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Weird Integer boxing in Java

... The true line is actually guaranteed by the language specification. From section 5.1.7: If the value p being boxed is true, false, a byte, a char in the range \u0000 to \u007f, or an int or short number between -128 and 127, then let ...
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Configure apache to listen on port other than 80

...ttpd.conf here fileuploading.net/860467 nothing like WAMP, Xampp, Appserv. All I have done is compiling apache, tomcat and jk connector from source and trying my best to make them work together. – vivek.m Oct 15 '10 at 11:06 ...
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How to replace all occurrences of a character in string?

What is the effective way to replace all occurrences of a character with another character in std::string ? 15 Answers ...
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How to do a non-greedy match in grep?

... eegg: dot all modifier is also known as multiline. It's a modifier that changes the "." match behavior to include newlines (normally it doesn't). There's no such modifier in grep, but there is in pcregrep. – A. Wi...
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Using the star sign in grep

...will match a string that contains abc followed by def with something optionally in between. Update based on a comment: * in a regular expression is not exactly the same as * in the console. In the console, * is part of a glob construct, and just acts as a wildcard (for instance ls *.log will list ...
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Vagrant's port forwarding not working [closed]

I'm running into a small problem at the end of the Getting Started guide for vagrant . I'm working on a CentOS basebox that has Apache2 running (provisioning via Puppet). I've set up port forwarding for web requests using the following line in Vagrantfile : ...
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Clear icon inside input text

.... jQ will add the class x (if input has value) showing the clear icon. Now all we need is to target with jQ the inputs with class x and detect on mousemove if the mouse is inside that 18px "x" area; if inside, add the class onX. Clicking the onX class removes all classes, resets the input value and ...
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How to extract the first two characters of a string in shell scripting?

...two characters, short will be identical to it. This in-shell method is usually better if you're going to be doing it a lot (like 50,000 times per report as you mention) since there's no process creation overhead. All solutions which use external programs will suffer from that overhead. If you also...
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Expanding tuples into arguments

Is there a way to expand a Python tuple into a function - as actual parameters? 4 Answers ...
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Function to clear the console in R and RStudio

...ng function clc <- function() cat(rep("\n", 50)) which you can then call as clc(). share | improve this answer | follow | ...