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Check empty string in Swift?
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244
There is now the built in ability to detect empty string with .isEmpty:
if emptyString.isEmpt...
Query for documents where array size is greater than 1
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Update:
For mongodb versions 2.2+ more efficient way to do this described by @JohnnyHK in another answer.
1.Using $where
db.accommodations.find( { $where: "this.name.length > 1" } );
But...
Javascript executes more slowly than the native ope...
How do I convert a TimeSpan to a formatted string? [duplicate]
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answered May 8 '09 at 22:22
AndyAndy
27.6k55 gold badges7474 silver badges8484 bronze badges
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Change Active Menu Item on Page Scroll?
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207
It's done by binding to the scroll event of the container (usually window).
Quick example:
/...
Better way of getting time in milliseconds in javascript?
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answered Feb 2 '11 at 12:40
Joeri SebrechtsJoeri Sebrechts
10.6k22 gold badges3333 silver badges4848 bronze badges
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Remove empty strings from a list of strings
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12 Answers
12
Active
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How to understand nil vs. empty vs. blank in Ruby
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answered May 20 '09 at 16:14
Corban BrookCorban Brook
20.7k44 gold badges2525 silver badges3434 bronze badges
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How do I get the day of the week with Foundation?
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216
NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc] init] autorelease];
[dateFormatte...
How to work with complex numbers in C?
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int main() {
double complex z1 = 1.0 + 3.0 * I;
double complex z2 = 1.0 - 4.0 * I;
printf("Working with complex numbers:\n\v");
printf("Starting values: Z1 = %.2f + %.2fi\tZ2 = %.2f %+.2fi\n", creal(z1), cimag(z1), creal(z2), cimag(z2));
double complex sum = z1 + z2;
pr...
How to customize the background/border colors of a grouped table view cell?
...with the [UIColor colorWithPatternImage:] initializer). But I'll leave the 2.0 version of the answer here for anyone that needs it…
It's harder than it really should be. Here's how I did this when I had to do it:
You need to set the UITableViewCell's backgroundView property to a custom UIView ...