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How to get time difference in minutes in PHP

... Subtract the past most one from the future most one and divide by 60. Times are done in Unix format so they're just a big number showing the number of seconds from January 1, 1970, 00:00:00 GMT ...
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Why is “throws Exception” necessary when calling a function?

...le that particular exception. That is why you needed the throws clause. From Java Tutorial: An exception is an event, which occurs during the execution of a program, that disrupts the normal flow of the program's instructions. Now, as you know exceptions are classified into two: checked and...
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What are the main purposes of using std::forward and which problems it solves?

... code implementing std::forward can add to the discussion. This is a slide from Scott Meyers talk An Effective C++11/14 Sampler Function move in the code is std::move. There is a (working) implementation for it earlier in that talk. I found actual implementation of std::forward in libstdc++, in f...
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Windows batch script launch program and exit console

...application path. Added explanation: Normally when we launch a program from a batch file like below, we'll have the black windows at the background like OP said. %SystemRoot%\Notepad.exe This was cause by Notepad running in same command prompt (process). The command prompt will close AFTER no...
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How can I make a weak protocol reference in 'pure' Swift (without @objc)

...y solution I have found is to use @objc and eliminate all Swift data types from the protocol. – Jim T Jul 3 '14 at 22:32 12 ...
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How to detect if a script is being sourced

...has set BASH_ENV, $_ at the top of the script will be the last command run from BASH_ENV. – Mikel Apr 4 '11 at 22:14 31 ...
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What optimizations can GHC be expected to perform reliably?

...found. Hsc static flags: -static *** Chasing dependencies: Chasing modules from: *SleepSort.hs Stable obj: [Main] Stable BCO: [] Ready for upsweep [NONREC ModSummary { ms_hs_date = Tue Oct 18 22:22:11 CDT 2011 ms_mod = main:Main, ms_textual_imps = [import (implicit...
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What is the difference between a var and val definition in Scala?

...and. That's the kind of object management that immutability makes you free from. Now, let's covert it to an immutable.Queue: def toNum(q: scala.collection.immutable.Queue[Int]) = { def recurse(qr: scala.collection.immutable.Queue[Int], num: Int): Int = { if (qr.isEmpty) num else { ...
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How to use Bitbucket and GitHub at the same time for one project?

...rule applies to pulling: you need to specify which remote you want to pull from: $ git pull github your_branch $ git pull bitbucket your_branch share | improve this answer | ...
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Extracting an attribute value with beautifulsoup

... If you want to retrieve multiple values of attributes from the source above, you can use findAll and a list comprehension to get everything you need: import urllib f = urllib.urlopen("http://58.68.130.147") s = f.read() f.close() from BeautifulSoup import BeautifulStoneSoup so...