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htaccess Access-Control-Allow-Origin
I'm creating a script that loads externally on other sites. It loads CSS and HTML and works fine on my own servers.
9 Answe...
Create an empty object in JavaScript with {} or new Object()?
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Objects
There is no benefit to using new Object(); - whereas {}; can make your code more compact, and more readable.
For defining empty objects they're technically the same. The {} syntax is shorter, neater (less Java-ish), and allows you to instan...
findViewById in Fragment
...ragment. However, the findViewById method only works if I extend an Activity class. Is there anyway of which I can use it in Fragment as well?
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Vertically centering a div inside another div [duplicate]
...ours is the safer way to go for those. But since you tagged your question with CSS3 and HTML5 I was thinking that you don't mind using a modern solution.
The classic solution (table layout)
This was my original answer. It still works fine and is the solution with the widest support. Table-layout w...
What's the difference between a word and byte?
I've done some research.
A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
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Copying a HashMap in Java
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If you want a copy of the HashMap you need to construct a new one with.
myobjectListB = new HashMap<Integer,myObject>(myobjectListA);
This will create a (shallow) copy of the map.
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Image comparison - fast algorithm
...an the first approach, and is straightforward to implement. However, what it gains in understandability, it lacks in robustness -- matching fails on scaled, rotated, or discolored images.
The third method is both fast and robust, but is potentially the hardest to implement.
Keypoint Matching
Bet...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
... can return both an access_token (which is used to authenticate oneself with a resource) as well as a refresh_token , which is used purely to create a new access_token :
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What is the email subject length limit?
... had a scan of The RFC for email but could not see specifically how long it was allowed to be.
I have a colleague that wants to programmatically validate for it.
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What are carriage return, linefeed, and form feed?
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Carriage return means to return to the beginning of the current line without advancing downward. The name comes from a printer's carriage, as monitors were rare when the name was coined. This is commonly escaped as \r, abbreviated CR, and has ASCII value 13 or 0x0D.
Linefeed means to advance...