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What is the preferred syntax for defining enums in JavaScript?

... This isn't much of an answer, but I'd say that works just fine, personally Having said that, since it doesn't matter what the values are (you've used 0, 1, 2), I'd use a meaningful string in case you ever wanted to output the current value. ...
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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con

...able of a class with the mutable keyword. As far as I can see it simply allows you to modify a variable in a const method: ...
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Replace part of a string with another string

...string, "$name", "Somename"); In response to a comment, I think replaceAll would probably look something like this: void replaceAll(std::string& str, const std::string& from, const std::string& to) { if(from.empty()) return; size_t start_pos = 0; while((start_pos...
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What are the advantages of using a schema-free database like MongoDB compared to a relational databa

...ire several tables to properly represent in a relational db. This is especially useful if your data is immutable. Deep query-ability. MongoDB supports dynamic queries on documents using a document-based query language that's nearly as powerful as SQL. No schema migrations. Since MongoDB is schema-...
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Rails: How to get the model class name based on the controller class name?

...ntroller def index # Equivalent of @house_buyers = HouseBuyer.find(:all) objects = controller_name.classify.constantize.find(:all) instance_variable_set("@#{controller_name}", objects) end end share ...
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In git, what is the difference between merge --squash and rebase?

...-squash with --commit.")); git rebase --interactive replays some or all of your commits on a new base, allowing you to squash (or more recently "fix up", see this SO question), going directly to: git checkout tmp git rebase -i stable stable X-------------------G tmp / ...
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How do HashTables deal with collisions?

...lookups in hash tables very slow. Option 2: If the hash table entries are all full then the hash table can increase the number of buckets that it has and then redistribute all the elements in the table. The hash function returns an integer and the hash table has to take the result of the hash funct...
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Setting Authorization Header of HttpClient

...ent = new HttpClient()) { client.DefaultRequestHeaders.Authorization = _username.ToAuthHeaderValue(_password); } Again I think 2 above options make the client using statement a bit less repetitive. Keep in mind that it's best practice to reuse the HttpClient if you are making multiple http ca...
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Extract only right most n letters from a string

...the end of the string, that's definitely the most painless solution, especially when the number of digits may vary in some later software upgrade. – Joey Nov 12 '09 at 14:10 2 ...
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Make $JAVA_HOME easily changable in Ubuntu [closed]

In Ubuntu, I'd like to switch my JAVA_HOME environment variable back and forth between Java 5 and 6. 8 Answers ...