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How to avoid annoying error “declared and not used”
I'm learning Go but I feel it is a bit annoying that when compiling, I should not leave any variable or package unused.
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System.Data.SQLite Close() not releasing database file
I'm having a problem closing my database before an attempt to delete the file. The code is just
17 Answers
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What is a simple command line program or script to backup SQL server databases?
I've been too lax with performing DB backups on our internal servers.
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How to input a regex in string.replace?
I need some help on declaring a regex. My inputs are like the following:
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Which concurrent Queue implementation should I use in Java?
From the JavaDocs:
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In Flux architecture, how do you manage Store lifecycle?
I'm reading about Flux but the example Todo app is too simplistic for me to understand some key points.
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Standard concise way to copy a file in Java?
It has always bothered me that the only way to copy a file in Java involves opening streams, declaring a buffer, reading in one file, looping through it, and writing it out to the other steam. The web is littered with similar, yet still slightly different implementations of this type of solution.
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How to find patterns across multiple lines using grep?
I want to find files that have "abc" AND "efg" in that order, and those two strings are on different lines in that file. Eg: a file with content:
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Check free disk space for current partition in bash
I am writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
I just found a comment in this answer saying that using iostream::eof in a loop condition is "almost certainly wrong". I generally use something like while(cin>>n) - which I guess implicitly checks for EOF.
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