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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...*a2) # note the asterisk
a2.unshift(*a1) # note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(a1.length, *a2)
or append and flatten:
(a1 << a2).flatten! # a call to #flatten instead would return a new array
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Effect of a Bitwise Operator on a Boolean in Java
The bitwise operators are supposed to travel variables and operate on them bit by bit. In the case of integers, longs, chars this makes sense. These variables can contain the full range of values enforced by their size.
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Handling a colon in an element ID in a CSS selector [duplicate]
...the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
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One SVN repository or many?
...ce.
Management of multiple vs. single mainly comes down to access control and maintenance.
Access control for a single repository can be contained in a single file; Multiple repositories are may require multiple files. Maintenance has similar issues - one big backup, or a lot of little backups.
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MongoDB logging all queries
...d parameter to -1, like db.setProfilingLevel(2,-1)
– andresigualada
Apr 12 '16 at 10:42
4
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used?
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filters on ng-model in an input
I have a text input and I don't want to allow users to use spaces, and everything typed will be turned into lowercase.
8 An...
Google Maps JS API v3 - Simple Multiple Marker Example
...he Google Maps Api. I've got an array of data that I want to cycle through and plot on a map. Seems fairly simple, but all the multi-marker tutorials I have found are quite complex.
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How can I determine what font a browser is actually using to render some text?
...ecause it was from 4 years ago. The fact that old answers linger like this and the community cannot update them is one of the few remaining failures of Stack Overflow.
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top -c command in linux to filter processes listed based on processname
...any easy way to filter the processes based on processname listed under COMMAND column of the top output.
9 Answers
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