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Is Java really slow?

...on Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (including the standard ones) will creat...
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Getting LaTeX into R Plots

... By approximately, I meant that LaTeX strings are translated into R's plotmath expressions -- which means that if plotmath does not support a specific LaTeX symbol, it will either not be rendered or it will be rendered by combining symbols that are available. ...
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How does strtok() split the string into tokens in C?

...in to me the working of strtok() function. The manual says it breaks the string into tokens. I am unable to understand from the manual what it actually does. ...
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Replace a character at a specific index in a string?

I'm trying to replace a character at a specific index in a string. 8 Answers 8 ...
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What does the restrict keyword mean in C++?

... saved, as mentioned by supercat and michael. Consider for example: void f(char *restrict p1, char *restrict p2, size_t size) { for (size_t i = 0; i < size; i++) { p1[i] = 4; p2[i] = 9; } } Because of restrict, a smart compiler (or human), could optimize that to: mem...
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Error handling in C code

...r if struct is really large) and have a function to format the struct as a string. – Winger Sendon Sep 27 '18 at 22:50 ...
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How to check if AlarmManager already has an alarm set?

... Does it have to use the Intent with just an Action String? I tried specifying a class, new Intent(context, MyClass.class) but it doesn't seem to work. It always returns null even when the alarm is running. – toc777 Apr 4 '12 at 8:39 ...
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Find out HTTP method in PHP [duplicate]

...ECIAL_CHARS ) (you might of course use other filter, eg. FILTER_SANITIZE_STRING - see here for a full list). Obviously, in the regular (GET/POST) case there ain't anything to sanitize, but a good habit is still a good habit IMO. http://php.net/manual/en/reserved.variables.server.php http://php....
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How to remove single character from a String

For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java? ...
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Getting the name of a variable as a string

This thread discusses how to get the name of a function as a string in Python: How to get a function name as a string? 23 ...