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What do the &,

Up until now I have only used database.yml with each parameter called out explicitly, in the file below it uses some characters I do not understand. What does each line and symbol(&,*, ...
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Set CSS property in Javascript?

...rst line had single quotes as I copied it from the OPs question. Corrected now anyway. – djdd87 Mar 4 '11 at 15:04 1 ...
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Immutable vs Mutable types

I'm confused on what an immutable type is. I know the float object is considered to be immutable, with this type of example from my book: ...
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How to drop a list of rows from Pandas dataframe?

...e the same strings for rows and columns. That's fine for those who really know their stuff already. Frustrating for those trying to learn. – gseattle Mar 19 '17 at 7:40 4 ...
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Difference between DOMContentLoaded and load events

... Fyi, the same MDN link [now] also says: "Note: Stylesheet loads block script execution, so if you have a <script> after a <link rel="stylesheet" ...>, the page will not finish parsing - and DOMContentLoaded will not fire - until the styl...
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JUnit 4 Test Suites

...ice.class, testMyBackend.class, ... }) public class AllTests {} Now you can run this in a couple different ways: right-click and run in Eclipse as Junit test create a runable Java Application; Main class='org.junit.runner.JUnitCore' and Args='my.package.tests.AllTests' run from the comm...
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Haskell Type vs Data Constructor

...ith how binary trees work, just hang in there. You don't actually need to know how binary trees work, only that this one stores Strings in some way. We also see that both data constructors take a String argument – this is the String they are going to store in the tree. But! What if we also wante...
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Traits in PHP – any real world examples/best practices? [closed]

Traits have been one of the biggest additions for PHP 5.4. I know the syntax and understand the idea behind traits, like horizontal code re-use for common stuff like logging, security, caching etc. ...
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Jenkins Host key verification failed

...(yes/no)? Type yes and press Enter. The host key for bitbucket.org will now be added to the ~/.ssh/known_hosts file and you won't get this error in Jenkins anymore. share | improve this answer ...
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What is a race condition?

...read scheduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to access the shared data. Therefore, the result of the change in data is dependent on the thread scheduling algorithm, i.e. both threads are "racing" to access/change the data....