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How to determine a user's IP address in node
...is usually works well but for some reason I recently got the error "Cannot read property 'remoteAddress' of undefined" because apparently everything was null/undefined, including req.connection.socket. I'm not sure why/what conditions cause that to be the case but it would be good to check that req....
How should I escape strings in JSON?
... to use one (I wouldn't suggest this¹), or you're writing a JSON library, read on.
Escape it according to the RFC. JSON is pretty liberal: The only characters you must escape are \, ", and control codes (anything less than U+0020).
This structure of escaping is specific to JSON. You'll need a JSO...
nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
...ion - commenting the line that contains listen 80; in that same template already solves the problem and correctly so. Your trick works but it's not what I would future readers of your question to do. That's why I suggest you select @Nathan's answer as the correct answer.
– Oliv...
Do we need semicolon at the end? [duplicate]
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There was an interesting thread recently on the node.js mailing list that's worth a read: groups.google.com/group/nodejs/browse_thread/thread/…. Check out Isaac Schlueter's coding style; it's an interesting way to take advantage of ASI -- it's not n...
Origin is not allowed by Access-Control-Allow-Origin
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read the answer: you can simply add this argument to your Chrome launcher. There is no setting for this inside Chrome
– Travis Webb
Mar 6 '13 at 16:43
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Is there a CSS selector for elements containing certain text?
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If I read the specification correctly, no.
You can match on an element, the name of an attribute in the element, and the value of a named attribute in an element. I don't see anything for matching content within an element, th...
How should I validate an e-mail address?
.... Are there any other libraries doing this which are included in Android already or would I have to use RegExp?
32 Answers
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What does the “assert” keyword do? [duplicate]
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Although I have read a lot documentation about this one, I'm still confusing on how, when, and where to use it.
Make it very simple to understand:
When you have a similar situation like this:
String strA = null;
String strB = nul...
Is there a way to squash a number of commits non-interactively?
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I tried this and it reads my commit message as squash count and fails because it's not an integer.
– Minthos
Aug 12 '14 at 9:46
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How do I use .toLocaleTimeString() without displaying seconds?
...een in the specs as a parsable date format for a loooonnng time. But never read back dates from UI elements. That should come from your app layer. And always test in Safari. They've been IE6-level jerks about the date object.
– Erik Reppen
Mar 30 '15 at 2:45
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