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Multiple Inheritance in PHP

...patcher that sends the Message passed using text or html backend. I don't know your code, but let me simulate it this way: $m = new Message(); $m->type = 'text/html'; $m->from = 'John Doe <jdoe@yahoo.com>'; $m->to = 'Random Hacker <rh@gmail.com>'; $m->subject = 'Invitation e...
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How to print colored text in Python?

... Just noticed that as of 13/01/2011, it's now under MIT license – Alexander Tsepkov Oct 28 '11 at 2:19 12 ...
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What's a concise way to check that environment variables are set in a Unix shell script?

...by the wayside. But if you come across a script that starts with a colon, now you will know why. Position of double quotes blong asked in a comment: Any thoughts on this discussion? https://github.com/koalaman/shellcheck/issues/380#issuecomment-145872749 The gist of the discussion is: … Howe...
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Like Operator in Entity Framework?

... This is an old post now, but for anyone looking for the answer, this link should help. Go to this answer if you are already using EF 6.2.x. To this answer if you're using EF Core 2.x Short version: SqlFunctions.PatIndex method - returns the st...
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

... evicted) than there is no problem with cache misses with matice2 either. Now to go deeper in how caches works, if byte address of your variable is X, than the cache line for it would be (X >> 6) & (L - 1). Where L is total number of cache lines in your cache. L is always power of 2. The...
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How do I grep for all non-ASCII characters?

... no longer supports PCRE ("Perl-compatible regular expressions") as Darwin now uses BSD grep instead of GNU grep. An alternative to installing the dupes library is to install pcre instead: brew install pcre... as part of this, you will get the pcregrep utility, which you can use as follows: pcregrep...
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Node.js get file extension

... answered Apr 3 '13 at 3:32 SnowfishSnowfish 5,59944 gold badges1717 silver badges2020 bronze badges ...
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Hidden features of C

I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time. ...
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How to convert DateTime to/from specific string format (both ways, e.g. given Format is “yyyyMMdd”)?

...pic, but for those searching, the link above, "culture-specific format" is now a dead link. Here is one that is current and informative Custom Date and Time Format Strings – user416527 Oct 11 '12 at 16:03 ...
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE

...here the version number was higher than the copy you're working with right now. In either case, either: uninstall the currently installed copy or open up your phone's Settings > Application Manager to determine the version number for the installed app, and increment your <manifest android:v...