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Auto-reload browser when I save changes to html file, in Chrome?
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I assume you're not on OSX? Otherwise you could do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refresh plus" where you can specify a reload every x seconds:
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How to list npm user-installed packages?
How do I list the user-installed package ONLY in npm ? When I do npm -g list it outputs every package and their dependencies, which is not what I want.
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Rename multiple files based on pattern in Unix
...ll probably be the easiest.
Using one version of rename:
rename 's/^fgh/jkl/' fgh*
Using another version of rename (same as Judy2K's answer):
rename fgh jkl fgh*
You should check your platform's man page to see which of the above applies.
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Create a string with n characters
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The for loop will be optimized by the compiler. In such cases like yours you don't need to care about optimization on your own. Trust the compiler.
BTW, if there is a way to create a string with n space characters, than it's coded the same way like you just did.
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Difference between := and = operators in Go
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Inanc Gumus
13.9k77 gold badges6262 silver badges7777 bronze badges
answered Jul 26 '13 at 21:25
zzzzzzzz
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IBOutlet and IBAction
...er that these variables and methods can be used in Interface builder to link UI elements to your code.
If you're not going to be using Interface Builder at all, then you don't need them in your code, but if you are going to use it, then you need to specify IBAction for methods that will be used in ...
Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
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Openstreetmap: embedding map in webpage (like Google Maps)
Is there a way to embed/mashup the OpenStreetMap in your page (like the way Google Maps API works)?
8 Answers
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Calculate distance between two latitude-longitude points? (Haversine formula)
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This link might be helpful to you, as it details the use of the Haversine formula to calculate the distance.
Excerpt:
This script [in Javascript] calculates great-circle distances between the two points –
that is, the shor...
What is the correct syntax for 'else if'?
I'm a new Python programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out.
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