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Immutability of Strings in Java

... 319 str is not an object, it's a reference to an object. "Hello" and "Help!" are two distinct Stri...
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How to open link in new tab on html?

...ferrer">Link</a> Edit: for other examples, see here: http://www.w3schools.com/tags/att_a_target.asp (Note: I previously suggested blank instead of _blank because, if used, it'll open a new tab and then use the same tab if the link is clicked again. However, this is only because, as GolezTr...
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float64 with pandas to_csv

... 163 As mentioned in the comments, it is a general floating point problem. However you can use the f...
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Can I load a UIImage from a URL?

... 319 You can do it this way (synchronously, but compact): UIImage *image = [UIImage imageWithData:...
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“where 1=1” statement [duplicate]

... 325 It's usually when folks build up SQL statements. When you add and value = "Toyota" you don't ...
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What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?

... This error message means that you are attempting to use Python 3 to follow an example or run a program that uses the Python 2 print statement: print "Hello, World!" The statement above does not work in Python 3. In Python 3 you need to add parentheses around the value to be printe...
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

... As Sven mentioned, x[[[0],[2]],[1,3]] will give back the 0 and 2 rows that match with the 1 and 3 columns while x[[0,2],[1,3]] will return the values x[0,1] and x[2,3] in an array. There is a helpful function for doing the first example I gave, numpy.ix_. Y...
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How do I find which program is using port 80 in Windows? [duplicate]

...utput for your program. BTW, Skype by default tries to use ports 80 and 443 for incoming connections. You can also run netstat -anb >%USERPROFILE%\ports.txt followed by start %USERPROFILE%\ports.txt to open the port and process list in a text editor, where you can search for the information you...
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How to get the first column of a pandas DataFrame as a Series?

... 143 >>> import pandas as pd >>> df = pd.DataFrame({'x' : [1, 2, 3, 4], 'y' : [4, 5...
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Does Python have “private” variables in classes?

I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms . 12 Answers ...