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Does const mean thread-safe in C++11?
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Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location.
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The execution of a program contains a data race if it contains two conflicting actions in different threads, at least one of which ...
How to get the last value of an ArrayList
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Won't work. what if the list is empty, list.size() will return 0. and you'll end up with list.get(-1);
– FRR
Jan 21 '15 at 19:36
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getString Outside of a Context or Activity
I've found the R.string pretty awesome for keeping hardcoded strings out of my code, and I'd like to keep using it in a utility class that works with models in my application to generate output. For instance, in this case I am generating an email from a model outside of the activity.
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How do I get the first n characters of a string without checking the size or going out of bounds?
...f a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ?
9 Ans...
Mimicking sets in JavaScript?
I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties:
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
...e my lessons learned:
You can easily use Lucene/Solr in lieu of MongoDB for pretty much all situations, but not vice versa. Grant Ingersoll's post sums it up here.
MongoDB etc. seem to serve a purpose where there is no requirement of searching and/or faceting. It appears to be a simpler and arguab...
What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
When should certain image file types be used when building websites or interfaces, etc?
13 Answers
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Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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Should I always return IEnumerable instead of IList?
When I'm writing my DAL or other code that returns a set of items, should I always make my return statement:
14 Answers
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What is a Shim?
...pts an API, changing the parameters passed, handling the operation itself, or redirecting the operation elsewhere. Shims typically come about when the behaviour of an API changes, thereby causing compatibility issues for older applications that still rely on the older functionality. In these cases, ...