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Handling optional parameters in javascript
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You can know how many arguments were passed to your function and you can check if your second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(param...
Way to ng-repeat defined number of times instead of repeating over array?
...mber(number)">
<span>{{ $index+1 }}</span>
</li>
And somewhere in your controller:
$scope.number = 5;
$scope.getNumber = function(num) {
return new Array(num);
}
This would allow you to change $scope.number to any number as you please and still maintain the binding ...
Peak-finding algorithm for Python/SciPy
... something, but it seems like a common-enough function to be included in standard libraries. Anyone know of one?
8 Answers...
Set 4 Space Indent in Emacs in Text Mode
...les
;; custom-set-variables was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(tab-stop-list (quote (4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 6...
Recommended SQL database design for tags or tagging [closed]
...rd of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that's comma separated (sounds crazy but could work). I've e...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
How can I randomize the lines in a file using standard tools on Red Hat Linux?
11 Answers
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What Java ORM do you prefer, and why? [closed]
It's a pretty open ended question. I'll be starting out a new project and am looking at different ORMs to integrate with database access.
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How to get just numeric part of CSS property with jQuery?
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This will clean up all non-digits, non-dots, and not-minus-sign from the string:
$(this).css('marginBottom').replace(/[^-\d\.]/g, '');
UPDATED for negative values
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Add centered text to the middle of a -like line
...he compatibility is not that bad (you can add all of old flexbox syntaxes) and it degrades gracefully.
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How to break out from a ruby block?
...fers control out of the block, out of the iterator that invoked the block, and to the first expression following the invocation of the iterator:
f.each do |line| # Iterate over the lines in file f
break if line == "quit\n" # If this break statement is executed...
puts eval(line)
en...