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Do you leave parentheses in or out in Ruby? [closed]

... From the Elements of Ruby Style Ruby allows you to leave out parenthesis, in general, resist this temptation. Parenthesis make the code easier to follow. General Ruby style is to use them, except in the following cases: Always leave out empty ...
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In Vim, how do I apply a macro to a set of lines?

...at performs an operation on a single line. I want to repeat that macro on all of the remaining lines in the file. Is there a quick way to do this? ...
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How to find the foreach index?

... This should be useful if you want to use a plain old PHP associative array to store data which is to be exposed via the Iterable interface (where you need to keep track of where you are in a loop). – Peter Dec 15 '11 at 21:33 ...
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How can I debug a .BAT script?

...o step through a .bat script? The thing is, I have a build script , which calls a lot of other scripts, and I would like to see what is the order in which they are called, so that I may know where exactly I have to go about and add my modifications. ...
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MySQL - force not to use cache for testing speed of query

...ache in action! Worth the read. databasejournal.com/features/mysql/article.php/3110171/… – Adrian P. Feb 20 '14 at 18:03 1 ...
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Folder structure for a Node.js project

... Concerning the folders you mentioned: /libs is usually used for custom classes/functions/modules /vendor or /support contains 3rd party libraries (added as git sub-module when using git as source control) /spec contains specifications for BDD tests. /tests contains the unit-...
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Storing images in SQL Server?

I have made a small demo site and on it I am storing images within a image column on the sql server. A few questions I have are... ...
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How to identify unused css definitions

...l and it shows me the unused css, but how to use it then? Do I have to manually search each item and remove it? – Timothée HENRY Feb 27 '13 at 14:35 19 ...
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Turn off constraints temporarily (MS SQL)

I'm looking for a way to temporarily turn off all DB's constraints (eg table relationships). 5 Answers ...
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Increasing (or decreasing) the memory available to R processes

... the error that R has run out of memory. If you have R already installed and subsequently install more RAM, you may have to reinstall R in order to take advantage of the additional capacity. You may also set the amount of available memory manually. Close R, then right-click o...