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Error: Can't set headers after they are sent to the client
I'm fairly new to Node.js and I am having some issues.
32 Answers
32
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How do I check if a type is a subtype OR the type of an object?
...
Here's the options:
Use Type.IsSubclassOf
Use Type.IsAssignableFrom
is and as
Type.IsSubclassOf
As you've already found out, this will not work if the two types are the same, here's a sample LINQPad program that demonstrates:
void Main()
{
typeof(Derived).IsSubclassOf(typeof(Base)).Dump(...
Managing relationships in Laravel, adhering to the repository pattern
...s, that's fine.
You're doing fine!
I do exactly what you are doing often and find it works great.
I often, however, organize repositories around business logic instead of having a repo-per-table. This is useful as it's a point of view centered around how your application should solve your "busine...
C++ lambda with captures as a function pointer
I was playing with C++ lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
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Pandas count(distinct) equivalent
I am using pandas as a db substitute as I have multiple databases (oracle, mssql, etc) and I am unable to make a sequence of commands to a SQL equivalent.
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How do I convert an NSString value to NSData?
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What are the pros and cons of using UTF-8 as opposed to something higher like UTF-16 or UTF-32?
– Albert Renshaw
Jan 13 '14 at 2:34
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Error 1022 - Can't write; duplicate key in table
I'm getting a 1022 error regarding duplicate keys on create table command. Having looked at the query, I can't understand where the duplication is taking place. Can anyone else see it?
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How do I delete all messages from a single queue using the CLI?
...lete all messages from a single queue using the cli?
I have the queue name and I want to clean it.
9 Answers
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Android file chooser [closed]
I want to make a file uploader. And I hence I need a file chooser but I don't want to write this by myself. I find OI file manager and I think it suits me.
But how can I force user to install OI file manager?
If I cannot , is there a better way to include a file manager in my app?
Thx
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Initial bytes incorrect after Java AES/CBC decryption
...ing key = "Bar12345Bar12345"; // 128 bit key
String initVector = "RandomInitVector"; // 16 bytes IV
System.out.println(decrypt(key, initVector,
encrypt(key, initVector, "Hello World")));
}
}
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