10) unsigned NOT NULL,
...