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Which is the fastest algorithm to find prime numbers?
... a prime hash table size within certain ranges. If N
is something on the order of 2^30, do you really want to do 30000
division tests to search for any factors? Obviously not.
The common practical solution to this problem is a simple test called
an Euler probable prime test, and a more po...
How do I escape a percentage sign in T-SQL?
...percent symbol in other constructs such as a user function, concatenation, etc.
– Bron Davies
Nov 30 '12 at 18:49
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Python Regex - How to Get Positions and Values of Matches
...)
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(0, 2)
(22, 24)
(29, 31)
you should be able to do something on the order of
for match in re.finditer(r'[a-z]', 'a1b2c3d4'):
print match.span()
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Invoke(Delegate)
...rker thread so that you can access the UI (to change the value in a label, etc) - since you are not allowed to do that from any other thread than the UI thread.
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What is copy-on-write?
...ou want the rest of the implementation to work, such as file\data locking, etc.
– Puddler
Jul 10 '16 at 23:05
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How does a PreparedStatement avoid or prevent SQL injection?
...tion Phase:
In this phase, keywords used in query like select, from, where etc are converted into format
understandable by machine.
This is the phase where query is interpreted and corresponding action to be taken is decided.
It also has many other tasks to do, but let's not go in detail.
Query Opt...
How to get the browser to navigate to URL in JavaScript [duplicate]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Why was the switch statement designed to need a break?
...getting the break where it is needed. 2) If the case statements have their order changed, the fallthrough can result in the wrong case being run. Thus, I find C#'s handling much better (explicit goto case for fallthrough, except for empty case labels).
– Daniel Rose
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PHP: How to send HTTP response code?
...iate message, and the status code with your code as appropriate (404, 501, etc)
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Search for all occurrences of a string in a mysql database [duplicate]
...verflow.com%'
select * from table2 where col3 like '%stackoverflow.com%'
etc.
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