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Understanding Python's “is” operator
...ultiple names point to the same object. is tells you if two names point to one and the same object. == tells you if two names refer to objects that have the same value.
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How to merge remote changes at GitHub?
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Thank you, this one works for me. The other solutions would completely erase the effect of my git reset --hard
– Oli
Apr 3 '12 at 8:48
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scp with port number specified
...ess times, and modes from the original file.
Update and aside to address one of the (heavily upvoted) comments:
With regard to Abdull's comment about scp option order, what he suggests:
scp -P80 -r some_directory -P 80 ...
..., intersperses options and parameters. getopt(1) clearly defines th...
Will the Garbage Collector call IDisposable.Dispose for me?
...eeds to explicitly call Dispose.
This is logical, and is what I've always done in the rare situations where a finalizer is warranted.
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How can I hash a password in Java?
...ate a password manager with a specified cost
*
* @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();
}
priva...
What is a 'multi-part identifier' and why can't it be bound?
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Actually sometimes when you are updating one table from another table's data, I think one of the common issues that cause this error, is when you use your table abbreviations incorrectly or when they are not needed. The correct statement is below:
Update Table1
Se...
Get a random item from a JavaScript array [duplicate]
...andom() will never be 1, nor should it. The largest index should always be one less than the length, or else you'll get an undefined error.
– Kelly
Sep 16 '13 at 16:06
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Python Empty Generator Function
In python, one can easily define an iterator function, by putting the yield keyword in the function's body, such as:
9 Answ...
How to use ScrollView in Android?
...ut simply needs to be arranged so they all have room on the screen. As for one ScrollView inside another, that's difficult. Instead, the Android compatibility library has NestedScrollView. There are lots of tutorials on the web for how to use NestedScrollView for that application.
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How to scroll to the bottom of a UITableView on the iPhone before the view appears
...nswered Mar 14 '13 at 9:12
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