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How to modify a global variable within a function in bash?
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var="$(myfunc)"
echo "$var"
Gives:
Hello
For a numerical value from 0-255, you can use return to pass the number as the exit status:
mysecondfunc() {
echo "Hello"
return 4
}
var="$(mysecondfunc)"
num_var=$?
echo "$var - num is $num_var"
Gives:
Hello - num is 4
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 23 '11 at 13:07
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Which iomanip manipulators are 'sticky'?
...there are requirements on formatted output operations to explicitly .width(0) the output stream.
The following is the discussion that lead to the above conclusion:
Looking at the code the following manipulators return an object rather than a stream:
setiosflags
resetiosflags
setbase
setfill
se...
Can you do greater than comparison on a date in a Rails 3 search?
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answered Nov 19 '10 at 11:43
Simone CarlettiSimone Carletti
160k3939 gold badges336336 silver badges353353 bronze badges
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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller
...sing code here
//If not using MVC5
return new HttpStatusCodeResult(200);
//If using MVC5
return new HttpStatusCodeResult(HttpStatusCode.OK); // OK = 200
}
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Detect iPad users using jQuery?
...user agent?
– albanx
Jan 21 '11 at 20:21
6
One typo (should be iPad instead of iPod) "a" not "o"....
Python Request Post with param data
...could split out the URL parameters as well:
params = {'sessionKey': '9ebbd0b25760557393a43064a92bae539d962103', 'format': 'xml', 'platformId': 1}
then post your data with:
import requests
url = 'http://192.168.3.45:8080/api/v2/event/log'
data = {"eventType": "AAS_PORTAL_START", "data": {"uid":...
How do I get the difference between two Dates in JavaScript?
...a call to getTime().
So basically: date.getTime() === date.valueOf() === (0 + date) === (+date)
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console.log timestamps in Chrome?
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Valdimar
30466 silver badges1818 bronze badges
answered Jun 17 '14 at 9:34
Krzysztof WolnyKrzysztof Wolny
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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edited May 19 '14 at 20:52
answered May 19 '14 at 20:47
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