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Delete first character of a string in Javascript
...o you don't even need to call .length()...
TL;DR : Remove first character from the string:
str = str.substring(1);
...yes it is that simple...
Removing some particular character(s):
As @Shaded suggested, just loop this while first character of your string is the "unwanted" character...
var yourStr...
How do you delete all text above a certain line
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dgg
will delete everything from your current line to the top of the file.
d is the deletion command, and gg is a movement command that says go to the top of the file, so when used together, it means delete from my current position to the top of the fi...
Nodejs send file in response
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Here's an example program that will send myfile.mp3 by streaming it from disk (that is, it doesn't read the whole file into memory before sending the file). The server listens on port 2000.
[Update] As mentioned by @Aftershock in the comments, util.pump is gone and was replaced with a method...
How to save picture to iPhone photo library?
What do I need to do to save an image my program has generated (possibly from the camera, possibly not) to the system photo library on the iPhone?
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JSON and XML comparison [closed]
... little background:
edit: I should mention that this comparison is really from the perspective of using them in a browser with JavaScript. It's not the way either data format has to be used, and there are plenty of good parsers which will change the details to make what I'm saying not quite valid.
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Difference between Iterator and Listiterator?
...ng Set and List, see here:
By using Iterator we can retrieve the elements from Collection Object in forward direction only.
Methods in Iterator:
hasNext()
next()
remove()
Iterator iterator = Set.iterator();
Iterator iterator = List.iterator();
But we get ListIterator object only from the List ...
Get the current user, within an ApiController action, without passing the userID as a parameter
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In WebApi 2 you can use RequestContext.Principal from within a method on ApiController
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What is the difference between i++ and ++i?
...tly this sort of thing wrong. I get probably half a dozen questions a year from real programmers about why some particular expression chock-full of increments and decrements and array dereferences doesn't work the way they assumed it did.
– Eric Lippert
Jul 27 ...
How to deploy correctly when using Composer's develop / production switch?
...int in the --optimize-autoloader. Consider also --classmap-authoritative - From the documentation here getcomposer.org/doc/03-cli.md you can see this: "Autoload classes from the classmap only. Implicitly enables --optimize-autoloader" so you can use if you know the classes "are there", which probabl...
What is the difference between Cloud, Grid and Cluster? [closed]
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Cluster differs from Cloud and Grid in that a cluster is a group of computers connected by a local area network (LAN), whereas cloud and grid are more wide scale and can be geographically distributed. Another way to put it is to say that a c...