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Git says “Warning: Permanently added to the list of known hosts”
Every time I use git to interact with a remote, such as when pulling or pushing, I am shown the following message:
15 Answe...
How to reshape data from long to wide format
I'm having trouble rearranging the following data frame:
11 Answers
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Why is a combiner needed for reduce method that converts type in java 8
I'm having trouble fully understanding the role that the combiner fulfils in Streams reduce method.
4 Answers
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PG::ConnectionBad - could not connect to server: Connection refused
Every time I run my rails 4.0 server, I get this output.
32 Answers
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C++: What is the size of an object of an empty class?
I was wondering what could be the size of an object of an empty class . It surely could not be 0 bytes since it should be possible to reference and point to it like any other object. But, how big is such an object?
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jQuery get mouse position within an element
...ng to craft a control where a user could click inside a div, then drag the mouse, then let up on the mouse in order to indicate how long they want something to be. (This is for a calendar control, so the user will be indicating the length, in time, of a certain event)
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Get first n characters of a string
...et the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
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Import file size limit in PHPMyAdmin
I have changed all the php.ini parameters I know:
upload_max_filesize , post_max_size .
27 Answers
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Find an item in List by LINQ?
Here I have a simple example to find an item in a list of strings. Normally I use for loop or anonymous delegate to do it like this:
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Remove padding from columns in Bootstrap 3
Problem:
26 Answers
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