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Explicitly set Id with Doctrine when using “AUTO” strategy

... New solution works fine only when ALL entities have id before insert. When one entity has ID and another one does not - new solution is failing. I use this function for import all my data: function createEntity(\Doctrine\ORM\EntityManager $em, $entity, $id ...
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Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?

...tBindingSource.Position = accountBindingSource.IndexOf(_dataService.Db.Accounts.First(ac => ac.AccountName == name)); accountBindingSource_CurrentChanged(sender, e); } buggy code: private void onTopAccBtnClick(object sender, EventArgs e) { accountBin...
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How do you run a single test/spec file in RSpec?

...tests — for the one file I'm editing, for example. rake spec executes all the specs. My project is not a Rails project, so rake spec:doc doesn't work. ...
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MySQL offset infinite rows

I would like to construct a query that displays all the results in a table, but is offset by 5 from the start of the table. As far as I can tell, MySQL's LIMIT requires a limit as well as an offset. Is there any way to do this? ...
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Real-world examples of recursion [closed]

...l, and fixes itself quickly( Type A) , Except for one in 5 people ( We'll call these type B ) who become permanently infected with it and shows no symptoms and merely acts a spreader. This creates quite annoying waves of havoc when ever type B infects a multitude of type A. Your task is to track ...
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Accessing UI (Main) Thread safely in WPF

... example: class MyViewModel { private readonly SynchronizationContext _syncContext; public MyViewModel() { // we assume this ctor is called from the UI thread! _syncContext = SynchronizationContext.Current; } // ... private void watcher_Changed(object send...
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Center image in div horizontally [duplicate]

.../* for the img inside your div */ display: block; margin: 0 auto; That's all. Note, that you'll also have to set an initial min-width for your outer div. share | improve this answer | ...
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'typeid' versus 'typeof' in C++

...perator which returns type identification information at run time. It basically returns a type_info object, which is equality-comparable with other type_info objects. Note, that the only defined property of the returned type_info object has is its being equality- and non-equality-comparable, i.e. t...
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Loaded nib but the 'view' outlet was not set

...s are right, but as I'm a newcomer it took me a little while to figure out all the steps to do that. Here's what worked for me: Open the XIB file causing problems Click on file's owner icon on the left bar (top one, looks like a yellow outlined box) If you don't see the right-hand sidebar, click o...
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How to sort my paws?

... Alright! I've finally managed to get something working consistently! This problem pulled me in for several days... Fun stuff! Sorry for the length of this answer, but I need to elaborate a bit on some things... (Though I may set a record for ...