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How to set Oracle's Java as the default Java in Ubuntu?

...e a directory somewhere you like in your file system for example /usr/java now extract the files you just downloaded in that directory: $ sudo tar xvzf jdk-8u5-linux-i586.tar.gz -C /usr/java now to set your JAVA_HOME environment variable: $ JAVA_HOME=/usr/java/jdk1.8.0_05/ $ sudo update-alternat...
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Locking pattern for proper use of .NET MemoryCache

...urn cachedString; } //The value still did not exist so we now write it in to the cache. var expensiveString = SomeHeavyAndExpensiveCalculation(); CacheItemPolicy cip = new CacheItemPolicy() { AbsoluteExp...
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Checking out Git tag leads to “detached HEAD state”

..., a commit, a date specifier, an ordinal specifier or many other things. Now a branch is just like a tag but is movable. When you are "on" a branch and make a commit, the branch is moved to the new commit you made indicating it's current position. Your HEAD is pointer to a branch which is consid...
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What is the easiest way to get current GMT time in Unix timestamp format?

...ng the following to get current GMT time time.mktime(datetime.datetime.utcnow().timetuple()) 10 Answers ...
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Convert timedelta to total seconds

...= time.time(); print tt 1301736663.88 >>> print datetime.datetime.now() 2011-04-02 20:31:03.882000 ### UTC+11, my local time >>> print datetime.datetime(1970,1,1) + datetime.timedelta(seconds=tt) 2011-04-02 09:31:03.880000 ### UTC >>> print time.localtime() time.struct_tim...
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How can I create download link in HTML?

... This answer is outdated. We now have the download attribute. (see also this link to MDN) If by "the download link" you mean a link to a file to download, use <a href="http://example.com/files/myfile.pdf" target="_blank">Download</a> t...
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How to Compare Flags in C#?

...itwise AND operation. FlagTest.Flag1 is equivalent to 001 with OP's enum. Now let's say testItem has Flag1 and Flag2 (so it's bitwise 101): 001 &101 ---- 001 == FlagTest.Flag1 share | i...
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Styling multi-line conditions in 'if' statements? [closed]

...anks, it's probably a good idea to update your examples too since they are now not recommended. I was trying to figure this out myself and was confused by the discrepancy between your answer and the style guide (hence my comment). I wasn't just trying to be pedantic. – joshca...
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CSS 100% height with padding/margin

...ly work under IE6. Adding Dean Edwards' IE9.js to the page made this work. Now I just have to hope and pray that the relative/absolute positioning doesn't screw with something in a child element... – Christopher Parker May 19 '10 at 18:34 ...
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Remove directory from remote repository after adding them to .gitignore

...adding a directory that should be ignored. Everything works fine, but the (now ignored) directory stays on github. 8 Answer...