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How to Get True Size of MySQL Database?

...ld the table from scratch. When databases store information on disks, they allocate it in blocks; deleting a record often frees a block between used blocks, and it's very expensive to shift all of the other blocks around to use that space up so it is marked as "free". The space may be used later by ...
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iOS app error - Can't add self as subview

...^(MyUser *user) { ProfileViewController *pvc = [[ProfileViewController alloc] initWithUser:user]; [_dataViewController.navigationController pushViewController:pvc animated:YES navigationLock:lock]; }]; Basically, the rule is: before any non user related delays grab a lock from the relevant...
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receiver type *** for instance message is a forward declaration

...of other stuff wrong with your code. You're -init'ing an object without +alloc'ing it. That won't work You're declaring an object as a non-pointer type, that won't work either You're not calling [super init] in -init. You've declared the class using @class in the header, but never imported the cla...
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Text inset for UITextField?

...t a left margin, you can try this: UItextField *textField = [[UITextField alloc] initWithFrame:...]; UIView *leftView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 10, textField.frame.size.height)]; leftView.backgroundColor = textField.backgroundColor; textField.leftView = leftView; textField.le...
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iOS - Calling App Delegate method from ViewController

... AppDelegate didFinishLaunchingWithOptions... self.m_window = [[[UIWindow alloc]initWithFrame:[[UIScreen mainScreen]bounds] autorelease]; self.m_navigationController = [[[UINavigationController alloc]initWithRootViewController:homeViewController]autorelease]; [m_window addSubview:self.m_navigationC...
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How to publish a website made by Node.js to Github Pages?

... uses: peaceiris/actions-gh-pages@v3 with: github_token: ${{ secrets.GITHUB_TOKEN }} publish_dir: ./build Alternative solution The docs for next.js also provides instructions for setting up with Vercel which appears to be a hosting service for node.js apps simil...
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Detect application heap size in Android

...since 1.0, though. The Debug class has lots of great methods for tracking allocations and other performance concerns. Also, if you need to detect a low-memory situation, check out Activity.onLowMemory(). share | ...
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What is Java String interning?

...n' appears 1000 times, by interning you ensure only one 'john' is actually allocated memory. This can be useful to reduce memory requirements of your program. But be aware that the cache is maintained by JVM in permanent memory pool which is usually limited in size compared to heap so you should no...
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What happens to a declared, uninitialized variable in C? Does it have a value?

...behind by your own program when it last used those stack addresses. If you allocate a lot of auto arrays you will see them eventually start neatly with zeroes. You might wonder, why is it this way? A different SO answer deals with that question, see: https://stackoverflow.com/a/2091505/140740 ...
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How do I parse JSON with Objective-C?

... JSON string into an NSDictionary: SBJsonParser* parser = [[[SBJsonParser alloc] init] autorelease]; // assuming jsonString is your JSON string... NSDictionary* myDict = [parser objectWithString:jsonString]; // now you can grab data out of the dictionary using objectForKey or another dictionary me...