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Is it safe to ignore the possibility of SHA collisions in practice?
...occurring in the next second to about 10-15. That's 45 orders of magnitude more probable than the SHA-256 collision. Briefly stated, if you find SHA-256 collisions scary then your priorities are wrong.
In a security setup, where an attacker gets to choose the messages which will be hashed, then the...
What is the difference between statically typed and dynamically typed languages?
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What's the difference between MyISAM and InnoDB? [duplicate]
...you need the database to support transactions (i.e. changes made by two or more DML operations handled as single unit of work, with all of the changes either applied, or all the changes reverted) then you would choose the InnoDB engine, since these features are absent from the MyISAM engine.
Those a...
Why does string::compare return an int?
...or example, rather than in memory.)
For class types, the issues are a bit more complex, due to the
fact that you can call member functions on an rvalue. This
means that rvalues must in fact have addresses, for the this
pointer, and can be cv-qualified, since the cv-qualification
plays a role in ov...
How to handle many-to-many relationships in a RESTful API?
...some point in the future, you will want to annotate that relationship with more data: how long they've been on that team, who referred them to that team, who their coach is/was while on that team, etc etc.
REST depends on caching for efficiency, which requires some consideration for cache atomicity ...
Function to convert column number to letter?
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That is quite correct, but I thought it more readable to use several lines.
– brettdj
Feb 18 '15 at 14:30
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Iterate a list as pair (current, next) in Python
...s way.
And since tee() can take an n parameter, this can also be used for more than two parallel iterators:
def threes(iterator):
"s -> (s0,s1,s2), (s1,s2,s3), (s2, s3,4), ..."
a, b, c = itertools.tee(iterator, 3)
next(b, None)
next(c, None)
next(c, None)
return zip(a, b...
jQuery Ajax File Upload
...owsers versions.
IE 10+
Firefox 4.0+
Chrome 7+
Safari 5+
Opera 12+
For more detail, see MDN link.
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Search and replace in bash using regular expressions
...AR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g'
This may allow you to do more creative matches... For example, in the snip above, the numeric replacement would not be used unless there was a match on the first expression (due to lazy and evaluation). And of course, you have the full language sup...
What is the fastest substring search algorithm?
...so I don't sound like an idiot I'm going to state the problem/requirements more explicitly:
18 Answers
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