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Java Date vs Calendar

Could someone please advise the current "best practice" around Date and Calendar types. 13 Answers ...
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When to use leading slash in gitignore

I'm trying to understand more clearly the .gitignore syntax, and in particular as far as https://github.com/github/gitignore gitignores are concerned. ...
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Run MySQLDump without Locking Tables

...erts in the case of MyISAM tables. For transactional tables such as InnoDB and BDB, --single-transaction is a much better option, because it does not need to lock the tables at all. For innodb DB: mysqldump --single-transaction=TRUE -u username -p DB ...
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Setting Android Theme background color

... made a really silly mistake. The device I am using for testing is running Android 4.0.4, API level 15. The styles.xml file that I was editing is in the default values folder. I edited the styles.xml in values-v14 folder and it works all fine now. ...
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Why is @autoreleasepool still needed with ARC?

... ARC doesn't get rid of retains, releases and autoreleases, it just adds in the required ones for you. So there are still calls to retain, there are still calls to release, there are still calls to autorelease and there are still auto release pools. One of the other...
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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?

...d in the Java Language Specification under "Floating-Point Types, Formats, and Values": NaN is unordered, so the numerical comparison operators <, <=, >, and >= return false if either or both operands are NaN. The equality operator == returns false if either operand is NaN,...
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What do the crossed style properties in Google Chrome devtools mean?

...ecting an element using Chrome's devtools, in the elements tab, the right-hand side 'Styles' bar shows the corresponding CSS properties. At times, some of these properties are struck-through. What do these properties mean? ...
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How do I turn a String into a InputStreamReader in java?

.... That wrong version number is especially weird as Java 1.4 introduced NIO and it makes little sense to introduce an API and its conceptional successor within the same version. – Holger Mar 31 '15 at 11:00 ...
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Take a full page screenshot with Firefox on the command-line

... The Developer Toolbar GCLI and Shift+F2 shortcut were removed in Firefox version 60. To take a screenshot in 60 or newer: press Ctrl+Shift+K to open the developer console (⌥ Option+⌘ Command+K on macOS) type :screenshot or :screenshot --fullpage ...
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How to stop and restart memcached server?

How to stop and restart memcached server 1.4.5 in linux OS from command line? 12 Answers ...