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When to use symbols instead of strings in Ruby?

... Yes. @AlanDert: But to print out a symbol on html page, it should be converted to string, shouldn't it? what's the point of using it then? What is the type of an input? An identifier of the type of input you want to use or something you want to show to the user? It is true that it will bec...
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How do I split a string on a delimiter in Bash?

... No, I don't think this works when there are also spaces present... it's converting the ',' to ' ' and then building a space-separated array. – Ethan Apr 12 '13 at 22:47 12 ...
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How do you change text to bold in Android?

How do you change text/font settings in an Android TextView ? 19 Answers 19 ...
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What does '

... It's a shorthand for <?php echo $a; ?>. It's enabled by default since 5.4 regardless of php.ini settings. share | improve this an...
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How to move a model between two Django apps (Django 1.7)

...eld. Then run python manage.py makemigrations After doing Ozan's steps, re-convert your foreign keys: put back ForeignKey(TheModel)instead of IntegerField(). Then make the migrations again (python manage.py makemigrations). You can then migrate and it should work (python manage.py migrate) Hope it...
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How to search file text for a pattern and replace it with a given value

...en you try to mv the file across a device mount you will transparently get converted to cp behavior. The old file will be opened, the old files inode will be preserved and reopened and the file contents will be copied. This is most likely not what you want, and you may run into "text file busy" err...
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How to add a custom right-click menu to a webpage?

.... It's very useful and the same jQuery used in this answer could easily be converted to standard JavaScript commands. It may not be 100% inline with the request in the original question, but it's definitely 95% inline with it. – The Duke Of Marshall שלום Ap...
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How to declare an ArrayList with values? [duplicate]

ArrayList or List declaration in Java has questioned and answered how to declare an empty ArrayList but how do I declare an ArrayList with values? ...
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React.js: Wrapping one component into another

...es, sometimes not. Choose wisely and don't bindly follow the 2018 trend of converting everything to render-props. share | improve this answer | follow | ...
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What is a magic number, and why is it bad? [closed]

...tion("password"); } } } It improves readability of the code and it's easier to maintain. Imagine the case where I set the size of the password field in the GUI. If I use a magic number, whenever the max size changes, I have to change in two code locations. If I forget one, this will l...