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Qt: *.pro vs *.pri
What is the difference between *.pro and *.pri configuration files for qmake?
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how to get the current working directory's absolute path from irb
... running Ruby on Windows though I don't know if that should make a difference. All I want to do is get the current working directory's absolute path. Is this possible from irb? Apparently from a script it's possible using File.expand_path(__FILE__)
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Byte[] to InputStream or OutputStream
I have a blob column in my database table, for which I have to use byte[] in my Java program as a mapping and to use this data I have to convert it to InputStream or OutputStream . But I don't know what happens internally when I do so. Can anyone briefly explain me what's happening when I do th...
Format in kotlin string templates
Kotlin has an excellent feature called string templates. I really love it.
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How to delete a record in Django models?
I want to delete a particular record. Such as
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Making a Location object in Android with latitude and longitude values
I have a program in which latitude and longitude values of a location are stored in a database, which I download.
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Get last dirname/filename in a file path argument in Bash
I'm trying to write a post-commit hook for SVN, which is hosted on our development server. My goal is to try to automatically checkout a copy of the committed project to the directory where it is hosted on the server. However I need to be able to read only the last directory in the directory strin...
How to remove last n characters from every element in the R vector
I am very new to R, and I could not find a simple example online of how to remove the last n characters from every element of a vector (array?)
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:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
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Rails migrations: self.up and self.down versus change
Looks like the new rails version has "change" versus self.up and self.down methods.
3 Answers
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