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How to get last key in an array?
... key (quoting) :
end() advances array 's internal pointer to the last elem>me m>nt, and returns its value.
key() returns the index elem>me m>nt of the current array position.
So, a portion of code such as this one should do the trick :
$array = array(
'first' => 123,
'second' => 456,
...
Case insensitive 'in'
...
usernam>me m> = 'MICHAEL89'
if usernam>me m>.upper() in (nam>me m>.upper() for nam>me m> in USERNAm>ME m>S):
...
Alternatively:
if usernam>me m>.upper() in map(str.upper, USERNAm>ME m>S):
...
Or, yes, you can make a custom m>me m>thod.
...
Capturing TAB key in text box [closed]
... event, those are the only events that the tab key fires, you still need som>me m> way to prevent the default action, moving to the next item in the tab order, from occurring.
In Firefox you can call the preventDefault() m>me m>thod on the event object passed to your event handler. In IE, you have to return ...
How to select a CRAN mirror in R
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You should either get a window with a list of repositories or a text m>me m>nu with som>me m> options. But if that is not appearing, you can always specify the mirror from where to download the packages yourself by using repos param>me m>ter. By doing that, R will not ask you anymore about the repository. Ex...
How can I use console logging in Internet Explorer?
...f the following:
<script type="text/javascript">
console.log('som>me m> msg');
console.info('information');
console.warn('som>me m> warning');
console.error('som>me m> error');
console.assert(false, 'YOU FAIL');
</script>
Also, you can clear the Console by calling console.clear()...
How do I get an empty array of any size in python?
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If by "array" you actually m>me m>an a Python list, you can use
a = [0] * 10
or
a = [None] * 10
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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
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The param>me m>ter of exit should qualify if the execution of the program went good or bad. It's a sort of heredity from older programming languages where it's useful to know if som>me m>thing went wrong and what went wrong.
Exit code is
0 ...
How to set iPhone UIView z index?
...the order in which they are added to their superview. The UIView hierarchy m>me m>thods and properties are there to manage view order. In UIView.h:
@property(nonatomic,readonly) UIView *superview;
@property(nonatomic,readonly,copy) NSArray *subviews;
- (void)removeFromSuperview;
- (void)insertSubview:(...
How to get “wc -l” to print just the number of lines without file nam>me m>?
outputs number of lines and file nam>me m>.
9 Answers
9
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What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
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They are the sam>me m> when used for output, e.g. with printf.
However, these are different when used as input specifier e.g. with scanf, where %d scans an integer as a signed decimal number, but %i defaults to decimal but also allows hexadecim...