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Can hash tables really be O(1)?
...every bit in the input in order to calculate the hash. Implementations are free to look at only a fixed number of bits.
For sufficiently many items the number of items will become greater than the number of possible hashes and then you will get collisions causing the performance rise above O(1), fo...
How to refresh Android listview?
...he view. For example, after a user login occurs that needs to expose more info or options within each view of the listView. That's what I needed to do, so gave an up-vote. If the underlying data changes, it's probably a better idea to use notifyDataSetChanged().
– SBerg413
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
...y idea what the technical reason is for not allowing it? I can't find any info on this.
– jtate
Feb 15 '19 at 21:29
1
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How can I get the intersection, union, and subset of arrays in Ruby?
... [4, 7]
INTERSECTION
x & y # => [1, 2]
For more info about the new methods in Ruby 2.6, you can check this blog post about its new features
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How to replace a single word under cursor?
...which will only change the word from the current cursor position. For more info see this SO question/answer.
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Why JSF calls getters multiple times
...tters that are computing or initializing heavy objects!
See here, for more info.
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What is the scope of variables in JavaScript?
...sionals, is incomprehensible to most people writing Javascript today. Feel free to fix any nomenclature issues by editing the answer.
– Triptych
Sep 10 '12 at 5:34
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How do I unset an element in an array in javascript?
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http://www.internetdoc.info/javascript-function/remove-key-from-array.htm
removeKey(arrayName,key);
function removeKey(arrayName,key)
{
var x;
var tmpArray = new Array();
for(x in arrayName)
{
if(x!=key) { tmpArray[x] = arrayName[x]; }
}
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How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
...sr/local/lib/node_modules' # <--- add this ~/.bashrc
You can run brew info node for more details regarding your node installs.
consider using NVM instead of brew
NVM (node version manager) is a portable solution for managing multiple versions of node
https://github.com/nvm-sh/nvm
> nvm...
Input widths on Bootstrap 3
...
ELSE
APPLY 'col-lg-1' (~95px)
See Bootstrap 3 grid system for more info. I hope I was clear otherwise let me know and I'd elaborate.
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