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Is #pragma once part of the C++11 standard?

...haracters for the include guard when you create it. (A good editor can be set up to do this for you whenever you open a new header.) But even without this, I've yet to encounter any problems with conflicts between libraries. ...
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How to merge remote master to local branch

...iginal project (even though it says everything is up to date!) maybe I've set the project up incorrectly? Any way to check? – Martyn Aug 26 '11 at 6:15 ...
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1114 (HY000): The table is full

... You need to modify the limit cap set in my.cnf for the INNO_DB tables. This memory limit is not set for individual tables, it is set for all the tables combined. If you want the memory to autoextend to 512MB innodb_data_file_path = ibdata1:10M:autoextend:...
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How do I automatically sort a has_many relationship in Rails?

...can also use sort_by after you have fetched results although in any result sets of size this will be significantly slower (and use a lot more memory) than doing your ordering through SQL/ActiveRecord. If you are doing something where adding a default order is cumbersome for some reason or you want...
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Why and not taking font-family and font-size from body?

... Certain controls are not defaulted to inherit font settings. You can override this by place this in your CSS: textarea { font-family: inherit; font-size: inherit; } share | ...
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Adding a new array element to a JSON object

...ad to push the element. elementToPush = [1, 2, 3] if (!obj.arr) this.$set(obj, "arr", []) obj.arr.push(elementToPush) (This answer may not be relevant to this particular question, but may help someone else) ...
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String.IsNullOrWhiteSpace in LINQ Expression

...yables<T> backed by different LINQ providers do not support the same set of functions. However, there are some workarounds (like Phil's answer), which modify the query. Also, as a more general approach it is possible to drop back to an IEnumerable<T> before continuing with the specifica...
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis

... It usually happens because one of the following reasons: Entity Set is mapped from Database view A custom Database query Database table doesn't have a primary key After doing so, you may still need to update in the Entity Framework designer (or alternatively delete the entity and then a...
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Default parameters with C++ constructors [closed]

... list of optional parameters make a default constructor and then have your set function return a reference to this. Then chain the settors. class Thingy2 { public: enum Color{red,gree,blue}; Thingy2(); Thingy2 & color(Color); Color color()const; Thingy2 & length(doubl...
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How do you dismiss the keyboard when editing a UITextField

... I set the delegate of the UITextField to my ViewController class. In that class I implemented this method as following: - (BOOL)textFieldShouldReturn:(UITextField *)textField { [textField resignFirstResponder]; retur...