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javac not working in windows command prompt

...a java runtime environment. What you need is the Java development kit." in order to use compiler javac javac will not work if you are pointing bin inside jre In order to use javac in cmd , JDK must be installed in your system... For javac path path = C:\Program Files (x86)\Java\jre7\bin this ...
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How to select bottom most rows?

... ( SELECT TOP 200 columns FROM My_Table ORDER BY a_column DESC ) SQ ORDER BY a_column ASC share | improve this answer | fol...
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Multiple linear regression in Python

... Just noticed that your x1, x2, x3 are in reverse order in your original predictor list, i.e., x = [x3, x2, x1]? – sophiadw Apr 22 '16 at 3:27 ...
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How to check a string for specific characters?

...s easier for me to always use them, than to always remember the precedence order :-). – Abbafei Feb 17 '13 at 7:46 add a comment  |  ...
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Check if an array is empty or exists

... tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements. firstArray = []; firstArray.length > 0; // => false secondArray = [1,2,3]; secondArray....
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Python: split a list based on a condition?

...st comprehension far easier to read, and you don't have to worry about the order being messed up, duplicates being removed as so on. In fact, I may go another step "backward", and just use a simple for loop: images, anims = [], [] for f in files: if f.lower() in IMAGE_TYPES: images.ap...
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Troubleshooting “Illegal mix of collations” error in mysql

...ery. Here is an example that uses the COLLATE clause: SELECT * FROM table ORDER BY key COLLATE latin1_general_ci; Another option is to use the BINARY operator: BINARY str is the shorthand for CAST(str AS BINARY). Your solution might look something like this: SELECT * FROM table WHERE BINAR...
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How can I have Github on my own server?

... Just realized it is Ruby, it's really nice though – JasonDavis Dec 5 '11 at 19:50 11 ...
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No increment operator (++) in Ruby? [duplicate]

... Regarding point #3, since most things are objects, imagine if Ruby allowed you to do this: 1++ 1+2 # Would not be 3! – Johntron Feb 5 '13 at 13:46 ...
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In bash, how does one clear the current input?

...se keystrokes in fact come from the read line library: cnswww.cns.cwru.edu/php/chet/readline/rluserman.html .. so you can find them in any tool which user interface uses the library (Actually Emacs, bash, etc..). You can customize its behavior by editing the .inputrc file (take a look to the link ab...