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What is the fastest way to compare two sets in Java?
...t;(secondSet);
one.removeAll(secondSet);
two.removeAll(firstSet);
If the contents of one and two are both empty, then you know that the two sets were equal. If not, then you've got the elements that made the sets unequal.
You mentioned that the number of records might be high. If the underlying i...
How to open a local disk file with JavaScript?
...}
var reader = new FileReader();
reader.onload = function(e) {
var contents = e.target.result;
displayContents(contents);
};
reader.readAsTm>ex m>t(file);
}
function displayContents(contents) {
var element = document.getElementById('file-content');
element.tm>ex m>tContent = contents;
}
...
How to find all occurrences of a substring?
...
There is no simple built-in string function that does what you're looking for, but you could use the more powerful regular m>ex m>pressions:
import re
[m.start() for m in re.finditer('test', 'test test test test')]
#[0, 5, 10, 15]
If you wan...
Flm>ex m>box: center horizontally and vertically
...: -webkit-flm>ex m>;
display: flm>ex m>;
align-items: center;
justify-content: center;
}
.row {
width: auto;
border: 1px solid blue;
}
.flm>ex m>-item {
background-color: tomato;
padding: 5px;
width: 20px;
height: 20px;
margin: 10px;
line-height: 20px;
...
How to parse JSON in Scala using standard Scala classes?
I am using the build in JSON class in Scala 2.8 to parse JSON code. I don't want to use the Liftweb one or any other due to minimizing dependencies.
...
How to go about formatting 1200 to 1.2k in java
I'd like to format following numbers into the numbers nm>ex m>t to them with java:
23 Answers
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Combining CSS Pseudo-elements, “:after” the “:last-child”
... likes it)
li { display: inline; list-style-type: none; }
li:after { content: ", "; }
li:last-child:before { content: "and "; }
li:last-child:after { content: "."; }
<html>
<body>
<ul>
<li>One</li>
<li>Two</li>
<li&gt...
Decode HTML entities in Python string?
I'm parsing some HTML with Beautiful Soup 3, but it contains HTML entities which Beautiful Soup 3 doesn't automatically decode for me:
...
In C++, is it still bad practice to return a vector from a function?
... -- a container. Your concern (and your code's concern) should be with the contents, not the container.
– Jerry Coffin
Jun 29 '10 at 15:34
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When to use a Content Provider
I understand that Content Providers are made to allow publicly sharing data between applications. However, I'm wondering if anyone has thoughts about making a Content Provider to use just within your own app. Would there be any advantages to doing this? Any disadvantages?
...