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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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Angularjs Template Default Value if Binding Null / Undefined (With Filter)
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Turns out all I needed to do was wrap the left-hand side of the expression in soft brackets:
<span class="gallery-date">{{(gallery.date | date:'mediumDate') || "Various"}}</span>
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How to refresh Android listview?
How to refresh an Android ListView after adding/deleting dynamic data?
25 Answers
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Create UIActionSheet 'otherButtons' by passing in array, not varlist
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This works; thanks. Didn't realize that the cancelButtonIndex property could be set. One thing I think we can all agree on: Apple's API for this sucks.
– Greg Maletic
Mar 5 '10 at 19:14
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Rails: How to get the model class name based on the controller class name?
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The accepted solution did not work for me as my controller and model was namespaced. Instead, I came up with the following method:
def controllers_model
(self.class.name.split('::')[0..-2] << controller_name.classify).join('::')
end
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UIPopovercontroller dealloc reached while popover is still visible
I assure you that I did look for an answer in SO for my question but none of them were helpful. Here I got a simple code that should present a UIImagePickerController within a UIPopoverController :
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printf with std::string?
...e and typesafe. In fact, when you're writing C++, you generally want to avoid printf entirely -- it's a leftover from C that's rarely needed or useful in C++.
As to why you should use cout instead of printf, the reasons are numerous. Here's a sampling of a few of the most obvious:
As the question...
What's the difference between .so, .la and .a library files?
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Image loaded event in for ng-src in AngularJS
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Here is an example how to call image onload http://jsfiddle.net/2CsfZ/2/
Basic idea is create a directive and add it as attribute to img tag.
JS:
app.directive('imageonload', function() {
return {
restrict: 'A',
link: function(scope, element, attrs) {
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ruby system command check exit code
... An error status is available in $?.
system("VBoxManage createvm --invalid-option")
$? #=> #<Process::Status: pid 9926 exit 2>
$?.exitstatus #=> 2
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