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Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版 - 文档下载 - 清泛网 - ...
Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版Objective-C Mac iOS《Objective-C 2.0 Mac和iOS开发实践指南》专门为那些想要学习Objecti Ve-C以便为Mac OS x或iOS编写程序的程序员量身打造。《Objectiv...截图：
《Objective-C 2.0 Mac和iOS开发实践指南...
Where does the iPhone Simulator store its data?
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For Xcode6+/iOS8+
~/Library/Developer/CoreSimulator/Devices/[DeviceID]/data/Containers/Data/Application/[AppID]/
Accepted answer is correct for SDK 3.2 - SDK 4 replaces the /User folder in that path with a number for each of the legacy ...
Calling startActivity() from outside of an Activity?
... now is launching an activity with FLAG_ACTIVITY_NEW_TASK. As in the code posted by Cristian below.
– JehandadK
Mar 21 '12 at 5:18
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What does multicore assembly language look like?
...upport for each thread to set up its own tables and messaging queues. The OS uses those to do the actual multi-threaded scheduling.
As far as the actual assembly is concerned, as Nicholas wrote, there's no difference between the assemblies for a single threaded or multi threaded application. Each ...
How the single threaded non blocking IO model works in Node.js
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Node.js is built upon libuv, a cross-platform library that abstracts apis/syscalls for asynchronous (non-blocking) input/output provided by the supported OSes (Unix, OS X and Windows at least).
Asynchronous IO
In this programming model open/read/write oper...
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...
Send file using POST from a Python script
Is there a way to send a file using POST from a Python script?
8 Answers
8
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What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...ce of code a little bit later on the same thread, I use this:
new android.os.Handler().postDelayed(
new Runnable() {
public void run() {
Log.i("tag", "This'll run 300 milliseconds later");
}
},
300);
.. this is pretty much equivalent to
setTimeout(
func...
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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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...