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Is a Java string really immutable?

...rings which is the first step of further optimizations using the context information of the caller. This is a big impact. – Holger Jan 8 '14 at 18:27 ...
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Performing regex Queries with pymongo

I am trying to perform a regex query using pymongo against a mongodb server. The document structure is as follows 4 Answers...
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Comma in C/C++ macro

...void(t)>::type name FOO((std::map<int, int>), map_var); Because forming function types ignores extra parentheses, you can use this macro with or without parentheses where the type name doesn't include a comma: FOO((int), int_var); FOO(int, int_var2); In C, of course, this isn't necessa...
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Is SecureRandom thread safe?

...s are using a single SecureRandom, there might be contention that hurts performance. On the other hand, initializing a SecureRandom instance can be relatively slow. Whether it is best to share a global RNG, or to create a new one for each thread will depend on your application. The ThreadLocalRandom...
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Convert an integer to a float number

...le in GoLang. In my program, I scan an integer i from the user input, perform a type conversion on it and store it in the variable f. The output prints the float64 equivalent of the int input. float32 datatype is also available in GoLang Code: package main import "fmt" func main() { var i in...
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TemplateDoesNotExist - Django Error

... Please note that the DRF attempts to return data in the same format that was requested. From your browser, this is most likely HTML. To specify an alternative response, use the ?format= parameter. For example: ?format=json. The TemplateDoesNotExist error occurs most commonly when you...
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Can I add a custom attribute to an HTML tag?

...right out." – Mike Mar 25 '11 at 14:01 3 ...
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Latex Remove Spaces Between Items in List

What is the best way to format a list as to remove the spaces between list items. 4 Answers ...
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R apply function with multiple parameters

...ar2 }, var=thisvar2) But I get an error that argument 2 matches multiple formal arguments – emudrak Jan 26 '17 at 18:43 ...
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How to set a single, main title above all the subplots with Pyplot?

...tlib.pyplot as plt import numpy as np # Simple data to display in various forms x = np.linspace(0, 2 * np.pi, 400) y = np.sin(x ** 2) fig, axarr = plt.subplots(2, 2) fig.suptitle("This Main Title is Nicely Formatted", fontsize=16) axarr[0, 0].plot(x, y) axarr[0, 0].set_title('Axis [0,0] Subtitle'...