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NSDictionary - Need to check whether dictionary contains key-value pair or not

...uldn't we mistakenly think that the key isn't present in the dictionary at all? – jbx72487 Feb 1 '13 at 18:51 13 ...
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自定义下载器扩展:个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...

... notification message for download complete notification. Get a list of all download IDs Get the ASD path of your app Get the current download ID. Cancel all ongoing downloads. This block converts the bytes into KB and MB automatically, You can use own calculation for converting bytes...
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getExtractedText on inactive InputConnection warning on android

...her way to clear text: Editable.clear(). With this I don't get warnings at all: if (editText.length() > 0) { editText.getText().clear(); } Note that should you wish to clear all input state and not just the text (autotext, autocap, multitap, undo), you can use TextKeyListener.clear(Editabl...
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Recursively add the entire folder to a repository

...gitignore file, if the subdirectory is ignored. Then try again git add --all git commit -am "<commit message>" git push share | improve this answer | follow ...
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?

I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec . ...
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Can an AngularJS controller inherit from another controller in the same module?

... the child controller injects the scope of the parent controller my $scope.AllMembers array get's populated twice as the parent controller causes it to run, then the child controller causes it to run again. Is there any way to prevent that? – Ryan Mann Jul 15 ...
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NSUserDefaults - How to tell if a key exists

I'm working on a small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple. ...
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How did Google manage to do this? Slide ActionBar in Android application

I really want to implement this (the side navigation) in an app of my own, does anyone know how Google managed to do this? ...
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Get individual query parameters from Uri [duplicate]

...exact collectiontype you are looking for, but nevertheless useful. Edit: Apparently, if you supply the complete url to ParseQueryString it will add 'http://example.com/file?a' as the first key of the collection. Since that is probably not what you want, I added the substring to get only the releva...
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Context switches much slower in new linux kernels

...and dances to its own tune. In other words, even if you completely disable all C states in your PC's (or server's) BIOS, this driver will still force them on during periods of brief inactivity, which are almost always happening unless an all core consuming synthetic benchmark (e.g., stress) is runni...