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Why can a function modify some arguments as perceived by the caller, but not others?
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Some answers contain the word "copy" in a context of a function call. I find it confusing.
Python doesn't copy objects you pass during a function call ever.
Function parameters are names. When you call a function Python binds these parameters to wha...
What is the difference between Spring's GA, RC and M2 releases?
Spring's 3.0 version is now GA release, before that they have launched 3.0 RC1 , RC2 version Also, there was Spring 3.0 M2 version. What's the difference between GA, RC, M versions?
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how to hide a vertical scroll bar when not needed
... div as I have jquery hint and wanted to use opacity without changing the border.
There is a visible vertical scroll bar how I only want this displayed when I am typing in the text field and it goes beyond the container. I have tried overflow: auto; but does not work.
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Difference between scaling horizontally and vertically for databases [closed]
... databases and scalability is one of them. What is the difference between horizontally and vertically scaling these databases?
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How to have the cp command create any necessary folders for copying a file to a destination [duplica
When copying a file using cp to a folder that may or may not exist, how do I get cp to create the folder if necessary? Here is what I have tried:
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Best way to split string into lines
...remove the unnecessary ToCharArray call.
If you want to split by either \n or \r, you've got two options:
Use an array literal – but this will give you empty lines for Windows-style line endings \r\n:
var result = text.Split(new [] { '\r', '\n' });
Use a regular expression, as indicated by Ba...
Bootstrap css hides portion of container below navbar navbar-fixed-top
... little issue .I have a container below the Nav-top.My issue is that some portion of my container is hidden below the nav-top header.I dont want to use top-margin with container. Pls see below html in which im facing the issue
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When do I use the PHP constant “PHP_EOL”?
..., PHP_EOL is ostensibly used to find the newline character in a cross-platform-compatible way, so it handles DOS/Unix issues.
Note that PHP_EOL represents the endline character for the current system. For instance, it will not find a Windows endline when executed on a unix-like system.
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Is there a difference between /\s/g and /\s+/g?
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\s means "one space", and \s+ means "one or more spaces".
But, because you're using the /g flag (replace all occurrences) and replacing with the empty string, your two expressions have the same effect.
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Difference between `npm start` & `node app.js`, when starting app?
...escription is completely unhelpful, and that's all it says. At least it's more documented than socket.io.
Anyhow, what really happens is that npm looks in your package.json file, and if you have something like
"scripts": { "start": "coffee server.coffee" }
then it will do that. If npm can't f...