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Adding two numbers concatenates them instead of calculating the sum
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Peter Mortensen
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answered Jan 24 '13 at 8:08
elclanrselclanrs
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What's the absurd function in Data.Void useful for?
...nature, where Void is the logically uninhabited type exported by that package:
6 Answers
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Best way to create an empty map in Java
...he latter sometimes when the compiler cannot automatically figure out what kind of Map is needed (this is called type inference). For example, consider a method declared like this:
public void foobar(Map<String, String> map){ ... }
When passing the empty Map directly to it, you have to...
Is DateTime.Now the best way to measure a function's performance?
I need to find a bottleneck and need to accurately as possible measure time.
15 Answers
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Free XML Formatting tool [closed]
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Then run: Menu Plugins, Xml Tools, Pretty Print (XML only - with line breaks)
Original answer (for older versions of Notepad++)
Notepad++ menu: TextFX -> HTML Tidy -> Tidy: Reindent XML
This feature however wraps XMLs and that makes it look 'unclean'.
To have no wrap,
open C:\Program ...
Reconnection of Client when server reboots in WebSocket
I am using web socket using PHP5 and the Chrome browser as client.
I have taken the code from the site http://code.google.com/p/phpwebsocket/ .
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delete map[key] in go?
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Strangely enough,
package main
func main () {
var sessions = map[string] chan int{};
delete(sessions, "moo");
}
seems to work. This seems a poor use of resources though!
Another way is to check for existence and use the value itself:
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What is the best way to get all the divisors of a number?
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Given your factorGenerator function, here is a divisorGen that should work:
def divisorGen(n):
factors = list(factorGenerator(n))
nfactors = len(factors)
f = [0] * nfactors
while True:
yield reduce(lambda x, y: x*y, [factors[x][0]**f[x] for x in range(nfactors)], 1)
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How do I check CPU and Memory Usage in Java?
I need to check CPU and memory usage for the server in java, anyone know how it could be done?
15 Answers
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Base64 encoding and decoding in client-side Javascript
... as Firefox, Chrome, Safari, Opera and IE10+ can handle Base64 natively. Take a look at this Stackoverflow question. It's using btoa() and atob() functions.
For server-side JavaScript (Node), you can use Buffers to decode.
If you are going for a cross-browser solution, there are existing libraries...