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Why do we need virtual functions in C++?
..."I'm eating generic food."
func(cat); // Outputs: "I'm eating a rat."
Done.
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Two divs, one fixed width, the other, the rest
...px;
margin-left: 10px;
border: 2px dashed #00f;
}
You can also do it with display: table, which is usually a better approach: How can I put an input element on the same line as its label?
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Ruby 'require' error: cannot load such file
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Just do this:
require_relative 'tokenizer'
If you put this in a Ruby file that is in the same directory as tokenizer.rb, it will work fine no matter what your current working directory (CWD) is.
Explanation of why this is the ...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...e
that substitution command was run. (The '' address refers to the
' pseudo-mark; see :help :range and :help '' for details.)
Note that the second command (after the | command separator—see
:help :bar) does not require any change when the pattern or flags
are altered in the first one.
2. To sa...
What __init__ and self do on Python?
... learning the Python programming language and I've came across something I don't fully understand.
18 Answers
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How do I get the current date in JavaScript?
How do I get current date in JavaScript?
56 Answers
56
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How to convert IEnumerable to ObservableCollection?
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@Rexxo it will be slightly faster to do it with the constructor. Internally it is using a foreach to copy the items to the internal collection, however if you do the foreach and call Add it will be going through InsertItem which does a lot of extra stuff that is...
Is there a way to programmatically scroll a scroll view to a specific edit text?
...with various fields that the user must fill in. I have a checkbox half way down my form, and when the user checks it I want to scroll to a specific part of the view. Is there any way to scroll to an EditText object (or any other view object) programmatically?
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Can I get a patch-compatible output from git-diff?
I am doing something very simple wrong. I'm trying to prepare an ordinary patch file, so I can reapply some changes:
5 Ans...
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...ng thread is free to see a partially constructed map. This can pretty much do anything and even in practice it does things like put the reading thread into an infinite loop.
To safely publish the map, you need to establish a happens-before relationship between the writing of the reference to the Ha...