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How to send a message to a particular client with socket.io
I'm starting with socket.io + node.js, I know how to send a message locally and to broadcast socket.broadcast.emit() function:- all the connected clients receive the same message.
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How do you add CSS with Javascript?
...sheet.insertRule('strong { color: red; }', sheet.cssRules.length);
...on all but (naturally) IE8 and prior, which uses its own marginally-different wording:
sheet.addRule('strong', 'color: red;', -1);
There is a theoretical advantage in this compared to the createElement-set-innerHTML method, i...
display: inline-block extra margin [duplicate]
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The alternative is to use float:left on all the elements and set the container to overflow:auto to clear it
– bcoughlan
Apr 4 '11 at 18:41
4
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How do you list the active minor modes in emacs?
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C-h m or M-x describe-mode shows all the active minor modes (and major mode) and a brief description of each.
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What's the Point of Multiple Redis Databases?
...ce are no different than schemas in RDBMS database instances.
So, with all of that said, why/when would I ever want to use multiple
Redis databases instead of just spinning up an extra instance of Redis
for each extra database I want?
There's one clear advantage of using redis databases in...
Visual Studio 2010 annoyingly opens documents in wrong MDI pane
...ng the window layout and see if that fixes it.
First, Window -> Close All Documents
Then, Window -> Reset Window Layout
Exit VS to be sure, then go back in.
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How to add a filter class in Spring Boot?
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You don't need filter bean when you call the method someFilter() directly.
– wst
Mar 14 '17 at 7:57
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Why should we typedef a struct so often in C?
...As Greg Hewgill said, the typedef means you no longer have to write struct all over the place. That not only saves keystrokes, it also can make the code cleaner since it provides a smidgen more abstraction.
Stuff like
typedef struct {
int x, y;
} Point;
Point point_new(int x, int y)
{
Point a...
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...s of simple selectors.
The :nth-child() pseudo-class counts elements among all of their siblings under the same parent. It does not count only the siblings that match the rest of the selector. Similarly, the :nth-of-type() pseudo-class counts siblings sharing the same element type, which refers to t...
How do I stop Notepad++ from showing autocomplete for all words in the file
...ontent-policy\"\u003e(content policy)\u003c/a\u003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
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