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Why do people say there is modulo bias when using a random number generator?
...t defined in cstdlib (see this article for a general overview on rand()).
Now what happens if you want to generate a random number between say 0 and 2? For the sake of explanation, let's say RAND_MAX is 10 and I decide to generate a random number between 0 and 2 by calling rand()%3. However, rand()...
What is Bootstrap?
...om their website would make more sense simply because it's written in Bold now.
– Mihaela
Mar 20 '15 at 14:11
...
How to return multiple values? [duplicate]
...function returning multiple values. Though using Map feels better approach now.
– Mahesha999
Sep 18 '15 at 8:52
I woul...
INNER JOIN vs LEFT JOIN performance in SQL Server
... LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got significantly improved.
...
What do Clustered and Non clustered index actually mean?
...osure to DB and have only used DB as an application programmer. I want to know about Clustered and Non clustered indexes .
I googled and what I found was :
...
How to hide 'Back' button on navigation bar on iPhone?
...
Don't forget that we have the slide to back gesture now. You probably want to remove this as well. Don't forget to enable it back again if necessary.
if ([self.navigationItem respondsToSelector:@selector(hidesBackButton)]) {
self.navigationItem.hidesBackButton = YES;
}
i...
Do sealed classes really offer performance Benefits?
...are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but if you google for sealed classes and virtual methods you might find some articles on the topic.
Note that any kind of performance benefit you would obtain from this le...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...
(See the history on this answer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
$ cat b.cpp
extern int b;
int a = b;
$ cat d.cpp
int b;
L...
jQuery 1.9 .live() is not a function
...:
$('#parentElement').on('click', '.myButton', function)
If you do not know what to put as the parent, body always works:
$('body').on('click', '.myButton', function)
See also:
jQuery - how to use the “on()” method instead of “live()”?
jQuery 1.9 Migration Guide
...
Prefer composition over inheritance?
...ember of both classes.
Update: Just came back to my answer and it seems now that it is incomplete without a specific mention of Barbara Liskov's Liskov Substitution Principle as a test for 'Should I be inheriting from this type?'
...