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Type Checking: typeof, GetType, or is?
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Ah, so if I have a Ford class that derives from Car and an instance of Ford, checking "is Car" on that instance will be true. Makes sense!
– jasonh
Jun 11 '09 at 19:19
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When should I use a trailing slash in my URL?
...sonal opinion trailing slashes are misused.
Basically the URL format came from the same UNIX format of files and folders, later on, on DOS systems, and finally, adapted for the web.
A typical URL for this book on a Unix-like operating system would be a file path such as file:///home/username/Ro...
What does the Ellipsis object do?
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This came up in another question recently. I'll elaborate on my answer from there:
Ellipsis is an object that can appear in slice notation. For example:
myList[1:2, ..., 0]
Its interpretation is purely up to whatever implements the __getitem__ function and sees Ellipsis objects there, but i...
img src SVG changing the styles with CSS
...y can write anything on this platform. MDN: "This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped"
– vsync
Sep 15 '18 at 7:05
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...you noted that it's an "unpacking operator", so that I could differentiate from passing by reference in C. +1
– bballdave025
Jun 8 '18 at 0:56
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assign multiple variables to the same value in Javascript
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Nothing stops you from doing
moveUp = moveDown = moveLeft = moveRight = mouseDown = touchDown = false;
Check this example
var a, b, c;
a = b = c = 10;
console.log(a + b + c)
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Max length for client ip address [duplicate]
...s of the code, they had an option to specifically get IPv4, IPV6, or a mix from the query.
– Stan Graves
Jul 2 '09 at 22:07
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Getting the parent of a directory in Bash
...t substitution feature to cut the last slash and whatever follows.
Answer from simple to more complex cases of the original question.
If path is guaranteed to end without any slash (in and out)
P=/home/smith/Desktop/Test ; echo "${P%/*}"
/home/smith/Desktop
If path is guaranteed to end with exa...
How do I use $rootScope in Angular to store variables?
...on entitled "$rootScope exists, but it can be used for evil." Passing data from one controller to another is evil.
– MBielski
Jan 20 '14 at 16:05
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How to configure port for a Spring Boot application
...application argument
java -jar <path/to/my/jar> --server.port=7788
From property in SPRING_APPLICATION_JSON (Spring Boot 1.3.0+)
Define environment variable in U*IX shell:
SPRING_APPLICATION_JSON='{"server.port":7788}' java -jar <path/to/my/jar>
By using Java system property:
java...