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Does Android support near real time push notification?
...ful, highly extensible and easy to integrate and use.
There are loads of free XMPP servers (though out of courtesy you shouldn't abuse them) and there are open source servers you can run on one of your own boxes. OpenFire is an excellent choice.
The library you want isn't Smack as noted above, it...
How Do I Document Packages in Java?
...
As of 1.5 you can define a package-info.java file and provide a standard javadoc style comment for a package:
com/foo/package-info.java:
/**
* com.foo is a group of bar utils for operating on foo things.
*/
package com.foo;
//rest of the file is empty
L...
The Definitive C++ Book Guide and List
... people, the final draft before standardization is more than adequate (and free). Many will prefer an even newer draft, documenting new features that are likely to be included in C++20.
Overview of the New C++ (C++11/14) (PDF only) (Scott Meyers) (updated for C++14) These are the presentation mater...
Large-scale design in Haskell? [closed]
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@Dan You can get away completely free with smaller changes (like just adding a field) when you use records. Some may want to make records a habit (I'm one of them ^^").
– MasterMastic
Sep 10 '14 at 10:17
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How to read a line from the console in C?
...lloc(linep, lenmax *= 2);
if(linen == NULL) {
free(linep);
return NULL;
}
line = linen + (line - linep);
linep = linen;
}
if((*line++ = c) == '\n')
break;
}
*line = '\0';
return ...
How to convert timestamps to dates in Bash?
...ring is too complex to be documented in the manpage, so it is described in info: info '(coreutils) date invocation'
– MByD
Mar 23 '16 at 8:48
11
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Comparison of CI Servers? [closed]
...that is NOT only dealing with x vs. y Thats why it is community wiki, feel free to extract the conclusion from the referenced links.
– Johannes Rudolph
Sep 17 '09 at 14:21
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Quit and restart a clean R session from within R?
... I find the .rs.restartR() useful for cases where R wouldn't free up memory even after remove(list=ls()); gc();. This definitely frees up the memory. I also like the fact that it doesn't detach packages.
– Richard DiSalvo
Apr 20 '17 at 17:09
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How can I keep Bootstrap popovers alive while being hovered?
I am using a Bootstrap popover to create a hover card showing user info, and I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this?
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socket.error: [Errno 48] Address already in use
...RT") | sort -R | head -n 1
Set that up as a executable with the name get-free-port and you can do something like this:
someprogram --port=$(get-free-port)
That's not as reliable as the native Python approach because the bash script doesn't capture the port -- another process could grab the port...