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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
I'd like to save an NSMutableDictionary object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
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HTML5 Video Dimensions
I'm trying to get the dimensions of a video of which I'm overlaying onto a page with JavaScript, however it is returning the dimensions of the poster image instead of the actual video as it seems it's being calculated before the video is loaded.
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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
windbg 备忘Windbg：[||system_index ]|process_index:thread_index>system_index：0，本地活动的用户态调试；1，内核转储文件thread_index：kd，内核...Windbg：
[ ||system_index ] | process_index : thread_index>
system_index：0，本地活动的用户态调试；1，内核转...
private[this] vs private
In Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in som...
difference between Product Backlog Item and Feature in Team Foundation work item types
I have a question about Microsoft Team Foundation. In Visual Studio, Team Explorer, I can create a new work item. Work item types here are dictated by your team's chosen process template; I'm not sure which process template we're using. In any case, in Team Explorer, when I want to create a new work...
How can I get a file's size in C++? [duplicate]
Let's create a complementary question to this one .
What is the most common way to get the file size in C++?
Before answering, make sure it is portable (may be executed on Unix, Mac and Windows),
reliable, easy to understand and without library dependencies (no boost or qt, but for instance glib is...
Creating an R dataframe row-by-row
I would like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list...
写出高质量代码的10个Tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...握好开发语言，比如做Android就必须对Java足够熟悉，《Effective Java》一书就是教授大家如何更好得掌握Java, 写出高质量Java代码。
熟悉开发平台, 不同的开发平台，有不同的API, 有不同的工作原理，同样是Java代码，在PC上写与Android...
How can I convert a dictionary into a list of tuples?
If I have a dictionary like:
11 Answers
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