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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...ing. You should not rely on unauthenticated encryption for security, especially since the code as provided is vulnerable to padding oracle attacks. See also: https://stackoverflow.com/a/30189841/2224584 https://stackoverflow.com/a/30166085/2224584 https://stackoverflow.com/a/30159120/2224584 Al...
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Performance difference for control structures 'for' and 'foreach' in C#

...t will depend on whether you're doing any real work in the loop. In almost all cases, the difference to performance won't be significant, but the difference to readability favours the foreach loop. I'd personally use LINQ to avoid the "if" too: foreach (var item in list.Where(condition)) { } EDI...
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What it the significance of the Javascript constructor property?

...the constructor property is used in a few places. However, I think the overall gist still applies. Thanks to T. J. Crowder for pointing that out in the comments, and please read his answer for a fuller picture of the current situation. Original answer The constructor property makes absolutely no pra...
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Is either GET or POST more secure than the other?

...e would be to pass it using Secure HTTP. GET or query string posts are really good for information required for either bookmarking a particular item, or for assisting in search engine optimization and indexing items. POST is good for standard forms used to submit one time data. I wouldn't use G...
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What is the meaning of single and double underscore before an object name?

...at least two leading underscores, at most one trailing underscore) is textually replaced with _classname__spam, where classname is the current class name with leading underscore(s) stripped. This mangling is done without regard to the syntactic position of the identifier, so it can be used to define...
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“Inner exception” (with traceback) in Python?

...recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python? ...
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Resolve build errors due to circular dependency amongst classes

...ember that the .cc and not the .h is the unit of compilation), you need to allocate space for object A. So, well, how much space then? Enough to store B! What's the size of B then? Enough to store A! Oops. Clearly a circular reference that you must break. You can break it by allowing the compiler ...
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sqlalchemy: how to join several tables by one query?

...rmissions.document, ).filter( User.email == 'someemail', ).all() share | improve this answer | follow | ...
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Real world example about how to use property feature in python?

...ef protein_folding_angle(self): # number crunching, remote server calls, etc # all results in an angle set in 'some_angle' # It could also reference a cache, remote or otherwise, # that holds the latest value for this angle return some_angle >>> f = ...
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Getting the SQL from a Django QuerySet [duplicate]

...t the queryset's query attribute. >>> queryset = MyModel.objects.all() >>> print(queryset.query) SELECT "myapp_mymodel"."id", ... FROM "myapp_mymodel" share | improve this answer...