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Split a module across several files
...in place
#[derive(Debug)]
pub struct VectorA {
xs: Vec<i64>,
}
impl VectorA {
pub fn new() -> VectorA {
VectorA { xs: vec![] }
}
}
}
And this is where the magic happens. We've defined a sub-module math::vector::vector_a which has so...
How to compare Unicode characters that “look alike”?
...e Greek letters) for the most common math and scientific uses. Glyph reuse based on appearance was common, so no specialized 'K' was added. But it was always a workaround; the correct symbol for "micro" is the actual Greek lowercase mu, the correct symbol for Ohm is the actual capital omega, and so ...
How to use a class from one C# project with another C# project
...
64
Simply add reference to P1 from P2
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C# Equivalent of SQL Server DataTypes
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SQL Server and the .NET Framework are based on different type systems. For example, the .NET Framework Decimal structure has a maximum scale of 28, whereas the SQL Server decimal and numeric data types have a maximum scale of 38. Click Here's a link! for detail
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jQuery if checkbox is checked
...
color: blue;
}
<meta charset="utf-8">
<title>attr demo</title>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<input id="check1" type="checkbox" checked="checked">
<label for="check1">Check ...
How to turn off word wrapping in HTML?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How would you implement an LRU cache in Java?
...ad.
So here is the simplest version with a unit test that shows it works based on some other versions.
First the non-concurrent version:
import java.util.LinkedHashMap;
import java.util.Map;
public class LruSimpleCache<K, V> implements LruCache <K, V>{
Map<K, V> map = new...
How to frame two for loops in list comprehension python
...member this is that the order of for loop inside the list comprehension is based on the order in which they appear in traditional loop approach. Outer most loop comes first, and then the inner loops subsequently.
So, the equivalent list comprehension would be:
[entry for tag in tags for entry in e...
FileSystemWatcher vs polling to watch for file changes
... even one...get the file names safely cached away (in our case, into a database table) then process them.
For file locking issues I spawn a process which waits around for the file to be unlocked waiting one second, then two, then four, et cetera. We never poll. This has been in production without ...
Looping through the content of a file in Bash
...iles, because of the `&&`
done 3< input1.txt 4< input2.txt
Based on @chepner's answer here:
-u is a bash extension. For POSIX compatibility, each call would look something like read -r X <&3.
Reading a whole file into an array (Bash versions earlier to 4)
while read -r line...