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ERROR: Error 1005: Can't create table (errno: 121)

I have troubles with forward engineering my MySQL database into WAMP server.. I was going to post an image of the schema but as this is my first post I can't. ...
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Execute method on startup in Spring

...ts for the first time? I know that I can do the trick of setting a method with @Scheduled annotation and it executes just after the startup, but then it will execute periodically. ...
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node.js require all files in a folder?

... When require is given the path of a folder, it'll look for an index.js file in that folder; if there is one, it uses that, and if there isn't, it fails. It would probably make most sense (if you have control over the folder) to create an index.js file and then assign ...
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How to check if all list items have the same value and return it, or return an “otherValue” if they

If all the items in a list have the same value, then I need to use that value, otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this. ...
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How do I delete from multiple tables using INNER JOIN in SQL server

... d on d.id = t2.id; delete from t3 from table3 as t3 ... commit transaction; Obviously you can do an 'output deleted.' on the second delete as well, if you needed something to join on for the third table. As a side note, you can also do inserted.* on an insert statement, and both in...
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How do I close a single buffer (out of many) in Vim?

... A word of caution: "the w in bw does not stand for write but for wipeout!" More from manuals: :bd Unload buffer [N] (default: current buffer) and delete it from the buffer list. If the buffer was changed, this fails, unless when [!]...
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Difference between Control Template and DataTemplate in WPF

... Typically a control is rendered for its own sake, and doesn't reflect underlying data. For example, a Button wouldn't be bound to a business object - it's there purely so it can be clicked on. A ContentControl or ListBox, however, generally appear so that they ...
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How to concatenate two strings in C++?

...lo"; std::string greet = s + " World"; //concatenation easy! Easy, isn't it? Now if you need char const * for some reason, such as when you want to pass to some function, then you can do this: some_c_api(s.c_str(), s.size()); assuming this function is declared as: some_c_api(char const *inp...
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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?

... If I wasn't using a DI container, I wouldn't have to reference EntityFramework library in my MVC3 app, only my business layer which would reference my DAL/Repo layer. Yes, that's exactly the situation DI works so hard to avoid :) With tightly coupled code, each library may only have a fe...
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Add Variables to Tuple

...follow | edited Dec 16 '19 at 10:31 John R Perry 2,96011 gold badge2626 silver badges4444 bronze badges ...