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LEFT JOIN only first row

... Thanks for your fast response. This was not the exact answer, but totally got me on the right way. I always tried to join both on the same level instead of making the one depended from the other. Thank you very much for leading me on the right track. Edited the first post ...
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How to create a checkbox with a clickable label?

...can explain the comment @John left please do, because it makes no sense at all to me. – Wesley Murch Jul 30 '15 at 13:45 16 ...
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How can I check if an ip is in a network in Python?

... Additionally, struct.unpack('L',socket.inet_aton(ip))[0] will fail on architectures where 'L' unpacks to something different than 4 bytes, regardless of endianness. – Rafał Dowgird May 4 '09 at...
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JavaScript: Class.method vs. Class.prototype.method

... are extending the constructor function prototype, it will be available to all the object instances created with the new keyword, and the context within that function (the this keyword) will refer to the actual object instance where you call it. Consider this example: // constructor function funct...
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mysql -> insert into tbl (select from another table) and some default values [duplicate]

... If you want to insert all the columns then insert into def select * from abc; here the number of columns in def should be equal to abc. if you want to insert the subsets of columns then insert into def (col1,col2, col3 ) select scol1,scol2,...
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Getting the names of all files in a directory with PHP

... Not all filenames have the form *.*: just use * instead. – jameshfisher Feb 24 '14 at 17:17 ...
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Why does “pip install” inside Python raise a SyntaxError?

...stalled package so this is the right way of using the API: subprocess.check_call([sys.executable, '-m', 'pip', 'install', 'SomeProject']) but since Python allows to access internal API and you know what you're using the API for you may want to use internal API anyway eg. if you're building own GUI p...
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UIButton: Making the hit area larger than the default hit area

... CGRectContainsPoint(hitFrame, point); } @end Once this class is added, all you need to do is set the edge insets of your button. Note that I chose to add the insets so if you want to make the hit area larger, you must use negative numbers. [button setHitTestEdgeInsets:UIEdgeInsetsMake(-10, -10...
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PHP Get Site URL Protocol - http vs https

...olutions are quite messy; this is how I would do it: $protocol = stripos($_SERVER['SERVER_PROTOCOL'],'https') === 0 ? 'https://' : 'http://'; ...or even without condition if you prefer: $protocol = strtolower(substr($_SERVER["SERVER_PROTOCOL"],0,strpos( $_SERVER["SERVER_PROTOCOL"],'/'))).'://'; ...
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Check if a JavaScript string is a URL

...{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path '(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string '(\\#[-a-z\\d_]*)?$','i'); // fragment locator return !!pattern.test(str); } ...