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Type of conditional expression cannot be determined because there is no implicit conversion between

...ain conversions are possible, which we will get into the details of below. Now, let's turn to the germane part of the spec: If only one of x and y has a type, and both x and y are implicitly convertible to that type, then that is the type of the conditional expression. The issue here is that in in...
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What is the difference between gsub and sub methods for Ruby Strings

... Yeah. I understand now. In my defense, I don't think this was very obvious... Until now, that is. – Ryanmt Jul 20 '11 at 22:50 ...
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Why is Spring's ApplicationContext.getBean considered bad?

...ut the whole idea of Inversion of Control is to have none of your classes know or care how they get the objects they depend on. This makes it easy to change what type of implementation of a given dependency you use at any time. It also makes the classes easy to test, as you can provide mock implemen...
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PDO Prepared Inserts multiple rows in single query

...bably have a loop that populates data. With prepared inserts you need to know the fields you're inserting to, and the number of fields to create the ? placeholders to bind your parameters. insert into table (fielda, fieldb, ... ) values (?,?...), (?,?...).... That is basically how we want the in...
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How do I skip an iteration of a `foreach` loop?

...e simplest (though maybe the logic inside is the same) way of doing this - now that you have Linq available. Though you should ensure that .Skip is called only once for performance reasons. (Yeah, I see now that this is not the straight forward answer to OP's question, though a valuable addition to ...
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What is a difference between

... arrays are what we call reifiable types. This means that at runtime Java knows that this array was actually instantiated as an array of integers which simply happens to be accessed through a reference of type Number[]. So, as you can see, one thing is the actual type of the object, and another thin...
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Error 5 : Access Denied when starting windows service

... is that, most services are run as LOCAL SERVICE or LOCAL SYSTEM accounts. Now when you run C:/my-admin-dir/service.exe with those accounts but they are not allowed to execute anything in that directory, you will get error 5. So locate the executable of the service, RMB the directory -> Propertie...
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Java String remove all non numeric characters

...de: String str = "a12.334tyz.78x"; str = str.replaceAll("[^\\d.]", ""); Now str will contain "12.334.78". share | improve this answer | follow | ...
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How to pass a class type as a function parameter

...class of the instances of returningClass handler(returningClass()) } Now there's the problem of constructing an instance of T to pass to handler: if you try and run the code right now the compiler will complain that T is not constructible with (). And rightfully so: T has to be explicitly cons...
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How to use nodejs to open default browser and navigate to a specific URL

... Please update to suggest opn instead of open as the latter is deprecated now. – Samir Aguiar Jan 25 '17 at 12:48  |  show 7 more comments ...