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How to calculate the difference between two dates using PHP?

...ects can be compared using comparison operators. $date1 = new DateTime("now"); $date2 = new DateTime("tomorrow"); var_dump($date1 == $date2); // bool(false) var_dump($date1 < $date2); // bool(true) var_dump($date1 > $date2); // bool(false) ...
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Should I use the Reply-To header when sending emails as a service to others?

... have to forward it, but you can always add a hidden multipart. Everybody knows how to forward to another address. – Aridane Álamo Dec 13 '16 at 16:47 2 ...
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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to

...n my code. Please actually point out the fix to the problem you appear to know about. – Novocaine Oct 20 '15 at 8:51 7 ...
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Combining Multiple Commits Into One Prior To Push

...ne with. So it has to be picked or 'p'. Use 'Esc' to exit insert mode. 3) Now, save the editor with the following command. :wq When you save that, you have a single commit that introduces the changes of all three previous commits. Hope this will help you. ...
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How does PHP 'foreach' actually work?

Let me prefix this by saying that I know what foreach is, does and how to use it. This question concerns how it works under the bonnet, and I don't want any answers along the lines of "this is how you loop an array with foreach ". ...
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Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?

...hat happens when the 1.9 branch gets updated because the package feed will now be on the 2.0+ track. I assume you'll have to switch to a new nuget package specifically written to support the 'legacy' 1.x version, or copy the script in manually each time. In any case, I'll update this when I learn m...
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Difference between JSP EL, JSF EL and Unified EL [closed]

I would like to know the detailed difference between the Expression Languages (EL). There is JSP EL, JSF EL and Unified EL. ...
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CSS – why doesn’t percentage height work? [duplicate]

... container ancestor box or in English, its parent box. (It's well worth knowing what it would be for fixed and absolute positions as well, but I'm ignoring that to keep this answer short.) So take these two examples: <div id="a" style="width: 100px; height: 200px; background-color: ora...
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Clone only one branch [duplicate]

I would like to know how I could clone only one branch instead of cloning the whole Git repository. 4 Answers ...
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Confused by python file mode “w+”

...om your file: with open('somefile.txt', 'w+') as f: # Note that f has now been truncated to 0 bytes, so you'll only # be able to read data that you write after this point f.write('somedata\n') f.seek(0) # Important: return to the top of the file before reading, otherwise you'll jus...