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How can I convert a string to boolean in JavaScript?
Can I convert a string representing a boolean value (e.g., 'true', 'false') into a intrinsic type in JavaScript?
83 Answers...
How to select where ID in Array Rails ActiveRecord without exception
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If it is just avoiding the exception you are worried about, the "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.c...
Is there a difference between “throw” and “throw ex”?
There are some posts that asks what the difference between those two are already. (why do I have to even mention this...)
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Why does javascript map function return undefined?
...eing in the result.
The map function is used to map one value to another, but it looks you actually want to filter the array, which a map function is not suitable for.
What you actually want is a filter function. It takes a function that returns true or false based on whether you want the item in...
What should I name a table that maps two tables together? [closed]
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There are only two hard things in
Computer Science: cache invalidation
and naming things-- Phil Karlton
Coming up with a good name for a table that represents a many-to-many relationship makes the relationship easier to read and understand. Someti...
Aborting a stash pop in Git
... I wanted to keep. I don't just want to make the merge conflict disappear, but also to get my directory back to the state it was before the pop.
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What are the underlying data structures used for Redis?
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I'll try to answer your question, but I'll start with something that may look strange at first: if you are not interested in Redis internals you should not care about how data types are implemented internally. This is for a simple reason: for every Redis oper...
Clicking the back button twice to exit an activity
...his pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit".
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Convert base-2 binary number string to int
I'd simply like to convert a base-2 binary number string into an int, something like this:
8 Answers
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What's the difference between dynamic (C# 4) and var?
I had read a ton of articles about that new keyword that is shipping with C# v4, but I couldn't make out the difference between a "dynamic" and "var".
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