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What's the need of array with zero elements?

... This is a way to have variable sizes of data, without having to call malloc (kmalloc in this case) twice. You would use it like this: struct bts_action *var = kmalloc(sizeof(*var) + extra, GFP_KERNEL); This used to be not standard and was considered a hack (as Aniket said), but it was s...
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How do you determine the size of a file in C?

...out since the question didn't specify an OS. – Drew Hall Aug 2 '10 at 21:54 1 You could probably ...
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Singletons vs. Application Context in Android?

Recalling this post enumerating several problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
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Editing screenshots in iTunes Connect after iOS app was approved

... I really don't understand this. The screenshots are quite important and sometimes you upload something that might have an error / issue. Why can we not just update our app's metadata without having to upload an entire new binar...
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Stopping an Android app from console

...pm clear com.my.app.package, which will stop the app process and clear out all the stored data for that app. If you're on Linux: adb shell ps | grep com.myapp | awk '{print $2}' | xargs adb shell kill That will only work for devices/emulators where you have root immediately upon running a shell....
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How do I detect that an iOS app is running on a jailbroken phone?

... jailbreak. In the simple case, you should be able to see if Cydia is installed and go by that - something like NSString *filePath = @"/Applications/Cydia.app"; if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) { // do something useful } For hacked kernels, it's a little (lot) m...
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How JavaScript closures are garbage collected

...e expected behavior. From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable". In your examples where it fails some is still reachable in the closure. I tried two ways to make it...
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From inside of a Docker container, how do I connect to the localhost of the machine?

...as described in qoomon's answer. 2020-01: some progress has been made. If all goes well, this should land in Docker 20.04 TLDR Use --network="host" in your docker run command, then 127.0.0.1 in your docker container will point to your docker host. Note: This mode only works on Docker for Linux...
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Using build types in Gradle to run same app that uses ContentProvider on one device

...fied me, however Liberty was close. So this is how am I doing it. First of all at the moment I am working with: Android Studio Beta 0.8.2 Gradle plugin 0.12.+ Gradle 1.12 My goal is to run Debug version along with Release version on the same device using the same ContentProvider. In build.gradle ...
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How to hide UINavigationBar 1px bottom line

I have an app that sometimes needs its navigation bar to blend in with the content. 45 Answers ...