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How to extract base URL from a string in JavaScript?
I'm trying to find a relatively easy and reliable method to extract the base URL from a string variable using JavaScript (or jQuery).
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Is it possible to focus on a using JavaScript focus() function?
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window.location.hash = '#tries';
This will scroll to the element in question, essentially "focus"ing it.
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Android Drawing Separator/Divider Line in Layout?
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Works for me too. Can also add android:layout_marginTop="2dp" (etc) to add spaces in top and bottom.
– Pinch
May 7 '12 at 3:43
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Binding multiple events to a listener (without JQuery)?
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In POJS, you add one listener at a time. It is not common to add the same listener for two different events on the same element. You could write your own small function to do the job, e.g.:
/* Add one or more listeners to an element
** @param {DOMElement} eleme...
Extract a dplyr tbl column as a vector
...dplyr tbl as a vector, from a tbl with database back-end (i.e. the data frame/table can't be subset directly)?
7 Answers
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Attach parameter to button.addTarget action in Swift
I am trying to pass an extra parameter to the buttonClicked action, but cannot work out what the syntax should be in Swift.
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What is an EJB, and what does it do?
Been trying to learn what EJB beans are, what does it mean their instances are managed in a pool, blah blah. Really can't get a good grip of them.
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When to choose checked and unchecked exceptions
...sed. The Java core API fails to follow these rules for SQLException (and sometimes for IOException) which is why they are so terrible.
Checked Exceptions should be used for predictable, but unpreventable errors that are reasonable to recover from.
Unchecked Exceptions should be used for everything...
What Makes a Good Unit Test? [closed]
... you are writing lots of automated tests and that you also have run into some common pitfalls when unit testing.
18 Answer...
MySQL LIKE IN()?
...ity of REGEXP to narrow my result set further than LIKE could provide. I came up with a hybrid solution where I used both LIKE and REGEXP; despite the REGEXP portion being sufficient to give me the correct results, using LIKE as well allowed MySQL to reduce the result set considerably before having ...