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Using bitwise OR 0 to floor a number
A colleague of mine stumbled upon a method to floor float numbers using a bitwise or:
6 Answers
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When to use dynamic vs. static libraries
... ( .lib , .a ) libraries. What is the difference between them and when is it appropriate to use which?
18 Answers
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Android: Scale a Drawable or background image?
On a layout I want to scale the background image (keeping its aspect ratio) to the space allocated when the page gets created. Does anyone have an idea how to do this?
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C Macro definition to determine big endian or little endian machine?
Is there a one line macro definition to determine the endianness of the machine. I am using the following code but converting it to macro would be too long.
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How to get last N records with activerecord?
With :limit in query, I will get first N records. What is the easiest way to get last N records?
14 Answers
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IF statement: how to leave cell blank if condition is false (“” does not work)
I would like to write an IF statement, where the cell is left blank if the condition is FALSE.
Note that, if the following formula is entered in C1 ( for which the condition is false ) for example:
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Purpose of Trigraph sequences in C++?
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This question (about the closely related digraphs) has the answer.
It boils down to the fact that the ISO 646 character set doesn't have all the characters of the C syntax, so there are some systems with keyboards and displays that can't deal with the characters (though I imagine that these ...
PHP multidimensional array search by value
...rn $key;
}
}
return null;
}
This will work. You should call it like this:
$id = searchForId('100', $userdb);
It is important to know that if you are using === operator compared types have to be exactly same, in this example you have to search string or just use == instead ===.
Bas...
What's the difference between Thread start() and Runnable run()
...thus implement the run() method. When you call r1.run() you are executing it in the current thread.
Second example: Two separate threads.
Thread t1 = new Thread(r1);
Thread t2 = new Thread(r2);
t1 and t2 are objects of the class Thread. When you call t1.start(), it starts a new thread and call...
When restoring a backup, how do I disconnect all active connections?
...05 doesn't restore a backup because of active connections. How can I force it?
10 Answers
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