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Send message to specific client with socket.io and node.js
...and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
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How to align absolutely positioned element to center?
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Ya I have tried this, but the canvas "start" from middle but not "placed" in the middle of the screen. Is there anyway to set left:50% and move the canvas to left again?
– PaulLing
Oct 11 '11 at 2:21
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Java enum - why use toString instead of name
...eone correctly changes the toString() return, then it was already broken.
From the javadoc (emphasis mine) :
Returns a string representation of the object. In general, the
toString method returns a string that "textually represents" this
object. The result should be a concise but informativ...
Looking for a clear definition of what a “tokenizer”, “parser” and...
... other token is an equality operator.
A parser takes the stream of tokens from the lexer and turns it into an abstract syntax tree representing the (usually) program represented by the original text.
Last I checked, the best book on the subject was "Compilers: Principles, Techniques, and Tools" us...
What does auto do in margin:0 auto?
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From the CSS specification on Calculating widths and margins for Block-level, non-replaced elements in normal flow:
If both 'margin-left' and 'margin-right' are 'auto', their used values are equal. This horizontally cente...
EJB's - when to use Remote and/or local interfaces?
... can do it by means of configuration only.
A special note about switching from local to remote: note that there are a few semantic differences between the two. For example, calling an EJB method via its "remote interface" results in arguments being passed by-value, while calling through the "local ...
How to add an extra column to a NumPy array
...array, but it's not working. I am getting "could not broadcast input array from shape (985) into shape (985,1)" error. What is wrong with my code? Code: np.hstack(data, data1)
– Outlier
Dec 10 '14 at 15:28
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How to sort a file, based on its numerical values for a field?
...15
output.log.16
output.log.17
output.log.18
output.log.19
output.log.20
from man page:
-V, --version-sort
natural sort of (version) numbers within text
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Add a tooltip to a div
...oltip to be clickable - this blurs links and tooltips, preventing the user from knowing whether a highlighted word will 1) give them more information or 2) take them to another page entirely. In general, bad practice.
– sscirrus
Apr 14 '14 at 22:33
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Printing a variable memory address in swift
...s there anyway to simulate the [NSString stringWithFormat:@"%p", myVar] , from Objective-C, in the new Swift language?
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