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How to fix Error: listen EADDRINUSE while using nodejs?
If I run a server with the port 80, and I try to use xmlHTTPrequest i get this error: Error: listen EADDRINUSE
39 Answer...
Get data from fs.readFile
...ing has completed. When you call readFile, control is returned immediately and the next line of code is executed. So when you call console.log, your callback has not yet been invoked, and this content has not yet been set. Welcome to asynchronous programming.
Example approaches
const fs = require...
Trying to SSH into an Amazon Ec2 instance - permission error
...our key file must not be publicly viewable for SSH to work. Use this
command if needed: chmod 400 mykey.pem
400 protects it by making it read only and only for the owner.
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read complete file without using loop in java
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Does not work for InputStream's s.a. Android assets (no length)
– akauppi
Jun 13 '14 at 11:04
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JavaScript window resize event
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jQuery is just wrapping the standard resize DOM event, eg.
window.onresize = function(event) {
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};
jQuery may do some work to ensure that the resize event gets fired consistently in all browsers, but I'm not sure if any of the browsers differ, b...
Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine
...is the answer I found when I did an extensive search for this known issue) and that causes other part of my code to break.
Fortunately, now Microsoft has released a 64 bit compatible 2010 Office System Driver which can be used as replacement for the traditional Microsoft.Jet.OLEDB.4.0 driver. It wo...
What in the world are Spring beans?
I am yet to find a high-level definition of Spring beans that I can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependenc...
What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
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The quick and dirty first pass solution is always a great one to start with, as a comparison if nothing else.
Greedy placement from large to small.
Put the largest rectangle remaining into your packed area. If it can't fit anywhere, ...
How to prettyprint a JSON file?
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To parse a file, use json.load():
with open('filename.txt', 'r') as handle:
parsed = json.load(handle)
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Windows 7 SDK installation failure
...em to be completely unable to install the Windows 7 SDK onto my machine, and the only solution I've found on the web is to make a swathe of registry changes. I've done this - still no success.
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