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GCC dump preprocessor defines
Is there a way for gcc/g++ to dump its preprocessor defines from the command line?
I mean things like __GNUC__ , __STDC__ , and so on.
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Use dynamic (variable) string as regex pattern in JavaScript
I want to add a (variable) tag to values with regex, the pattern works fine with PHP but I have troubles implementing it into JavaScript.
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How to unset a JavaScript variable?
I have a global variable in JavaScript (actually a window property, but I don't think it matters) which was already populated by a previous script but I don't want another script that will run later to see its value or that it was even defined.
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
... possible to insert a line break where the cursor is in Vim without entering into insert mode? Here's an example ( [x] means cursor is on x ):
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How to remove all line breaks from a string
I have a text in a textarea and I read it out using the .value attribute.
16 Answers
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Opening the Settings app from another app
...ow that there are many question about it, but they are all from many time ago.
17 Answers
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Split string using a newline delimiter with Python
I need to delimit the string which has new line in it. How would I achieve it? Please refer below code.
5 Answers
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Plot two graphs in same plot in R
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lines() or points() will add to the existing graph, but will not create a new window. So you'd need to do
plot(x,y1,type="l",col="red")
lines(x,y2,col="green")
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How can I update NodeJS and NPM to the next versions?
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See the docs for the update command:
npm update [-g] [<pkg>...]
This command will update all the packages listed to the latest version (specified by the tag config), respecting semver.
Additionally, see the documentation on Node.js and NPM installation and Upgra...
Avoid trailing zeroes in printf()
I keep stumbling on the format specifiers for the printf() family of functions. What I want is to be able to print a double (or float) with a maximum given number of digits after the decimal point. If I use:
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