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Group By Multiple Columns

... fields of an anonymous type C# assumes you want to use the name of the finally accessed property/field from the projection. (So your example is equivalent to Mo0gles') – Chris Pfohl Jan 28 '15 at 13:54 ...
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How to change default text file encoding in Eclipse?

...Anyway, Eclipse says that Cp1250 is a 'default' encoding and I have to manually change it to UTF-8 each time I add anything. ...
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How to express a NOT IN query with ActiveRecord/Rails?

.... It would still break on nil, but I find that the array you pass in is usually generated by a filter that will return [] at the very least and never nil. I recommend checking out Squeel, a DSL on top of Active Record. Then you could do: Topic.where{id.not_in actions}, nil/empty/or otherwise. ...
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How can I center a div within another div? [duplicate]

...ing: 10px; position: relative; } The CSS reference by MDN explains it all. Check out these links: auto - CSS reference | MDN margin - CSS reference | MDN What is the meaning of auto value in a CSS property - Stack Overflow In action at jsFiddle. ...
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Style disabled button with CSS

...he disabled buttons you can use the :disabled pseudo-element. It works for all the elements. For browsers/devices supporting CSS2 only, you can use the [disabled] selector. As with the image, don't put an image in the button. Use CSS background-image with background-position and background-repeat....
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Java LinkedHashMap get first or last entry

... entry is possible, but will entail iterating over the whole entry set by calling .next() until you reach the last. while (iterator.hasNext()) { lastElement = iterator.next() } edit: However, if you're willing to go beyond the JavaSE API, Apache Commons Collections has its own LinkedMap implementa...
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How to 'insert if not exists' in MySQL?

... any AUTO_INCREMENT column with failed insert. Probably because it's not really failed, but UPDATE'd. – not2qubit Oct 29 '13 at 21:36  |  show...
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How do I make curl ignore the proxy?

... shell script) would temporarily change its value. (See curl's manual for all the variables it looks at, under the ENVIRONMENT heading.) share | improve this answer | follow...
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How to exclude specific folders or files from validation in Eclipse?

...lder Click Resource, ResourceFilters Click "Add" Set the following Exclude All, Files and Folders, All Children, add an asterisk (*) to the File and Folder Attributes input field (highlighted in the image below) Note: In Eclipse Indigo you have to Right click the folder and select properties and t...
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Where do you include the jQuery library from? Google JSAPI? CDN?

... across the world instead of my single server location: Closer servers usually means faster response times for the visitor. Second: Many people choose to have JQuery hosted on Google, so when a visitor comes to my site they may already have the JQuery script in their local cache. Pre-cached conte...