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MySQL Cannot drop index needed in a foreign key constraint
I need to ALTER my existing database to add a column. Consequently I also want to update the UNIQUE field to encompass that new column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
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What are the best practices for SQLite on Android?
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Concurrent Database Access
Same article on my blog(I like formatting more)
I wrote small article which describe how to make access to your android database thread safe.
Assuming you have your own SQLiteOpenHelper.
public class DatabaseHelper extends SQLiteOpenHel...
“Remote System Explorer Operation” causing freeze for couple of seconds
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Thanks, I am on STS 3.9.3.RELEASE, this seems to solve my problem
– pmverma
Apr 1 '18 at 12:06
Thi...
Passing an array to a function with variable number of args in Swift
...ppointing! I hit this even with something as simple as trying to delegate my own log calls down to print!
– Mark A. Donohoe
Jul 2 at 18:12
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How does one make random number between range for arc4random_uniform()?
so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
Best way to clear a PHP array's values
... the variable. To see wich problems this solutions causes, take a look at my answer here.
– Wolfsblvt
Dec 10 '14 at 14:28
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Nested fragments disappear during transition animation
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This is my favorite solution in the thread. Does not require a bitmap, does not require any extra code in the child fragment, and does not really leak information from the parent to the child fragment.
– jacobhy...
Detect when browser receives file download
...ment.cookies does not include the downloadToken, check the cookie path. In my case, I had to set the path to "/" on server side (e.g. cookie.setPath("/") in Java) even though path was blank by default. For some time I thought the issue was the special 'localhost' domain cookie handling (stackoverflo...
When to dispose CancellationTokenSource?
...ssary to call Dispose on CancellationTokenSource... I had a memory leak in my project and it turned out that CancellationTokenSource was the problem.
My project has a service, that is constantly reading database and fires off different tasks, and I was passing linked cancellation tokens to my worke...
iTunes Connect: How to choose a good SKU?
...que.
Every time I have to enter the SKU I use the App identifier (e.g. de.mycompany.myappname) because this is already unique.
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