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Why would a JavaScript variable start with a dollar sign? [duplicate]
I quite often see JavaScript with variables that start with a dollar sign. When/why would you choose to prefix a variable in this way?
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Adding a library/JAR to an Eclipse Android project
...g class problem.
I'm an Eclipse Java EE developer and have been in the habit for many years of adding third-party libraries via the "User Library" mechanism in Build Path. Of course, there are at least 3 ways to add a third-party library, the one I use is the most elegant, in my humble opinion.
Th...
Check if a path represents a file or a folder
...ath for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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Creating runnable JAR with Gradle
...il now I created runnable JAR files via the Eclipse "Export..." functionallity but now I switched to IntelliJ IDEA and Gradle for build automation.
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JavaScript variable number of arguments to function
Is there a way to allow "unlimited" vars for a function in JavaScript?
11 Answers
11
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brew install mysql on macOS
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I think one can end up in this position with older versions of mysql already installed. I had the same problem and none of the above solutions worked for me. I fixed it thus:
Used brew's remove & cleanup commands, unloaded the launchctl script, then dele...
Is there an easy way to attach source in Eclipse?
...mment documentation / parameter names when completing code that you have written and ALSO code that you are referencing (various libraries/assemblies).
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Django: How to manage development and production settings?
I have been developing a basic app. Now at the deployment stage it has become clear I have need for both a local settings and production settings.
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Row count with PDO
...ber_of_rows = $result->fetchColumn();
Not the most elegant way to do it, plus it involves an extra query.
PDO has PDOStatement::rowCount(), which apparently does not work in MySql. What a pain.
From the PDO Doc:
For most databases,
PDOStatement::rowCount() does not
return the number ...
Business logic in MVC [closed]
...e delete button in the view is disabled for certain entries - but the rule itself isn't contained in the view.
The model is ultimately gatekeeper for your data. You should be able to test your business logic without touching the UI at all.
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