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Why would you use Expression rather than Func?

...ment and submits it to server (rather than executing the lambda). Conceptually, Expression<Func<T>> is completely different from Func<T>. Func<T> denotes a delegate which is pretty much a pointer to a method and Expression<Func<T>> denotes a tree data structure f...
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Difference between Visibility.Collapsed and Visibility.Hidden

...have focus, you can't navigate to the control using the TAB key, etcetera, all of which still can if it would have a height and width of zero. But again, in terms of layout, you could say that. – Razzie May 20 '09 at 8:45 ...
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Pass mouse events through absolutely-positioned element

...eloper.mozilla.org/en/css/pointer-events It is not supported up to IE 11; all other vendors support it since quite some time (global support was ~92% in 12/'16): http://caniuse.com/#feat=pointer-events (thanks to @s4y for providing the link in the comments). ...
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'any' vs 'Object'

...ate an error telling you exactly that. If you use any instead you are basically telling the transpiler that anything goes, you are providing no information about what is stored in a - it can be anything! And therefore the transpiler will allow you to do whatever you want with something defined as an...
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How do I kill all the processes in Mysql “show processlist”?

...I see a lot of processes there, and the "time" column shows big values for all of them. 23 Answers ...
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Understanding recursion [closed]

...A binary tree is a tree made of nodes that have exactly two children, typically called "left" and "right"; again the children can be nodes, or null. A root is a node that is not the child of any other node. Imagine that a node, in addition to its children, has a value, a number, and imagine that we...
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public friend swap member function

...truct vector { void swap(vector&) { /* swap members */ } }; Naturally, then, our class should too, right? Well, not really. The standard library has all sorts of unnecessary things, and a member swap is one of them. Why? Let's go on. What we should do is identify what's canonical, and w...
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Drawing a dot on HTML5 canvas [duplicate]

...ript> tags. That is it works if I put it in the body but I like to have all my script code in the <head> section of my HTML. – Doug Hauf Feb 20 '14 at 18:59 10 ...
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Bash if [ false ] ; returns true

...ce "false" is a non-empty string, the test command always succeeds. To actually run the command, drop the [ command. if false; then echo "True" else echo "False" fi share | improve this answ...
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How to get process ID of background process?

...olling terminal. A script will not necessarily have a terminal attached at all so job control will not necessarily be available. share | improve this answer | follow ...