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Read a file line by line assigning the value to a variable
...hile IFS= read -r line; do
echo "Text read from file: $line"
done < my_filename.txt
This is the standard form for reading lines from a file in a loop. Explanation:
IFS= (or IFS='') prevents leading/trailing whitespace from being trimmed.
-r prevents backslash escapes from being interprete...
Is there a way to automatically build the package.json file for Node.js projects
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I don't really appreciate having the entirety of my answer, save for a line, rewritten and still attributed to me. Regardless of whether or not it was outdated.
– nzondlo
Jul 29 '14 at 15:19
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Is it possible to use Swift's Enum in Obj-C?
I'm trying to convert some of my Obj-C class to Swift. And some other Obj-C classes still using enum in that converted class. I searched In the Pre-Release Docs and couldn't find it or maybe I missed it. Is there a way to use Swift enum in Obj-C Class? Or a link to the doc of this issue?
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Should unit tests be written for getter and setters?
... would say no.
@Will said you should aim for 100% code coverage, but in my opinion that's a dangerous distraction. You can write unit tests that have 100% coverage, and yet test absolutely nothing.
Unit tests are there to test the behaviour of your code, in an expressive and meaningful way, and...
Spring vs EJB. Can Spring replace EJB? [closed]
... Web services have taken over for EJBs. The EJB solution is dead. (Just my opinion.)
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Internal Error 500 Apache, but nothing in the logs?
...nal Server errors when I try to make an HTTP POST to a specific address in my app. I've looked into the server logs in the custom log directory specified in the virtual hosts file, but the error doesn't show up there so debugging this has been a pain in the ass.
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Why are Subjects not recommended in .NET Reactive Extensions?
... to grips with the Reactive Extensions framework for .NET and I am working my way through the various introduction resources I've found (mainly http://www.introtorx.com )
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How do I include a JavaScript file in another JavaScript file?
...e, still widely used in Node.js, is the module.exports/require system.
// mymodule.js
module.exports = {
hello: function() {
return "Hello";
}
}
// server.js
const myModule = require('./mymodule');
let val = myModule.hello(); // val is "Hello"
There are other ways for JavaScript ...
How do I set cell value to Date and apply default Excel date format?
...OI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
6 An...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
... very frequently asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation.
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