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Android Studio quick documentation always “fetching documentation”

... The problem is Android Studio does not automatically update the source link of reference even when the documentation is already downloaded. The default link in jdk.table.xml is http://developer.android.com/reference/ (android studio tries to connect to this online server ...
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What are the complexity guarantees of the standard containers?

...found the nice resource Standard C++ Containers. Probably this is what you all looking for. VECTOR Constructors vector<T> v; Make an empty vector. O(1) vector<T> v(n); Make a vector with N elements. ...
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In which scenario do I use a particular STL container?

I've been reading up on STL containers in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of the...
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How to configure XAMPP to send mail from localhost?

...mail\sendmail.exe\" -t" Now Open C:\xampp\sendmail\sendmail.ini. Replace all the existing code in sendmail.ini with following code [sendmail] smtp_server=smtp.gmail.com smtp_port=587 error_logfile=error.log debug_logfile=debug.log auth_username=my-gmail-id@gmail.com auth_password=my-gmail-passwo...
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Why do we need boxing and unboxing in C#?

... Why To have a unified type system and allow value types to have a completely different representation of their underlying data from the way that reference types represent their underlying data (e.g., an int is just a bucket of thirty-two bits which is completely ...
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Select records from NOW() -1 Day

... MySQL statement to order records (through a date stamp) by >= NOW() -1 so all records from the day before today to the future are selected? ...
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How do I retrieve an HTML element's actual width and height?

... done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element. – Dan Fabulich Jan 19 '10 at 5:59 3...
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How to Copy Contents of One Canvas to Another Canvas Locally

I'd like to copy ALL contents of one canvas and transfer them to another all on the client-side. I would think that I would use the canvas.toDataURL() and context.drawImage() method to implement this but I am running into a few issues. ...
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Why do we have to normalize the input for an artificial neural network?

...erent scales for different dims (w1,w2). But learning rate is the SAME for all dims --> steps in elongated dim (w2) are very small until reaches the local min. Problem: Cannot inc LR, since it will skip the local min in the other dim (w1). See demo at youtube.com/watch?reload=9&v=UIp2CMI0748 ...
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Does Python have a ternary conditional operator?

...s ignored, or else when b is evaluated and returned but a is ignored. This allows short-circuiting because when condition is true only a is evaluated and b is not evaluated at all, but when condition is false only b is evaluated and a is not evaluated at all. For example: >>> 'true' if True...