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How do I turn on SQL debug logging for ActiveRecord in RSpec tests?

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How to properly import a selfsigned certificate into Java keystore that is available to all Java app

...ick OK for the warning about the trust path. Click OK when it displays the details about the certificate. Click Yes to accept the certificate as trusted. When it asks for an alias click OK and click OK again when it says it has imported the certificate. Click save. Don’t forget this or the change ...
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Which access modifiers are implied when not specified?

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What is the Oracle equivalent of SQL Server's IsNull() function?

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How do you get the width and height of a multi-dimensional array?

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How to disable mouseout events triggered by child elements?

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Check whether user has a Chrome extension installed

... LocalLinks extension click <a href="https://chrome.google.com/webstore/detail/locallinks/' + ExtID + '">here</a>'; } function Ext_Detect_Installed(ExtName, ExtID) { console.log(ExtName + ' Installed'); } var Ext_Detect = function (ExtName, ExtID) { var s = document.createElement('...
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Copying files using rsync from remote server to local machine

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Unit testing of private methods [duplicate]

... that tests should not need to be removed if you change the implementation details of the class without changing its public interface (or protected, if you like). You might want to add tests after a re-write, when you're white-box testing, to catch new "risky" cases. You shouldn't have to remove the...
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Mixins vs. Traits

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