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Objective-C Static Class Level variables
... will be wondering, why should I overwrite the NSObject initialize method. Apple documentation about this method has the answer: "The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within ...
How to use ng-repeat without an html element
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While this might technically work, it's very disappointing that the answer for this common use case is that you have to inject arbitrary (otherwise unnecessary) markup. I have the same problem (repeated groups of rows -- one header TR with one or more child TRs, repeated a...
Is it true that one should not use NSLog() on production code?
...keep in mind #define DEBUG_MODE can be re-used in different places in your application. For example, in my application I use it to disable license key checks and only allow the application to run if it's before a certain date. This lets me distribute a time limited, fully functional beta copy with m...
Virtual Memory Usage from Java under Linux, too much memory used
I have a problem with a Java application running under Linux.
8 Answers
8
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How do I get an apk file from an Android device?
...ser 0 com.android.cellbroadcastreceiver <--- kills presidential alert app!
(to view users run adb shell pm list users)
This is a way to remove/uninstall (not from the phone as it comes back with factory reset) almost ANY app WITHOUT root INCLUDING system apps (hint the annoying update app tha...
How do I convert a Ruby class name to a underscore-delimited symbol?
...hich is likely the case. Advantages:
easier to understand your code
your app will still work even in the (unlikely) event that Rails decides to change a naming convention.
BTW, human has the advantage of being I18N aware.
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Can't use Swift classes inside Objective-C
I try to integrate Swift code in my app.My app is written in Objective-C and I added a Swift class. I've done everything described here . But my problem is that Xcode haven't created the -Swift.h file, only the bridging headers. So I created it, but it's actually empty.
I can use all my O...
How should the ViewModel close the form?
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From my perspective the question is pretty good as the same approach would be used not only for the "Login" window, but for any kind of window. I've reviewed a lot of suggestions and none are OK for me. Please review my suggestion that was taken from the MVVM design pattern article.
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Custom HTTP headers : naming conventions
...standard, removing the "X-" prefix breaks backwards compatibility, forcing application protocols to support both names (E.g, x-gzip & gzip are now equivalent). So, the official recommendation is to just name them sensibly without the "X-" prefix.
Update 2: On June 2012, the deprecation of rec...
The operation is list empty? cannot accept the arguments: , ["&qu...
...本身就是空的情况，空对象无法调用它的任何方法，导致App崩溃。
多加一个判断（文本.是否为空），可以避免这类问题：
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{:8_389:}The arguments,[“xxx“], [false], [0]