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ValueError : I/O operation on closed file
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Same error can raise by mixing: tabs + spaces.
with open('/foo', 'w') as f:
(spaces OR tab) print f <-- success
(spaces AND tab) print f <-- fail
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Can someone explain the right way to use SBT?
...kKey[Unit]("Fetch meaning of life")
fooTask := {
import scalaj.http._ // error: cannot resolve symbol
val response = Http("http://example.com").asString
...
}
However this will error saying missing import scalaj.http._. How is this possible when we, right above, added scalaj-http to libraryD...
Horizontal ListView in Android?
...on code of android 4.2.2 ListView. I must say that it doesn't have all the errors which previous version had and works great!
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How do I keep the screen on in my App? [duplicate]
...Don't Use Wake Lock.
It requires permission and other stuff and may cause error if you forget to set it in right time.
The easiest way is to use the below code when you want to keep your screen on..
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
One addition to the answ...
Don't reload application when orientation changes
... that activity and works fine. Now the question is why? Is there a logical error in my code? Idk, but I've tried debugging the app several times, and I can't find anything. Moreover I don't want to restart my activity, why can't we just adapt respective layout whenever configuration changes?
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Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
...ots of nested stuff, mapping everything can be confusing / easy to make an error. +1 though for a great solution for basic needs...wish this wasn't so complicated to filter for only a few properties instead of all! :/ ...maybe in the future Angular could add some built in functionality for filters o...
Input from the keyboard in command line application
...fies the number of bytes to read
///
///:returns: the string, or nil if an error was encountered trying to read Stdin
public func readln(max:Int = 8192) -> String? {
assert(max > 0, "max must be between 1 and Int.max")
var buf:Array<CChar> = []
var c = getchar()
while c ...
Make $JAVA_HOME easily changable in Ubuntu [closed]
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Yes, I agree with @AlainO'Dea. If there is any error in your script, you will not be able to login. Take care.
– Evan Hu
Feb 11 '15 at 1:56
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Checking a Python module version at runtime
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pkg_resources link is an Error 404
– gerrit
Nov 22 '19 at 16:00
For ...
Filter dict to contain only certain keys?
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Throws a KeyError if one of the filer keys is not present in old_dict. I would suggest {k:d[k] for k in filter if k in d}
– Peter Gibson
Jun 28 '12 at 1:53
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