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Add leading zeroes/0's to existing Excel values to certain length

There are many, many questions and quality answers on SO regarding how to prevent leading zeroes from getting stripped when importing to or exporting from Excel. However, I already have a spreadsheet that has values in it that were truncated as numbers when, in fact, they should have been handled a...
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Ruby Arrays: select(), collect(), and map()

..., but a Hash. You can also use select here, but the block is given the key and value in this case: irb(main):001:0> h = {:sku=>"507772-B21", :desc=>"HP 1TB 3G SATA 7.2K RPM LFF (3 .", :qty=>"", :qty2=>"1", :price=>"5,204.34 P"} irb(main):002:0> h.select { |key, value| !value.em...
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Format Instant to String

I'm trying to format an Instant to a String using the new java 8 time-api and a pattern: 7 Answers ...
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Stop caching for PHP 5.5.3 in MAMP

...lines at the end of the php.ini file (MAMP/bin/php/[version]/conf/php.ini) and make sure to stop and start the servers for the changes to take effect. I updated the URI, the changes can be reflective by also changing /conf/ under the php folder, but it seems MAMP will ignore these after restart. ...
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Check if something is (not) in a list in Python

I have a list of tuples in Python , and I have a conditional where I want to take the branch ONLY if the tuple is not in the list (if it is in the list, then I don't want to take the if branch) ...
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RESTful Alternatives to DELETE Request Body

...sing after evaluating the other options mentioned in the question/answers, and after collaborating with consumers of the service. While the use of the message body is not ideal, none of the other options were perfectly fitting either. The request body DELETE allowed us to easily and clearly add sem...
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NSInvocation for Dummies?

...message rendered static, that is, it is an action turned into an object. And, in a little more detail: The concept of messages is central to the objective-c philosophy. Any time you call a method, or access a variable of some object, you are sending it a message. NSInvocation comes in handy when ...
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UIView Hide/Show with animation

My simple goal is to fade animate hiding and showing functions. 21 Answers 21 ...
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How to specify in crontab by what user to run script? [closed]

...xample all folders created in process of that cron job are under user root and group root. How can i make it to run under user www-data and group www-data so when i run scripts from my website i can manipulate those folders and files? ...
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asp.net mvc put controllers into a separate project

I'm just learning asp.net mvc and I'm trying to figure out how to move my controllers into a separate project. Typically when I have designed asp.net web apps before, I created one project for my models, another for my logic, and then there was the web. ...