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Example of UUID generation using Boost in C++
... It wouldn't be a very good universally unique ID if using a new generator caused uniqueness problems.
– xaxxon
Sep 16 '16 at 0:45
...
What is an example of the simplest possible Socket.io example?
.... That being said, here is the original answer updated small-small for the newer API.
Just because I feel nice today:
index.html
<!doctype html>
<html>
<head>
<script src='/socket.io/socket.io.js'></script>
<script>
var socket = ...
Changing website favicon dynamically
...if ($favicon !== null) {
$favicon.href = link
// Otherwise, create a new element and append it to <head>.
} else {
$favicon = document.createElement("link")
$favicon.rel = "icon"
$favicon.href = link
document.head.appendChild($favicon)
}
}
You can then use it like t...
How can I split a string into segments of n characters?
...abc", "d"]
A couple more subtleties:
If your string may contain newlines (which you want to count as a character rather than splitting the string), then the . won't capture those. Use /[\s\S]{1,3}/ instead. (Thanks @Mike).
If your string is empty, then match() will return null when you ma...
How do I get the n-th level parent of an element in jQuery?
...g 17 '11 at 13:37
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
...
In Docker, what's the difference between a container and an image? [duplicate]
...a911d0243e95556e229c8e0873b623eeed4c7816268db090dfdd149c2
Now, we have a new image with our really important file:
$ docker run ubuntu-foo /bin/cat foo
This is a really important file!!!!
Try the command docker images. You should see your new image ubuntu-foo listed along with the ubuntu standa...
What's the difference between the various methods to get a Context?
...e
the Context you have.
That was from a post on the android-developers newsgroup, you may want to consider asking your question there as well, because a handful of the people working on Android actual monitor that newsgroup and answer questions.
So overall it seems preferable to use the global ...
Eclipse: Set maximum line length for auto formatting?
...make these changes in if you using one of the [Built-in] ones. Just click "New..." on the formatter preferences page.
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Android image caching
...
And now the punchline: use the system cache.
URL url = new URL(strUrl);
URLConnection connection = url.openConnection();
connection.setUseCaches(true);
Object response = connection.getContent();
if (response instanceof Bitmap) {
Bitmap bitmap = (Bitmap)response;
}
Provides b...
Sqlite primary key on multiple columns
...ent, it is an error." Yes, the railroad diagrams might indicate that is valid as well, but the text below clarifies that it is not.
– Brian Campbell
Mar 23 '11 at 19:03
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