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Why does (1 in [1,0] == True) evaluate to False?
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Python actually applies comparison operator chaining here. The expression is translated to
(1 in [1, 0]) and ([1, 0] == True)
which is obviously False.
This also happens for expressions like
a < b < c
which translate to
(...
Install Application programmatically on Android
I'm interested in knowing if it is possible to programmatically install a dynamically downloaded apk from a custom Android application.
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Do copyright dates need to be updated? [closed]
...e work.
Therefore, if the claim is based on common law copyright (not formally registered), then the date should be the date of first publication. If the claim is a registered copyright, then the date should be the date claimed in the registration. In cases where the work was substantially revised ...
in iPhone App How to detect the screen resolution of the device
...l give you the entire screen's resolution in points, so it would most typically be 320x480 for iPhones. Even though the iPhone4 has a much larger screen size iOS still gives back 320x480 instead of 640x960. This is mostly because of older applications breaking.
CGFloat screenScale = [[UIScreen main...
Question mark and colon in JavaScript
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It is called the Conditional Operator (which is a ternary operator).
It has the form of: condition ? value-if-true : value-if-false
Think of the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = 255 ...
Initial size for the ArrayList
...lements in the list;
the capacity is how many elements the list can potentially accommodate without reallocating its internal structures.
When you call new ArrayList<Integer>(10), you are setting the list's initial capacity, not its size. In other words, when constructed in this manner, the ...
AI2 Media Notification
...in several apps, tapping an action button triggers the associated event in all apps at the same time. This is due to the global nature of the broadcast receivers used. Solution: The intents for the action buttons are individualized with the app name. When a broadcast is received, the name is c...
Finding the direction of scrolling in a UIScrollView?
I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method:
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Prevent double curly brace notation from displaying momentarily before angular.js compiles/interpola
...t, but the preferred usage is to apply multiple ngCloak
directives to small portions of the page to permit progressive rendering of the browser view
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npm WARN package.json: No repository field
I installed Express.js with the following command:
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