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Remove all special characters from a string in R?
How to remove all special characters from string in R and replace them with spaces ?
3 Answers
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Accessing localhost:port from Android emulator
... by the Android team. So your webserver can perfectly run at localhost and from your Android app you can access it via "http://10.0.2.2:<hostport>".
If your emulator must access the internet through a proxy server, you can configure a custom HTTP proxy from the emulator's Extended controls sc...
Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
When trying to do a HTTP request using XMLHttpRequest from a local file, it basically fails due to Access-Control-Allow-Origin violation.
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Getting the class name from a static method in Java
How can one get the name of the class from a static method in that class. For example
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Python division
I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
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Remove not alphanumeric characters from string
...hars
The following is the/a correct regex to strip non-alphanumeric chars from an input string:
input.replace(/\W/g, '')
Note that \W is the equivalent of [^0-9a-zA-Z_] - it includes the underscore character. To also remove underscores use e.g.:
input.replace(/[^0-9a-z]/gi, '')
The input is m...
how to convert from int to char*?
..., particularly to older projects. Plenty of C++ games also still stay away from std::string. Going from int to std::string to char* isn't the same as int to char*.
– Adambean
Jan 25 '16 at 19:05
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MYSQL import data from csv using LOAD DATA INFILE
I am importing some data of 20000 rows from a CSV file into Mysql.
11 Answers
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How can I tell if one commit is a descendant of another commit?
...t merge-base A B is equal to git rev-parse --verify A (then A is reachable from B), or if it is git rev-parse --verify B (then B is reachable from A). git rev-parse is here needed to convert from commit name to commit SHA-1 / commit id.
Using git rev-list like in VonC answer is also possibility.
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How can I extract audio from video with ffmpeg?
I tried the following command to extract audio from video:
12 Answers
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