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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...
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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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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MyISAM versus InnoDB [closed]
...able so you can conclude whether to go with InnoDB or MyISAM.
Here is a small overview of which db storage engine you should use in which situation:
MyISAM InnoDB
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Required full-text...
Is git-svn dcommit after merging in git dangerous?
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Actually, I found an even better way with the --no-ff option on git merge.
All this squash technic I used before is no longer required.
My new workflow is now as follows:
I have a "master" branch that is the only branch that...
npm WARN package.json: No repository field
I installed Express.js with the following command:
11 Answers
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How to select records from last 24 hours using SQL?
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If the records are stored as DATETIME, this will select all records from the previous date, disregarding the time part. Been run at 23:59:59, the query will return all records for the last 48 hours, not 24.
– Quassnoi
Dec 11 '09 at 15:02
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How can I find the length of a number?
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This solution would not work with large number or small number that has more than 20 digits. eg. 1.2e+22 toString().length outputs 7
– CherylG
Oct 18 '16 at 0:52
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