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How does the C# compiler detect COM types?

...peech API, where you're able to "instantiate" the interface SpVoice (but really, you're instantiating SPVoiceClass). [CoClass(typeof(SpVoiceClass))] public interface SpVoice : ISpeechVoice, _ISpeechVoiceEvents_Event { } sh...
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Why can I initialize a List like an array in C#?

... has a method named Add(...) What happens is the default constructor is called, and then Add(...) is called for each member of the initializer. Thus, these two blocks are roughly identical: List<int> a = new List<int> { 1, 2, 3 }; And List<int> temp = new List<int>(); ...
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

... with x[numpy.ix_([0,2],[1,3])]. This can save you from having to enter in all of those extra brackets. share | improve this answer | follow | ...
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How To Check If A Key in **kwargs Exists?

...efix variable. If it is given, then its value is being used. This is generally a compact and readable recipe for writing wrappers for any kind of function: Always just pass-through arguments you don't understand, and don't even know if they exist. If you always pass through *args and **kwargs you m...
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

... It seems to me that if you redirect to the same page, then $_POST is cleared. As I understand it, that was the desired effect. That was MY desired effect, anyway. I think the answer would be better if it made that explicit, though. – donutguy640 ...
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Printing a variable memory address in swift

...er was quite old. Many of the methods it describes no longer work. Specifically .core cannot be accessed anymore. However @drew's answer is correct and simple: This is now part of the standard library: unsafeAddressOf. So the answer to your questions is: println(" str value \(str) has addre...
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iPhone: How to get current milliseconds?

... it like this: NSTimeInterval myInterval = NSDate.timeIntervalSince1970;// all those brackets are really old fashioned if you ask me. – Pizzaiola Gorgonzola Oct 2 '13 at 13:27 ...
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Get a CSS value with JavaScript

... Somewhat off topic: some (all?) shorthand css properties are not accessible in JavaScript. E.g. you can get padding-left but not padding. JSFiddle – David Winiecki May 9 '14 at 21:10 ...
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Use cases for NoSQL [closed]

NoSQL has been getting a lot of attention in our industry recently. I'm really interested in what peoples thoughts are on the best use-cases for its use over relational database storage. What should trigger a developer into thinking that particular datasets are more suited to a NoSQL solution. I'm p...
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How to drop column with constraint?

...'alter table tbloffers drop constraint ['+dc.NAME+N']' from sys.default_constraints dc JOIN sys.columns c ON c.default_object_id = dc.object_id WHERE dc.parent_object_id = OBJECT_ID('tbloffers') AND c.name = N'checkin' IF @@ROWCOUNT = 0 BREAK EXEC (@sql) END ...