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How to get a microtime in Node.js?
...odule, the reported milliseconds are relative to when the node process was started (Date.now() - (process.uptime() * 1000)). You need to add that to the result if you want a timestamp similar to Date.now(). Also note that you should bever recompute Date.now() - (process.uptime() * 1000). Both Date.n...
Is there a job scheduler library for node.js? [closed]
...hould I just set callback to be called every second and check the time and start jobs scheduled for the time or what?
11 An...
How to restart Activity in Android
How do I restart an Android Activity ? I tried the following, but the Activity simply quits.
21 Answers
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Ruby / Rails - Change the timezone of a Time, without changing the value
I have a record foo in the database which has :start_time and :timezone attributes.
11 Answers
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C# 通过代码安装、卸载、启动、停止服务 - .NET(C#) - 清泛IT论坛，有思想、有深度
... // --Start Service
// service.Start();
}
...
What's the difference between deadlock and livelock?
... // <- wait for a second
flag[0] = true; // <- and restart useless work again.
}
/*critical section*/; // <- do what we need (this will never happen)
flag[0] = false;
/* PROCESS 1 */
flag[1] = true;
while (flag[0]) {
flag[1] = false;
/*delay */;
flag[1] = tr...
Draw in Canvas by finger, Android
...
Start By going through the Fingerpaint demo in the sdk sample.
Another Sample:
public class MainActivity extends Activity {
DrawingView dv ;
private Paint mPaint;
@Override
protected void onCreate(Bun...
How to use QueryPerformanceCounter?
...
#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryPerformanceCount...
Current location permission dialog disappears too quickly
...
Same symptom, different cause: do not to call startUpdatingLocation more than once in a row.
I had accidentally structured things such that the code was unintentionally calling startUpdatingLocation twice in a row, which is apparently bad. It might also have had somethi...
When should I use Inline vs. External Javascript?
...ng to send this portion down the wire, you can expect that the client will start receiving this somewhere around 5ms + latency after connecting to your server. Assuming the server is reasonably close this latency could be between 20ms to 60ms. Browsers will start processing this section as soon as t...