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Blocks and yields in Ruby
I am trying to understand blocks and yield and how they work in Ruby.
10 Answers
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How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
I have a innoDB table which records online users. It gets updated on every page refresh by a user to keep track of which pages they are on and their last access date to the site. I then have a cron that runs every 15 minutes to DELETE old records.
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Javascript How to define multiple variables on a single line?
Reading documentation online, I'm getting confused how to properly define multiple JavaScript variables on a single line.
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How to delete multiple values from a vector?
I have a vector like: a = c(1:10) and I need to remove multiple values, like: 2, 3, 5
8 Answers
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How do you get the list of targets in a makefile?
I've used rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg
20 Answers
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What are the applications of binary trees?
I am wondering what the particular applications of binary trees are. Could you give some real examples?
17 Answers
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How can I use the $index inside a ng-repeat to enable a class and show a DIV?
I have a set of <li> elements.
2 Answers
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Sorting an array of objects by property values
I've got the following objects using AJAX and stored them in an array:
30 Answers
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Does every Core Data Relationship have to have an Inverse?
Let's say I have two Entity classes: SocialApp and SocialAppType
8 Answers
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Remove all values within one list from another list? [duplicate]
I am looking for a way to remove all values within a list from another list.
7 Answers
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