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MySQL - Make an existing Field Unique

...e you don't have duplicates first, no? – William T. Mallard Apr 16 '14 at 20:04 1 Be sure to make...
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python capitalize first letter only

...rn a titlecased version of S, i.e. words start with title case characters, all remaining cased characters have lower case." – karantan Jan 3 '17 at 11:34  |...
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How to go back in Eclipse?

Is there a way to go back in Eclipse? Basically, when I'm jumping around a big project following the execution flow (ctrl + click and etc.), is there a way to retrace a step? If my code calls a method and I go to the method definition, is there a key combination that will take me back to the calling...
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CSS center display inline block?

...me as I need a child element with display: inline-block to be both horizontally and vertically centered within a 100% width parent. I used Flexbox's justify-content and align-items properties, which respectively allow you to center elements horizontally and vertically. By setting both to center on...
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How to make a great R reproducible example

...le examples, see the help files of the function you are using. In general, all the code given there fulfills the requirements of a minimal reproducible example: data is provided, minimal code is provided, and everything is runnable. Also look at questions on Stack Overflow with lots of upvotes. Pro...
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Return array in a function

... In this case, your array variable arr can actually also be treated as a pointer to the beginning of your array's block in memory, by an implicit conversion. This syntax that you're using: int fillarr(int arr[]) Is kind of just syntactic sugar. You could really repla...
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MySQL: Can't create table (errno: 150)

... child table InnoDB engine. Current create.sql script was using InnoDB for all tables, but I had very very old installation where first script used MyISAM. – Whome Apr 8 '13 at 9:50 ...
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do you have kcachegrind like profiling tools for mac [closed]

... I ended up using qcachegrind on OSX. It can be installed via brew brew install qcachegrind or, to enable graphviz support: brew install qcachegrind --with-graphviz What's great about this program is that I successfully loaded a 6.1GB cachegrind file on my MacBook Pro! P...
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How do I cancel form submission in submit button onclick event?

...r jQuery) that has a good event handling API and tie into the event that really matters (i.e. the form's submit event instead of the button's click event). share | improve this answer | ...
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Can I grep only the first n lines of a file?

... Is there a way to do this when using grep's -l option? I'd like to list all the files who's first 5 characters are RIFFD. – James M. Lay May 23 '17 at 19:20 add a comment ...