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SQL selecting rows by most recent date

Using the following query and results, I'm looking for the most recent entry where the ChargeId and ChargeType are unique. ...
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Ruby on Rails: How do I add placeholder text to a f.text_field?

...text to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text? ...
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How can I switch my git repository to a particular commit

... a new branch (locally): With the commit hash (or part of it) git checkout -b new_branch 6e559cb or to go back 4 commits from HEAD git checkout -b new_branch HEAD~4 Once your new branch is created (locally), you might want to replicate this change on a remote of the same name: How can I push...
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What are the correct link options to use std::thread in GCC under linux?

Hi I am trying to use std::thread with G++. Here is my test code 5 Answers 5 ...
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Get position of UIView in respect to its superview's superview

I have a UIView, in which I have arranged UIButtons. I want to find the positions of those UIButtons. 7 Answers ...
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Passport.js - Error: failed to serialize user into session

I got a problem with the Passport.js module and Express.js. 6 Answers 6 ...
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Pandas get topmost n records within each group

Suppose I have pandas DataFrame like this: 3 Answers 3 ...
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Parse string to date with moment.js

...nt to parse the following string with moment.js 2014-02-27T10:00:00 and output day month year (14 march 2014) I have been reading the docs but without success http://momentjs.com/docs/#/parsing/now/ ...
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Ruby: Merging variables in to a string

I'm looking for a better way to merge variables into a string, in Ruby. 7 Answers 7 ...
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How does a Linux/Unix Bash script know its own PID?

... answered Mar 22 '10 at 15:53 Paul TomblinPaul Tomblin 162k5555 gold badges299299 silver badges392392 bronze badges ...