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What is the difference between IEqualityComparer and IEquatable?
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IEqualityComparer<T> is an interface for an object that performs the comparison on two objects of the type T.
IEquatable<T> is for an object of type T so that it can compare itself to another of the same type.
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Is there a way to iterate over a dictionary?
I know NSDictionaries as something where you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there som...
How to add calendar events in Android?
I'm just getting up to speed on Android, and today in a project meeting someone said that Android has no native calendar app so users just use whatever calendar app they like.
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Visual Studio 2010 - C++ project - remove *.sdf file
I would like to know if I can safely delete the sdf file that stores information for Visual Studios Intellisense - is it going to be rebuilt the next time that I open the solution?
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How to add a “open git-bash here…” context menu to the windows explorer?
How to add a context (aka right click) menu to the windows explorer that, when clicked, opens the git-bash console in the current explorer folder?
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How to search and replace globally, starting from the cursor position and wrapping around the end of
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1. It is not hard to achieve the behavior using a two-step substitution:
:,$s/BEFORE/AFTER/gc|1,''-&&
First, the substitution command is run for each line starting from
the current one until the end of file:
,$s/BEFORE/AFTER/gc
Then, that :substitute command ...
How to convert a char to a String?
I have a char and I need a String . How do I convert from one to the other?
12 Answers
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How to convert a PNG image to a SVG? [closed]
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potrace does not support PNG as input file, but PNM.
Therefore, first convert from PNG to PNM:
convert file.png file.pnm # PNG to PNM
potrace file.pnm -s -o file.svg # PNM to SVG
Explain options
potrace -s => Output file is SVG
potrace -o f...
How to uncompress a tar.gz in another directory
...ry if you prefer long options) to give the target directory of your choice in case you are using the Gnu version of tar. The directory should exist:
mkdir foo
tar -xzf bar.tar.gz -C foo
If you are not using a tar capable of extracting to a specific directory, you can simply cd into your target d...
How to check String in response body with mockMvc
I have simple integration test
11 Answers
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