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How to drop a database with Mongoose?

...g a collection from mongoose, the best you can do is remove the content of one : Model.remove({}, function(err) { console.log('collection removed') }); But there is a way to access the mongodb native javascript driver, which can be used for this mongoose.connection.collections['collectionNa...
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What does the thread_local mean in C++11?

...from the viewpoint of the functions using it) but in actual fact, there is one copy per thread. It adds to the current automatic (exists during a block/function), static (exists for the program duration) and dynamic (exists on the heap between allocation and deallocation). Something that is thread...
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HTTPS connections over proxy servers

...ter it's core security checks being disabled. – Van Jone Nov 19 '15 at 2:25 1 @Van Jone Unconditi...
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Which regular expression operator means 'Don't' match this character?

...ion operators, and always follow a matching operator. Thus, a+ means match one or more of a, [a-c0]+ means match one or more of a, b, c or 0, while [^a-c0]+ would match one or more of anything that wasn't a, b, c or 0. share...
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How can I hash a password in Java?

...ate a password manager with a specified cost * * @param cost the exponential computational cost of hashing a password, 0 to 30 */ public PasswordAuthentication(int cost) { iterations(cost); /* Validate cost */ this.cost = cost; this.random = new SecureRandom(); } priva...
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How to get current working directory in Java?

... One way would be to use the system property System.getProperty("user.dir"); this will give you "The current working directory when the properties were initialized". This is probably what you want. to find out where the java c...
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Git stash uncached: how to put away all unstaged changes?

Suppose two set of changes are made in a project versioned by git. One set is staged and the other is not. 4 Answers ...
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How to make MySQL handle UTF-8 properly

One of the responses to a question I asked yesterday suggested that I should make sure my database can handle UTF-8 characters correctly. How I can do this with MySQL? ...
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What do commas and spaces in multiple classes mean in CSS?

...>460px Wide</div> </div> As for the commas, it's applying one rule to multiple classes, like this. .blueCheese, .blueBike { color:blue; } It's functionally equivalent to: .blueCheese { color:blue } .blueBike { color:blue } But cuts down on verbosity. ...
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How to sort List of objects by some property

...t to sort in a particular order, but might equally easily want a different one) it's better to implement Comparator<T>. This particular situation could go either way, to be honest... but I'd probably stick with the more flexible Comparator<T> option. EDIT: Sample implementation: publi...