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Getting A File's Mime Type In Java

... Be aware that Files.probeContentType(Path) is buggy on several OSes and a lot of bug reports have been filed. I have had a problem with software working on ubuntu but failing on windows. It seemed that on windows Files.probeContentType(Path) always returned null. It was not my system so I did...
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Detect browser or tab closing

... edited Apr 22 '14 at 9:17 sandip 3,12144 gold badges2626 silver badges5151 bronze badges answered Oct 8 '10 at 8:39 ...
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“for loop” with two variables? [duplicate]

...use: for i, j in zip(range(x), range(y)): # Stuff... Note that if x and y are not the same length, zip will truncate to the shortest list. As @abarnert pointed out, if you don't want to truncate to the shortest list, you could use itertools.zip_longest. UPDATE Based on the request for "a f...
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What does value & 0xff do in Java?

... not quite. The & operator works on long values as well, if either operand is a long. But not on byte. See the Java Language Specification, sections 15.22.1 and 5.6.2. share | improve this answe...
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What ports does RabbitMQ use?

...olution of node names in a cluster. Nodes must be able to reach each other and the port mapper daemon for clustering to work. PORT 35197 set by inet_dist_listen_min/max Firewalls must permit traffic in this range to pass between clustered nodes RabbitMQ Management console: PORT 15672 for RabbitM...
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How do I find a “gap” in running counter with SQL?

...n a counter column in an SQL table. For example, if there are values 1,2,4 and 5 I'd like to find out 3. 20 Answers ...
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What is the reason for a red exclamation mark next to my project in Eclipse?

...ng Jars (eg your project configuration references a jar that isn't there), and that kind of thing, in the case of JDT, but obviously these days Eclipse can be used in so many ways, it could be anything. share | ...
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Dependent DLL is not getting copied to the build output folder in Visual Studio

...ects in the solution. There is one main project which acts as the start up and uses other projects. There is one project say "ProjectX". Its reference is added to main project. The ProjectX references another .NET dll (say abc.dll) that isn't part of the solution. ...
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What is the difference between object keys with quotes and without quotes?

...e JSON data exchange format does require double quotes around identifiers (and does not allow single quotes). share | improve this answer | follow | ...
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How to send email via Django?

...s perfect. Note the small typo correction in the comments of the article. (And I just used my regular computer/localhost. I had not set anything else up before hand.) – user984003 Oct 24 '12 at 16:11 ...