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Add legend to ggplot2 line plot
...t three lines in the same graph and want to add a legend with the three colors used. This is the code used
3 Answers
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Google Maps API v2: How to make markers clickable?
...s API v2 become clickable so they will either bring up a menu with options or just start a new activity? I believe I made the markers in my app currently in a "newb" method. I didn't assign them a name or a method to be able to link it in with the rest of the required code.
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Regex to validate date format dd/mm/yyyy
I need to validate a date string for the format dd/mm/yyyy with a regular expresssion.
20 Answers
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Set Page title using UI-Router
...YgX?p=preview
Even with $stateChangeSuccess the $timeout has been needed for the history to be correct, at least when I've tested myself.
Edit: Nov 24, 2014 - Declarative approach:
app.directive('title', ['$rootScope', '$timeout',
function($rootScope, $timeout) {
return {
link: func...
C# DateTime.Now precision
I just ran into some unexpected behavior with DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond incre...
How to add border radius on table row
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You can only apply border-radius to td, not tr or table. I've gotten around this for rounded corner tables by using these styles:
table { border-collapse: separate; }
td { border: solid 1px #000; }
tr:first-child td:first-child { border-top-le...
How to make a function wait until a callback has been called using node.js
...iven" way of doing this is to not wait.
Like almost everything else when working with event driven systems like node, your function should accept a callback parameter that will be invoked when then computation is complete. The caller should not wait for the value to be "returned" in the normal sens...
How to Sort Multi-dimensional Array by Value?
How can I sort this array by the value of the "order" key? Even though the values are currently sequential, they will not always be.
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How to sort an array by a date property
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Simplest Answer
array.sort(function(a,b){
// Turn your strings into dates, and then subtract them
// to get a value that is either negative, positive, or zero.
return new Date(b.date) - new Date(a.date);
});
More Generic Answer
array.sort(...
Should C# methods that *can* be static be static? [closed]
... methods interchangeably.
If you have a method that is in the first category (can-be-static), and you need to change it to access class state, it's relatively straight forward to figure out if it's possible to turn the static method into a instance method.
In a large code base, however, the sheer...