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Conversion from Long to Double in Java
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I did. Parsing a string to do this (now edited out of the answer) will degrade performance by many orders of magnitude. Boxing is less expensive but still worth avoiding, especially in cases like this (using new) where it can't be elided away.
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Get next / previous element using JavaScript?
...e a collection.
var divs = document.getElementsByTagName("div");
//divs now contain each and every div element on the page
var selectionDiv = document.getElementById("MySecondDiv");
So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous...
Jenkins / Hudson environment variables
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I kept running into this problem, but now I just add:
source /etc/profile
As the first step in my build process. Now all my subsequent rules are loaded for Jenkins to operate smoothly.
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How to “crop” a rectangular image into a square with CSS?
I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.
10 Answers
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AngularJS : The correct way of binding to a service properties
...e.timerData = Timer.data; is starting to sound mighty tempting right about now... Let's dive a little deeper into that last point... What kind of model changes were we talking about? A model on the back-end (server)? Or a model which is created and lives only in the front-end? In either case, what ...
What is the opposite of :hover (on mouse leave)?
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@Cthulhu - I've edited my answer now. That might help a bit more. I thought that was too obvious an answer.
– SpaceBeers
Jun 12 '12 at 11:07
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Reversing a linked list in Java, recursively
I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...
using gitlab token to clone without authentication
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I know this is old but this is how you do it:
git clone https://oauth2:ACCESS_TOKEN@somegitlab.com/vendor/package.git
share
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How to get image size (height & width) using JavaScript?
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This is now supported in IE9 and all modern web browsers.
– Aaron
May 18 '12 at 15:08
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Debugging sqlite database on the device
...his will copy your db-file to the root of your SD card / external storage. Now you can easily get it from there by using file manager, adb pull or whatever else you like. Note that with this approach, there is NO need for your app to have WRITE_EXTERNAL_STORAGE permission, as the copying is done by ...