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Restrict varchar() column to specific values?
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Personally, I'd code it as tinyint and:
Either: change it to text on the client, check constraint between 1 and 4
Or: use a lookup table with a foreign key
Reasons:
It will take on average 8 bytes to store text, 1 byte for tinyint. Over millions of rows,...
jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
I have this line of JavaScript and the behavior I am seeing is that the selectedLi instantly disappears without "sliding up". This is not the behavior that I expected.
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differences in application/json and application/x-www-form-urlencoded
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@buffer My understanding is using JSON as contentType helps when the data to be sent is more complex and involves a lot of hierarchy.. whereas form encoded is good to send simple params in url which can be read at the backend without to much c...
Prevent redirection of Xmlhttprequest
...s when sending XMLHttpRequest-s (i.e. to get the redirect status code back and handle it myself)?
4 Answers
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Can an input field have two labels?
Mary had a little form, and its fields where labeled just so.
Whenever an error crept in, confusion it would sow.
3 Answers...
How do I get the number of days between two dates in JavaScript?
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Here is a quick and dirty implementation of datediff, as a proof of concept to solve the problem as presented in the question. It relies on the fact that you can get the elapsed milliseconds between two dates by subtracting them, which coerc...
What's the difference between Task.Start/Wait and Async/Await?
...g something
You are.
what is the difference between doing Task.Wait and await task?
You order your lunch from the waiter at the restaurant. A moment after giving your order, a friend walks in and sits down next to you and starts a conversation. Now you have two choices. You can ignore your ...
Pushing empty commits to remote
... While this code may solve the question, including an explanation of how and why this solves the problem would really help to improve the quality of your post, and probably result in more up-votes. Remember that you are answering the question for readers in the future, not just the person asking n...
Android: I am unable to have ViewPager WRAP_CONTENT
...e biggest of its actual children, that is, only the currently visible item and the directly adjacent ones. Calling setOffscreenPageLimit(total number of children) on the ViewPager solves this and results in a ViewPager whose size is set to the biggest of all its items and never resizes. 2. WebViews...
Space between two rows in a table?
...class spaceUnder. This will make it possible to use nested tables. (Cell C and D in the example code.) I'm not too sure about browser support for the direct child selector (think IE 6), but it shouldn't break the code in any modern browsers.
/* Apply padding to td elements that are direct child...