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Get records with max value for each group of grouped SQL results

..., age desc, Person) x group by `Group` This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. The solution is to first order the data such that for each group the row you want is first, then group by the columns you want the...
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REST Complex/Composite/Nested Resources [closed]

...our specific case of the covers is slightly more complex in that a cover really does require a comic book, and visa versa. However, if you consider an email message as a resource, and the from address as a child resource, you can obviously still reference the from address separately. For example, g...
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Is there a CSS selector for the first direct child only?

... What you posted literally means "Find any divs that are inside of section divs and are the first child of their parent." The sub contains one tag that matches that description. It is unclear to me whether you want both children of the main div o...
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How to disable breadcrumbs in Eclipse

...ow focussed, look for this icon in your toolbar: And click on it. That's all. The icon is present by default, but can be deactivated, in which case you have to activated as in MvanGeest's answer. share | ...
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equals vs Arrays.equals in Java

... it, ever. That said, it's not "broken" as in "someone has done it in a really wrong way" — it's just doing what's defined and not what's usually expected. So for purists: it's perfectly fine, and that also means, don't use it, ever. Now the expected behaviour for equals is to compare data. The ...
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Saving grid.arrange() plot to file

... ggsave is not working with (some or all) grobs anymore. – vak Oct 29 '15 at 14:50 add a comment  |  ...
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What Java ORM do you prefer, and why? [closed]

... Hey, is this all true for big real life projects? – santiagobasulto Oct 5 '10 at 2:13 30 ...
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How To Remove Outline Border From Input Button

...ng that in each button: #button-tyle{ outline: 0; } or use same style for all buttons without #id in each button, here is a demo link: input[type="button"] { width:70px; height:30px; margin-left:72px; margin-top:15px; display:block; background-color:gray; color:white; border: none; outline: 0; } ...
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Ignore modified (but not committed) files in git?

... Can you list all your ignored files somehow ? – Zitrax Apr 7 '10 at 10:10 21 ...
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Resolve absolute path from relative path and/or file name

...e current working directory, which is obviously not what you want. Personally, I often use the %~dp0%~1 idiom in my batch file, which interpret the first argument relative to the path of the executing batch. It does have a shortcoming though: it miserably fails if the first argument is fully-quali...