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Creating range in JavaScript - strange syntax

...appens when you try to access a non-existent property? You get undefined. Now we can lift our heads a little, and see why functions like arr.map don't walk over these properties. If arr[3] was merely undefined, and the key existed, all these array functions would just go over it like any other valu...
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javascript toISOString() ignores timezone offset [duplicate]

... trying to convert Twitter datetime to a local iso-string (for prettyDate) now for 2 days. I'm just not getting the local time right.. ...
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Get current time as formatted string in Go?

... Use the time.Now() function and the time.Format() method. t := time.Now() fmt.Println(t.Format("20060102150405")) prints out 20110504111515, or at least it did a few minutes ago. (I'm on Eastern Daylight Time.) There are several pre-de...
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Difference between \b and \B in regex

...ern to be searched for is 'cat': text = "catmania thiscat thiscatmaina"; Now definitions, '\b' finds/matches the pattern at the beginning or end of each word. '\B' does not find/match the pattern at the beginning or end of each word. Different Cases: Case 1: At the beginning of each word resu...
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OAuth: how to test with local URLs?

... Update October 2016: Easiest now: use lvh.me which always points to 127.0.0.1. Previous Answer: Since the callback request is issued by the browser, as a HTTP redirect response, you can set up your .hosts file or equivalent to point a domain that is not ...
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Python speed testing - Time Difference - milliseconds

...roseconds >>> import datetime >>> a = datetime.datetime.now() >>> b = datetime.datetime.now() >>> c = b - a >>> c datetime.timedelta(0, 4, 316543) >>> c.days 0 >>> c.seconds 4 >>> c.microseconds 316543 Be aware that c.micros...
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Convert UTC datetime string to local datetime

... zones: from_zone = tz.tzutc() to_zone = tz.tzlocal() # utc = datetime.utcnow() utc = datetime.strptime('2011-01-21 02:37:21', '%Y-%m-%d %H:%M:%S') # Tell the datetime object that it's in UTC time zone since # datetime objects are 'naive' by default utc = utc.replace(tzinfo=from_zone) # Convert ...
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How do you properly use namespaces in C++?

...e object into packages, and then reusing them later from that package. But now I'm working in C++. 15 Answers ...
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Python: reload component Y imported with 'from X import Y'?

... Wow. I found this really handy. Thanks! I use this as one liner now: import X; reload( X ); from X import Y – otterb Apr 23 '14 at 22:26 1 ...
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How do I uniquely identify computers visiting my web site?

... code snippet. This document does not show how to implement it. I want to know how do I implement this so I can track unique users for my site. – Oliver Jul 27 '17 at 8:16 12 ...