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Transpose list of lists
...p(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip expects an arbitrary number of arguments each of which must be iterable. E.g. zip([1, 2], [3, 4], [5, 6]).
Unpacked argument lists: Given a sequence of a...
How do I implement an Objective-C singleton that is compatible with ARC?
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What about if somebody calls [[MyClass alloc] init]? That would create a new object. How can we avoid this (other than declaring static MyClass *sharedInstance = nil outside the method).
– Ricardo Sanche...
Why use deflate instead of gzip for text files served by Apache?
What advantages do either method offer for html, css and javascript files served by a LAMP server. Are there better alternatives?
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Are negative array indexes allowed in C?
...beginners is to write 1[arr] - instead of arr[1] - and watch them guessing what that supposed to mean.
– Dummy00001
Aug 13 '10 at 14:24
4
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Is it possible to read from a InputStream with a timeout?
...utStreamWithTimeoutTest.java:74)
I can catch the TimeoutException and do whatever cleanup I want.
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Why should I use an IDE? [closed]
...e most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one?
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A type for Date only in C# - why is there no Date type?
...ery time you consume a DateTime, you are supposed to check .Kind to decide what behavior to take. The framework methods all do this, but others often forget. This is truly a SRP violation, as the type now has two different reasons to change (the value, and the kind).
The two of these lead to API u...
How to add an extra column to a NumPy array
...ould not broadcast input array from shape (985) into shape (985,1)" error. What is wrong with my code? Code: np.hstack(data, data1)
– Outlier
Dec 10 '14 at 15:28
6
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Add IIS 7 AppPool Identities as SQL Server Logons
...in name field, type IIS APPPOOL\YourAppPoolName - do not click search
Fill whatever other values you like (i.e., authentication type, default database, etc.)
Click OK
As long as the AppPool name actually exists, the login should now be created.
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How to load images dynamically (or lazily) when users scrolls them into view
...<img> tags but they are not fetched from the server straight away ). What is this technique called, how does it work and in how many browsers does it work. And is there a jQuery plugin that can achieve this behavior with minimum coding.
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