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Rails update_attributes without save?
.../active_record/attribute_assignment.rb
Another cheat sheet:
http://www.davidverhasselt.com/set-attributes-in-activerecord/#cheat-sheet
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...t. You may want to check with your bank, because a lot of major banks provide merchant services. You may be able to get deals, because you are already a customer of theirs, but if not, then you can shop around. If you plan on accepting Discover or American Express, those will be separate, because...
Override devise registrations controller
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If you override a Devise controller like this, make sure you copy all views from app/views/devise/registrations to app/views/registrations/ (change for whichever controller you're overriding).
– Jamie Cobbett
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Where should I put tags in HTML markup?
....js"></script>
</head>
<body>
<div id="user-greeting">Welcome back, user</div>
</body>
</html>
Javascript:
// my-script.js
document.addEventListener("DOMContentLoaded", function() {
// this function runs when the DOM is ready, ...
SET versus SELECT when assigning variables?
... raise an error. SELECT will assign one of the values to the variable and hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one)
When assigning from a query if there is no value returned then SET wil...
Make Iframe to fit 100% of container's remaining height
...s "containing block" - which is not necessary the parent element. Simply said, it is the first element up the hierarchy that has position:relative or position:absolute. Or the body element itself if there is nothing else. So, when you say "width: 100%", it checks the width of the "containing block" ...
Rebasing a Git merge commit
...answered Jan 24 '11 at 16:01
siridesiride
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...ap String fields to VARCHAR(255) by default and I never bothered to override it).
7 Answers
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Read an Excel file directly from a R script
...character data (i.e., not comma-formatted numbers, dates, formulas with divide-by-zero errors, missing values, etc. etc. ..) I generally have no problem with this process.
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Truncating long strings with CSS: feasible yet?
... text with plain HTML and CSS, so that dynamic content can fit in a fixed-width-and-height layout?
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