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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...ew ObjC literals were discussed in multiple WWDC 2012 sessions. I intentionally didn't remove the the filenames and the time of each slide so you can find them for yourself if you feel like. They are essentially the same thing as stated in this post, but there are also a few new things that I'll me...
Java 7 language features with Android
...u are using Android Studio, the Java 7 language should be enabled automatically without any patches. Try-with-resource requires API Level 19+, and NIO 2.0 stuff are missing.
If you can't use Java 7 features, see @Nuno's answer on how to edit your build.gradle.
The following is for historical inte...
Uninstall Node.JS using Linux command line?
How do you uninstall node.js using the cmd line in linux?
14 Answers
14
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Django in / not in query
...e(); Tbl2.objects.filter(id__in=IDs') This did not work because IDs is actually a QuerySet object. When I deleted the rows it originated from, it no longer worked with other queries. The solution is Tbl2.objects.filter(id__in=list(IDs)) -- turn it into a list
– Dakusan
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CURL alternative in Python
I have a cURL call that I use in PHP:
7 Answers
7
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MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...{AFX_DATA_MAP(CPrintDlg)
""// NOTE: the ClassWizard will add DDX and DDV calls here
"DDX_Control(pDX, IDC_MyButton, m_button);
"//}}AFX_DATA_MAP
然后可以在该函数的最后进行初始化：
"m_button.EnableWindow(FALSE);
到这里已经实现了改变属性。如果要动态改变其属...
How to check whether a script is running under Node.js?
...ly thing commonJS specifies is that A: The modules will be included via a call to the function require and B: The modules exports things via properties on the exports object. Now how that is implement is left to the underlying system. Node.js wraps the module's content in an anonymous function:
fun...
How to use ng-repeat without an html element
I need to use ng-repeat (in AngularJS) to list all of the elements in an array.
8 Answers
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python setup.py uninstall
I have installed a python package with python setup.py install .
16 Answers
16
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Difference between dispatch_async and dispatch_sync on serial queue?
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I do mean serial execution. In point of view that all tasks are executed serial regards to other tasks in the same queue. Of cause it still can be concurrent regards to other queues. It is the whole point of GCD that tasks can be dispatched and executed concurrently.
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