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How Many Seconds Between Two Dates?

...ger values meaning the day of the month. var t1 = new Date(YYYY, MM, DD, 0, 0, 0, 0); var t2 = new Date(ZZZZ, NN, EE, 0, 0, 0, 0); var dif = t1.getTime() - t2.getTime(); var Seconds_from_T1_to_T2 = dif / 1000; var Seconds_Between_Dates = Math.abs(Seconds_from_T1_to_T2); A handy source for futur...
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How can I create a correlation matrix in R?

... 104 An example, d &lt- data.frame(x1=rnorm(10), x2=rnorm(10), ...
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Why is the .bss segment required?

... 90 The reason is to reduce program size. Imagine that your C program runs on an embedded system, wh...
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Append a Lists Contents to another List C#

... | edited Oct 12 '19 at 6:01 Cœur 29.8k1515 gold badges166166 silver badges214214 bronze badges answere...
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Comparing arrays in JUnit assertions, concise built-in way?

... 302 Use org.junit.Assert's method assertArrayEquals: import org.junit.Assert; ... Assert.assertAr...
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how do you filter pandas dataframes by multiple columns

...sub-statements with (): males = df[(df[Gender]=='Male') & (df[Year]==2014)] To store your dataframes in a dict using a for loop: from collections import defaultdict dic={} for g in ['male', 'female']: dic[g]=defaultdict(dict) for y in [2013, 2014]: dic[g][y]=df[(df[Gender]==g) & ...
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Use of an exclamation mark in a Git commit message via the command line

... SiegeXSiegeX 114k2020 gold badges127127 silver badges151151 bronze badges ...
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What does the caret (‘^’) mean in C++/CLI?

... 180 This is C++/CLI and the caret is the managed equivalent of a * (pointer) which in C++/CLI termin...
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit

...nknown = -998, kCFURLErrorCancelled = -999, kCFURLErrorBadURL = -1000, kCFURLErrorTimedOut = -1001, kCFURLErrorUnsupportedURL = -1002, kCFURLErrorCannotFindHost = -1003, kCFURLErrorCannotConnectToHost = -1004, kCFURLErrorNetworkConnectionLost = -1005, kCFURLErrorDNSLookupFa...
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites

...ction timeSince(date) { var seconds = Math.floor((new Date() - date) / 1000); var interval = seconds / 31536000; if (interval > 1) { return Math.floor(interval) + " years"; } interval = seconds / 2592000; if (interval > 1) { return Math.floor(interval) + " months"; } ...