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Local file access with JavaScript

... If the user selects a file via <input type="file">, you can read and process that file using the File API. Reading or writing arbitrary files is not allowed by design. It's a violation of the sandbox. From Wikipedia -> Javascript -> Security: JavaScript and the DOM provide the ...
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HTTP 401 - what's an appropriate WWW-Authenticate header value?

...ke: WWW-Authenticate: Basic realm="myRealm" Whereas Basic is the scheme and the remainder is very much dependent on that scheme. In this case realm just provides the browser a literal that can be displayed to the user when prompting for the user id and password. You're obviously not using Basic ...
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Do we need type=“text/css” for in HTML5 [duplicate]

... The HTML5 spec says that the type attribute is purely advisory and explains in detail how browsers should act if it's omitted (too much to quote here). It doesn't explicitly say that an omitted type attribute is either valid or invalid, but you can safely omit it knowing that browsers wi...
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How to debug template binding errors for KnockoutJS?

...t;/pre> This will spit out the data that is being bound at that scope and let you make sure that you are nesting things appropriately. Update: as of KO 2.1, you can simplify it to: <pre data-bind="text: ko.toJSON($data, null, 2)"></pre> Now the arguments are passed on to JSON....
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Volatile boolean vs AtomicBoolean

...ranteed that every method is "atomic". Thus, if you use an AtomicInteger and getAndAdd(int delta), you can be sure that the result will be 10. In the same way, if two threads both negate a boolean variable concurrently, with an AtomicBoolean you can be sure it has the original value afterwards, wi...
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Android map v2 zoom to show all the markers

... have 10 markers in the GoogleMap . I want to zoom in as much as possible and keep all markers in view? In the earlier version this can be achieved from zoomToSpan() but in v2 I have no idea how about doing that. Further, I know the radius of the circle that needs to be visible. ...
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How do I exit the Vim editor?

I'm stuck and cannot escape. It says: 10 Answers 10 ...
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How to check if Receiver is registered in Android?

...nregisterReceiver(BroadcastReceiver) passing itself as the argument after handling the Intent that it receives. There is a small chance that the receiver's onReceive(Context, Intent) method is called more than once, since it is registered with multiple IntentFilters, creating the potential for a...
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Create a dictionary with list comprehension

... {key: value for (key, value) in iterable} Note: this is for Python 3.x (and 2.7 upwards). Formerly in Python 2.6 and earlier, the dict built-in could receive an iterable of key/value pairs, so you can pass it a list comprehension or generator expression. For example: dict((key, func(key)) for key...
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Android buildscript repositories: jcenter VS mavencentral

The last time I used Android Studio, it generated .gradle files with mavencentral() buildscript repositories whereas now there's jcenter() . ...