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What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 ...
Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ?
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Split string using a newline delimiter with Python
...imit the string which has new line in it. How would I achieve it? Please refer below code.
5 Answers
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Gson: How to exclude specific fields from Serialization without annotations
I'm trying to learn Gson and I'm struggling with field exclusion. Here are my classes
15 Answers
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How to create border in UIButton?
... set the border properties on the CALayer by accessing the layer property of the button.
First, add Quartz
#import <QuartzCore/QuartzCore.h>
Set properties:
myButton.layer.borderWidth = 2.0f;
myButton.layer.borderColor = [UIColor greenColor].CGColor;
See:
https://developer.apple.com/do...
What are Scala context and view bounds?
In a simple way, what are context and view bounds and what is the difference between them?
1 Answer
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How to convert an Int to a String of a given length with leading zeros to align?
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The Java library has pretty good (as in excellent) number formatting support which is accessible from StringOps enriched String class:
scala> "%07d".format(123)
res5: String = 0000123
scala> "%07d".formatLocal(java.util.Locale.US, 123)
res6: String = 0000123
Edit post Scal...
Least common multiple for 3 or more numbers
How do you calculate the least common multiple of multiple numbers?
31 Answers
31
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How to hide first section header in UITableView (grouped style)
As the design of table views using the grouped style changed considerably with iOS 7, I would like to hide (or remove) the first section header. So far I haven't managed to achieve it.
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