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ExpressJS - throw er Unhandled error event
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You had run another server use the same port like 8080.
Maybe you had run node app in other shell, Please close it and run again.
You can check PORT no. is available or not using
netstat -tulnp | grep <port no>
Alternatively, you can use lsof:
lsof -...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...s answer suggests there’s no way to run multiple versions of Google Chrome on one machine.
11 Answers
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Browser statistics on JavaScript disabled [closed]
I am having a hard time collecting publically available statistics on the percentage of web users that browse with JavaScript disabled.
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Best way to unselect a in jQuery?
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JQuery must've fixed this, It's working perfect for me in IE8 using JQuery 1.7.2.
– Mikey G
May 17 '13 at 16:35
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List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
8 Answers
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WhatsApp API (java/python) [closed]
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After trying everything, Yowsup library worked for me. The bug that I was facing was recently fixed. Anyone trying to do something with Whatsapp should try it.
share
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improv...
Regex lookahead for 'not followed by' in grep
... Verified, correct answer should be combining this answer and @NHDaly's comment. For example, this command works for me: grep -P '^.*contains((?!but_not_this).)*$' *.log.* >"D:\temp\result.out"
– wangf
May 29 '15 at 2:47
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Remove border from IFrame
How would I remove the border from an iframe embedded in my web app? An example of the iframe is:
25 Answers
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Can we open pdf file using UIWebView on iOS?
...UIWebView.
If you are trying to display a PDF file residing on a server somewhere, you can simply load it in your web view directly:
Objective-C
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(10, 10, 200, 200)];
NSURL *targetURL = [NSURL URLWithString:@"https://www.example.com/...
JavaScript: Get image dimensions
.... The image cannot be visible to the user on the page. How can I get its dimensions?
8 Answers
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