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Automatic post-registration user authentication
...istration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
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Are nested try/except blocks in python a good programming practice?
...EAFP.
Personally, I prefer to avoid nesting when it's not necessary:
def __getattribute__(self, item):
try:
return object.__getattribute__(item)
except AttributeError:
pass # fallback to dict
try:
return self.dict[item]
except KeyError:
raise Attrib...
What is the correct way to make a custom .NET Exception serializable?
More specifically, when the exception contains custom objects which may or may not themselves be serializable.
7 Answers
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C pointers : pointing to an array of fixed size
...people get confused by a rather convoluted syntax and are simply not comfortable enough with such features of C language to use them properly. For this reason, in average real life, passing an array as a pointer to its first element is a more popular approach. It just looks "simpler".
But in realit...
How to easily resize/optimize an image size with iOS?
...its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance.
18 Answers
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Encode String to UTF-8
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Technically speaking, byte[] doesn't have any encoding. Byte array PLUS encoding can give you string though.
– Peter Štibraný
Apr 20 '11 at 14:34
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Print a list in reverse order with range()?
...te:
If you want to use only range to achieve the same result, you can use all its parameters. range(start, stop, step)
For example, to generate a list [5,4,3,2,1,0], you can use the following:
range(5, -1, -1)
It may be less intuitive but as the comments mention, this is more efficient and the ...
Heap vs Binary Search Tree (BST)
...log(n) n
Delete worst log(n) log(n)
All average times on this table are the same as their worst times except for Insert.
*: everywhere in this answer, BST == Balanced BST, since unbalanced sucks asymptotically
**: using a trivial modification explained in this answer
***: log(n) for p...
What does f+++++++++ mean in rsync logs?
...to determine what changed. To decode each bit's meaning, use the following table.
Explanation of each bit position and value in rsync's output:
YXcstpoguax path/to/file
|||||||||||
||||||||||╰- x: The extended attribute information changed
|||||||||╰-- a: The ACL information changed
|||||||...
How can I use Spring Security without sessions?
...n block these assets on the first load because "the URL contained a potentially malicious String ';'".
– workerjoe
Mar 5 at 17:36
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