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Angularjs if-then-else construction in expression
...ists(item)">oh no, you don't have it</div>
</div>
For more complex tests, you can use ng-switch statements :
<div ng-repeater="item in items">
<div>{{item.description}}</div>
<div ng-switch on="isExists(item)">
<span ng...
How can I set a website image that will show as preview on Facebook?
... property="og:image" content="fully_qualified_image_url_here" />
Read more about open graph protocol here.
After doing the above, use the Facebook "Object Debugger" if the image does not show up correctly. Also note the first time shared it still won't show up unless height and width are also...
How can I make a div stick to the top of the screen once it's been scrolled to?
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A gentle tutorial to Emacs/Swank/Paredit for Clojure
...g are to great tutorials which describe how to set all of this up; there's more on the Web, but some of the others are quite outdated, whereas these two seem to be ok for now:
in which are found tricks of the trade concerning clojure authorship post on Phil Hagelberg's blog; Phil maintains swank-c...
Determine Whether Two Date Ranges Overlap
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How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...rue? This will lead to failing tests (and rightfully so), but they will be more difficult to fix because of the hidden assumption that b is false. Explicitly specifying the bool parameter has another benefit: it improves the readability of your tests. Someone going through them will quickly know tha...
What is unit testing and how do you do it? [duplicate]
...perly mock and unit test
Unit Testing: Beginner Questions
And many more ...
Also, Google for site:stackoverflow.com "how do you" unit-test
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Advantages and disadvantages of GUID / UUID database keys
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How can I send an email by Java application using GMail, Yahoo, or Hotmail?
... me.printStackTrace();
}
}
}
Naturally, you'll want to do more in the catch blocks than print the stack trace as I did in the example code above. (Remove the catch blocks to see which method calls from the JavaMail API throw exceptions so you can better see how to properly handle t...
Weighted random numbers
...om, and as long as your container is storing pointers to the objects or is more than a few dozen items long (basically, you have to profile to know if this helps or hinders), then there is an optimisation:
By storing the cumulative weight sum in each item you can use a binary search to pick the ite...