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What does “Could not find or load main class” mean?

... next thing to check is that you have specified the classpath correctly: Read the three documents linked above. (Yes ... READ them! It is important that a Java programmer understands at least the basics of how the Java classpath mechanisms works.) Look at command line and / or the CLASSPATH envi...
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Difference between Pragma and Cache-Control headers?

I read about Pragma header on Wikipedia which says: 3 Answers 3 ...
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HTML5 Local storage vs. Session storage

... are also scoped by browser vendors. So storage data saved by IE cannot be read by Chrome or FF. Hope this helps. share | improve this answer | follow | ...
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Set angular scope variable in markup

Simple question: How can I set a scope value in html, to be read by my controller? 8 Answers ...
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Select unique or distinct values from a list in UNIX shell script

...nes is small enough (as unique lines are kept in memory). The zsh solution reads the entire file into memory first, which may not be an option with large files. Also, as written, only lines with no embedded spaces are handled correctly; to fix this, use IFS=$'\n' read -d '' -r -A u <file; print -...
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Free XML Formatting tool [closed]

...ol available where I can past an XML string and have it formatted so I can read the XML document correctly? 12 Answers ...
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Does use of final keyword in Java improve the performance?

...mon JVM, so...) To my mind you should use final based on clear design and readability rather than for performance reasons. If you want to change anything for performance reasons, you should perform appropriate measurements before bending the clearest code out of shape - that way you can decide whet...
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What is the maximum value for an int32?

... If you get the tattoo on your face, don't forget to reverse it so it reads correctly in the mirror. Otherwise you'll see 746,384,741,2 which is wrong and would be embarrassing. – Larry S Apr 21 '16 at 20:20 ...
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How do I get the file name from a String containing the Absolute file path?

... This is the best because: Easy to read, most robust, less object cludder in the code +1 – fl0w Mar 26 at 14:29 add a comment ...
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Is there any publicly accessible JSON data source to test with real world data? [closed]

...et a dump of posts using a simple url like http://puppygifs.tumblr.com/api/read/json. share | improve this answer | follow | ...