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Is there any way to use a numeric type as an object key?

...e a numeric type as a key name in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work. ...
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Why doesn't RecyclerView have onItemClickListener()?

...tiveAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> { String[] mDataset = { "Data", "In", "Adapter" }; private final PublishSubject<String> onClickSubject = PublishSubject.create(); @Override public void onBindViewHolder(final ViewHolder holder, int position...
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NoSql Crash Course/Tutorial [closed]

... system that would use it or how I would implement it in my system. I'm really stuck in a relational-db mindset thinking of things in terms of tables and joins... ...
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Check if a string contains a substring in SQL Server 2005, using a stored procedure

I've a string, @mainString = 'CATCH ME IF YOU CAN' . I want to check whether the word ME is inside @mainString . 2 Answ...
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What is the best way to iterate over a dictionary?

... foreach(KeyValuePair<string, string> entry in myDictionary) { // do something with entry.Value or entry.Key } share | improve this answe...
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How to connect to LocalDB in Visual Studio Server Explorer?

...aldb) or cannot find any provider in Server Explorer to accept connection string like (localdb)\v11.0;Integrated Security=true; I've seen this asked several places in StackOverflow but no answer works or marked as answer. Please help, this doesn't have to be this frustrating! ...
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JSON, REST, SOAP, WSDL, and SOA: How do they all link together

...ct format is JSON. imagine that you have the human class : class Human{ string Name; string Family; int Age; } and you have some instances from this class : Human h1 = new Human(){ Name='Saman', Family='Gholami', Age=26 } when you serialize the h1 object to JSON the result is : [h...
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What are the best practices for catching and re-throwing exceptions?

...don't know how to respond to the failure } PHP 5.5 has introduced the finally keyword, so for cleanup scenarios there is now another way to approach this. If the cleanup code needs to run no matter what happened (i.e. both on error and on success) it's now possible to do this while transparently a...
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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association

...y @Entity public class Company { private int companyId; private String companyName; private List<Branch> branches; @Id @GeneratedValue @Column(name="COMPANY_ID") public int getCompanyId() { return companyId; } public void setCompanyId(int compan...
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What happens when a duplicate key is put into a HashMap?

... So if you don't assign the returned value when calling mymap.put("1", "a string"), it just becomes unreferenced and thus eligible for garbage collection. share | improve this answer | ...