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What does “default” mean after a class' function declaration?
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edited Jun 26 '14 at 20:05
answered Jun 28 '11 at 7:08
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Is there a Python caching library?
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edited Dec 14 '17 at 10:02
Iberê
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answered Se...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
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10
It should possibly be clarified that . and -> may also be used to access class statics via an object, even though they're not strictly "m...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
...C++ environment is the free and largely excellent Microsoft Visual Studio 2005 Express edition. From time to time I have sent release .exe files to other people with pleasing results. However recently I made the disturbing discovery that the pleasing results were based on more luck that I would like...
How to remove duplicate values from a multi-dimensional array in PHP
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answered Jun 3 '09 at 18:12
daveilersdaveilers
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Benefits of using the conditional ?: (ternary) operator
...ithout sacrificing readability.
Good example:
int result = Check() ? 1 : 0;
Bad example:
int result = FirstCheck() ? 1 : SecondCheck() ? 1 : ThirdCheck() ? 1 : 0;
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How can I hash a password in Java?
... * @param cost the exponential computational cost of hashing a password, 0 to 30
*/
public PasswordAuthentication(int cost)
{
iterations(cost); /* Validate cost */
this.cost = cost;
this.random = new SecureRandom();
}
private static int iterations(int cost)
{
if ((cos...
How to change past commit to include a missed file?
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Rafał RawickiRafał Rawicki
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How can you detect the version of a browser?
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508
You can see what the browser says, and use that information for logging or testing multiple bro...
What makes a SQL statement sargable?
...a function in the where clause:
SELECT ... FROM ...
WHERE Year(myDate) = 2008
The SQL optimizer can't use an index on myDate, even if one exists. It will literally have to evaluate this function for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-0...