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What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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How to modify a global variable within a function in bash?
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When you use a command substitution (ie the $(...) construct), you are creating a subshell. Subshells inherit variables from their parent shells, but this only works one way - a subshell cannot modify the environment of its parent shell. Your v...
How do I get the difference between two Dates in JavaScript?
...uite figure out, however, how to get the difference between the two times, and then how to create a new end Date using that difference.
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How do I generate random number for each row in a TSQL Select?
I need a different random number for each row in my table. The following seemingly obvious code uses the same random value for each row.
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Do browsers parse javascript on every page load?
Do browsers (IE and Firefox) parse linked javascript files every time the page refreshes?
6 Answers
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MySQL - Get row number on select
Can I run a select statement and get the row number if the items are sorted?
5 Answers
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Declaring and initializing variables within Java switches
... block in which the declaration appears, starting with its own initializer and including any further declarators to the right in the local variable declaration statement.
In your case, case 2 is in the same block as case 1 and appears after it, even though case 1 will never execute... so the local...
Best way to encode text data for XML in Java?
... you recommend such a library? (I find it surprising that this is not a standard part of Java edition 5...such a common task).
– Tim Cooper
Nov 16 '09 at 6:23
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Multiple line code example in Javadoc comment
...t ctrl+shift+F (Format code in Eclipse), Eclipse messes up the {@code} tag and replaces it with {@code ...
– jpdaigle
May 13 '10 at 14:54
3
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How to implement an ordered, default dict? [duplicate]
I would like to combine OrderedDict() and defaultdict() from collections in one object, which shall be an ordered, default dict .
Is this possible?
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