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What is the best way to test for an empty string in Go?
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Why shouldn't all functions be async by default?
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Adding options to a using jQuery?
What's the easiest way to add an option to a dropdown using jQuery?
31 Answers
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How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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What is the difference between HashSet and List?
Can you explain what is the difference between HashSet<T> and List<T> in .NET?
8 Answers
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Print content of JavaScript object? [duplicate]
Typically if we just use alert(object); it will show as [object Object] . How to print all the content parameters of an object in JavaScript?
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Why is “while ( !feof (file) )” always wrong?
I've seen people trying to read files like this in a lot of posts lately:
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How to open, read, and write from serial port in C?
I am a little bit confused about reading and writing to a serial port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
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What's the difference between a file descriptor and file pointer?
I want to know the difference between a file descriptor and file pointer.
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Printing a variable memory address in swift
Is there anyway to simulate the [NSString stringWithFormat:@"%p", myVar] , from Objective-C, in the new Swift language?
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