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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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Scala: What is the difference between Traversable and Iterable traits in Scala collections?

...ersables don't. A Traversable has one abstract method: foreach. When you call foreach, the collection will feed the passed function all the elements it keeps, one after the other. On the other hand, an Iterable has as abstract method iterator, which returns an Iterator. You can call next on an Ite...
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Naming convention for utility classes in Java

... you use it consistently. Like, if you have three utility classes and you call them CustomerUtil, ProductUtils, and StoreUtility, other people trying to use your classes are going to constantly get confused and type CustomerUtils by mistake, have to look it up, curse you a few times, etc. (I heard a...
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GitHub: Reopening a merged pull request

...l need to add commits to the branch and create a new pull request, copying all the details over and probably providing a link to the original pull request to manually save the history. Might be a nice feature request for future GitHub. ...
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PHP DateTime::modify adding and subtracting months

...s not a bug: The current behavior is correct. The following happens internally: +1 month increases the month number (originally 1) by one. This makes the date 2010-02-31. The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February...
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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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Php multiple delimiters in explode

... You can take the first string, replace all the @ with vs using str_replace, then explode on vs or vice versa. share | improve this answer | ...
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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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Get the IP address of the remote host

... This solution also covers Web API self-hosted using Owin. Partially from here. You can create a private method in you ApiController that will return remote IP address no matter how you host your Web API: private const string HttpContext = "MS_HttpContext"; private const string Remote...