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How can I handle time zones in my webapp?
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As for displaying them, it would make sense to take the device's timezone setting and use that as the current timezone. That said, there should be a timezone dropdown next to the "time input" box, which defaults to the device's current timezone, so the user can change it if needed.
The majority of...
What are naming conventions for MongoDB?
Is there a set of preferred naming conventions for MongoDB entitites such as databases, collections, field names?
6 Answers...
Why do we need the “event” keyword while defining events?
...ly like a property - it's a pair of add/remove methods (instead of the get/set of a property). When you declare a field-like event (i.e. one where you don't specify the add/remove bits yourself) a public event is created, and a private backing field. This lets you raise the event privately, but allo...
Need for predictable random generator
...boundary probabilities. For instance, for a probability of 20%, you could set 10% as a lower bound and 40% as an upper bound.
Using those bounds, I found that with runs of 10 hits, 14.2% of the time the true pseudorandom implementation produced results that were out of those bounds. About 11% of ...
How do HttpOnly cookies work with AJAX requests?
...cookies that are used for purposes other than authentication, these can be set without the HTTP only flag, if you want script to be able to modify or read these. You can pick and choose which cookies should be HTTP only, so for example anything non-sensitive like UI preferences (sort order, collaps...
Query grants for a table in postgres
..._sequences |SELECT |
PUBLIC |adventure_works |pg_catalog |pg_settings |SELECT, UPDATE |
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Hide/Show Column in an HTML Table
...able > colgroup > col.yourClassHere') jQuery selector, you still can set smth like the background color of the whole column, but you're no longer able to toggle column visibility. Browsers tested were MSIE 11, Safari 5, Chromium 44, Opera 12, Mozilla SeaMonkey 2.40, Mozilla Firefox 43. "Most o...
Transaction marked as rollback only: How do I find the cause
...s stored in a thread local variable.When the spring intercepts methodC and sets the flag as rollback , your transaction is already marked for roll back. Any further suppression of exception will not help because when the final commit happens , you will get the error
– lives
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Core Data: Quickest way to delete all instances of an entity
...em all:
NSFetchRequest *allCars = [[NSFetchRequest alloc] init];
[allCars setEntity:[NSEntityDescription entityForName:@"Car" inManagedObjectContext:myContext]];
[allCars setIncludesPropertyValues:NO]; //only fetch the managedObjectID
NSError *error = nil;
NSArray *cars = [myContext executeFetchRe...
Include .so library in apk in android studio [duplicate]
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@Richard Did you clean the project after setting it up as described?
– Assaf Gamliel
Apr 2 '14 at 16:40
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