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Rank items in an array using Python/NumPy, without sorting array twice
...ys, but for anything smaller (n < 100), double argsort is faster (about 20% faster for n=100, and about 5 times faster for n=10). So if you have to do a lot of rankings across lots of small sets of values, this method is much better.
– naught101
Aug 18 '15 a...
Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
...e amount of records in the result set on which an index is applied exceeds 20% of the total amount of records of the parent table, then the index will be ineffective. In practice each architecture will differ but, the idea is still correct.
Secondary Indexes (and that is very specific to mysql) sho...
What's so great about Lisp? [closed]
...occurring cases, and stop pretending that all cases are equally likely. If 20% of your customers are in NYC and 80% in LA, does it make sense to sit on the fence, somewhere on the Kansas/Oklahoma border, so as to remain "unbiased" in geographical terms? Or more sense to go where most of the customer...
Capturing touches on a subview outside the frame of its superview using hitTest:withEvent:
...pplication frame, and a subview MenuView which takes up only the bottom ~20%, and then MenuView contains its own subview ButtonView which actually resides outside of MenuView 's bounds (something like this: ButtonView.frame.origin.y = -100 ).
...
Android studio using > 100% CPU at all times - no background processes appear to be running
...to have a HUGE impact toward the high cpu usage - it was 150% and now it's 20%, more or less.
I'm on OS X
Go to: Preferences > Version Control > Background. Now listed under 'Background Operations' are 6 options.
I disabled the first three options which are:
Perform update on VCS in back...
Center Oversized Image in Div
...
.outer {
border: 1px solid green;
margin: 20px auto;
width: 20%;
padding: 10px 0;
/* overflow: hidden; */
}
.inner {
width: 150%;
background-color: gold;
/* Set left edge of inner element to 50% of the parent element */
margin-left: 50%;
/* Move to the left...
An efficient compression algorithm for short text strings [closed]
...----
7-zip | 19% in 18.8s | 27% in 59.6s | 50% in 36.4s
bzip2 | 20% in 4.7s | 37% in 32.8s | 51% in 20.0s
rar (2.01) | 23% in 30.0s | 36% in 275.4s | 58% in 52.7s
advzip | 24% in 21.1s | 37% in 70.6s | 57& in 41.6s
gzip | 25% in 4.2s | 39% in 23.1s | 60% in 5.4s
zip ...
Convert a string representation of a hex dump to a byte array using Java?
...vax.xml.bind.DatatypeConverter.parseHexBinary(hexString) seems to be about 20% faster than the above solution in my micro tests (for whatever little they are worth), as well as correctly throwing exceptions on invalid input (e.g. "gg" is not a valid hexString but will return -77 using the solution a...
How to convert a byte array to a hex string in Java?
... switching to bitwise ops --- as suggested in the discussion --- cut about 20% off of the time for long arrays. (Edit: When I say it's faster than the alternatives, I mean the alternative code offered in the discussions. Performance is equivalent to Commons Codec, which uses very similar code.)
2k20...
How to change the cursor into a hand when a user hovers over a list item?
...der-box;
background: #f2f2f2;
border:1px solid #ccc;
width: 20%;
padding: 10px 2px;
text-align: center;
white-space: nowrap;
&:nth-child(even) {
background: #eee;
}
&:hover {
opacity: 0.25
}
}
<h1>Example of cursor<...