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Calculate difference between two datetimes in MySQL
...en users logs in, I want to get the difference between the last login time and the current time (which I get using NOW() ).
...
How can I check that a form field is prefilled correctly using capybara?
... Ah, I was missing the .value bit. Thanks!
– Marc-André Lafortune
May 8 '12 at 18:02
I was having the same problem...
Add EBS to Ubuntu EC2 Instance
... to format the EBS volume (block device) with a file system between step 1 and step 2. So the entire process with your sample mount point is:
Create EBS volume.
Attach EBS volume to /dev/sdf (EC2's external name for this particular device number).
Format file system /dev/xvdf (Ubuntu's internal na...
Why do we use $rootScope.$broadcast in AngularJS?
...n, when your controller is destroyed that event listener will still exist, and when your controller will be created again, it will just pile up more event listeners. (So one broadcast will be caught multiple times). Use $scope.$on() instead, and the listeners will also get destroyed.
What is the dif...
How many characters can UTF-8 encode?
... bytes to encode. This covers the remainder of almost all Latin alphabets, and also Greek, Cyrillic, Coptic, Armenian, Hebrew, Arabic, Syriac and Tāna alphabets, as well as Combining Diacritical Marks.
Three bytes are needed for characters in the rest of the Basic Multilingual Plane, which con...
Can I inject a service into a directive in AngularJS?
...
You can do injection on Directives, and it looks just like it does everywhere else.
app.directive('changeIt', ['myData', function(myData){
return {
restrict: 'C',
link: function (scope, element, attrs) {
scope.name = myData.name...
Overriding class constants vs properties
I would like to better understand why, in the scenario below, there is a difference in the way class constants are inherited vs. instance variables.
...
How can I make a TextArea 100% width without overflowing when padding is present in CSS?
I have the following CSS and HTML snippet being rendered.
15 Answers
15
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ReSharper warns: “Static field in generic type”
...lass C<T> which
has a static field X, the values of C<int>.X and C<string>.X
have completely different, independent values.
In the rare cases when you do need the 'specialized' static fields,
feel free to suppress the warning.
If you need to have a static field shar...
jQuery selector for the label of a checkbox
...ect the label using jQuery? Would it be easier to give the label tag an ID and select that using $(#labelId) ?
5 Answers
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