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How to make button look like a link?
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If you don't want all buttons to be styled as links, scope the style with something like button.link {...styles...} then <button class="link">Your button</button>. This also avoids using !important which is always a good idea.
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Checking for empty queryset in Django
...ist before the check is made. In my case execution time went down by three orders.
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YouTube API to fetch all videos on a channel
...ey={your_key_here}&channelId={channel_id_here}&part=snippet,id&order=date&maxResults=20
After that you will receive a JSON with video ids and details, and you can construct your video URL like this:
http://www.youtube.com/watch?v={video_id_here}
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How to paste yanked text into the Vim command line
..., and @a will replay the macro (probably you knew that one, very useful in order to avoid repetitive tasks)
cf. :help q, help @
Corollary from the previous example: If you have 8go in the clipboard, then @+ will play the clipboard contents as a macro, and thus go to the 8th byte of your file. Actu...
How can I efficiently select a Standard Library container in C++11?
...iative container
If you need to have the elements sorted, then you need an ordered associative container
Otherwise, jump to the question 2.
Question 1.1: Ordered ?
If you do not need a specific order, use an unordered_ container, otherwise use its traditional ordered counterpart.
Question 1.2:...
What does the line “#!/bin/sh” mean in a UNIX shell script?
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It's called a shebang, and tells the parent shell which interpreter should be used to execute the script.
e.g.
#!/usr/bin/perl <--perl script'
#!/usr/bin/php <-- php script
#!/bin/false <--- do-nothing script, because ...
Get object by id()? [duplicate]
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repr outputs the hexadecimal representation of id(a), in order to use ctypes one must convert it back to decimal by using int(hexid, 0). just my two cents here
– architectonic
Mar 18 '16 at 9:07
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passport.js passport.initialize() middleware not in use
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Follow the example to avoid the out-of-order middleware hell that express makes it so easy to enter. Straight from the docs. Note how yours does not match this exactly.
var app = express();
app.use(require('serve-static')(__dirname + '/../../public'));
app.use(re...
Why not use tables for layout in HTML? [closed]
...other important things are accessibility and SEO.
Both care about in what order information is presented. You cannot easily present your navigation at the top of the page if your table-based layout puts it in the 3rd cell of the 2nd row of the 2nd nested table on the page.
So your answers are main...
What is Weak Head Normal Form?
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@Zorobay: In order to print the result, GHCi ends up evaluating the expression completely to NF, not just to WHNF. One way to tell the difference between the two variants is to enable memory stats with :set +s. You can then see that foldl...