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The selected run destination is not valid for this action
...everal times. Basically, just set the Base SDK in Build Settings to Latest OS X and it should work properly.
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mmap() vs. reading blocks
...g to find the final word on mmap / read performance on Linux and I came across a nice post (link) on the Linux kernel mailing list. It's from 2000, so there have been many improvements to IO and virtual memory in the kernel since then, but it nicely explains the reason why mmap or read might be fas...
Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...oid.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.webkit.JavascriptInterface;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import a...
How could I use requests in asyncio?
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Context switches much slower in new linux kernels
We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to belie...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...e portable. Mono isn't implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).
I'd also say Java has more tool availability across all those platforms, although there are ...
Web Service vs WCF Service
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Command to get time in milliseconds
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date +%s%N returns the number of seconds + current nanoseconds.
Therefore, echo $(($(date +%s%N)/1000000)) is what you need.
Example:
$ echo $(($(date +%s%N)/1000000))
1535546718115
date +%s returns the number of seconds since the epoch, if that's useful.
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苹果全球开发者大会：无硬件 iOS 9等三大系统更新 - 资讯 - 清泛网 - 专注C...
苹果全球开发者大会：无硬件 iOS 9等三大系统更新新浪手机讯 6月9日凌晨消息，2015年苹果全球开发者大会(WWDC 2015)在美国旧金山正式开幕，本届主题为the epicenter of change(变革的 新浪手机讯 6月9日凌晨消息，2015年苹果全球开发...
Difference between CR LF, LF and CR line break types?
I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.
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