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Get “Internal error in the expression evaluator” on “Add watch” function when trying to debug WCF se
Few days ago I moved my solution to MSVS 2013. It works fine except one thing: when I trying to debug code of my WCF service it works, but when I want to watch state of any variable it says: "Internal error in the expression evaluator". Add watch function works normal on client side, but in service...
What is an optional value in Swift?
...It's either nil or it's "Bob". This is not true, the optional doesn't transform into something else. Comparing it to nil is a trick to make easier-to-read code. If an optional equals nil, this just means that the enum is currently set to .none.
Only optionals can be nil
If you try to set a non-opti...
What reason is there to use null instead of undefined in JavaScript?
...ed Jan 22 '18 at 9:44
informatik01
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answered Jul 7 '11 at 1:08
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What are the Ruby Gotchas a newbie should be warned about? [closed]
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edited Dec 16 '08 at 22:01
community wiki
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Firing a double click event from a WPF ListView item using MVVM
...ng anyway.
– Gunter
Jun 10 '11 at 7:01
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What are the differences between concepts and template constraints?
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The following information is out of date. It needs to be updated according to the latest Concepts Lite draft.
Section 3 of the constraints proposal covers this in reasonable depth.
The concepts proposal has been put on the back burners fo...
How do I use the nohup command without getting nohup.out?
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Mark ReedMark Reed
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Media Queries: How to target desktop, tablet, and mobile?
... (Nook/Kindle), landscape 800x480 phones (Android) */ }
@media (min-width:801px) { /* tablet, landscape iPad, lo-res laptops ands desktops */ }
@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */ }
@media (min-width:1281px) { /* hi-res laptops and desktops */ }
Edit: Ref...
Bomb dropping algorithm
...ave exactly the same minimum vertex cover for original vertices. Such transformation allows to align graph vertices to arbitrary positions on the grid.
If we place graph vertices only to even rows and columns (in such a way that no two edges incident to one vertex form an acute angle), insert "on...
Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
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– Mawg says reinstate Monica
Feb 4 '15 at 13:01
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I use 0o in python 2.7.10
– Wyrmwo...