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Bash script error [: !=: unary operator expected
In my script I am trying to error check if the first and only argument is equal to -v but it is an optional argument. I use an if statement but I keep getting the unary operator expected error.
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What are the default access modifiers in C#?
...access modifier for classes, methods, members, constructors, delegates and interfaces?
9 Answers
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Why do people hate SQL cursors so much? [closed]
I can understand wanting to avoid having to use a cursor due to the overhead and inconvenience, but it looks like there's some serious cursor-phobia-mania going on where people are going to great lengths to avoid having to use one.
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How to copy a file to a remote server in Python using SCP or SSH?
I have a text file on my local machine that is generated by a daily Python script run in cron.
14 Answers
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How to read attribute value from XmlNode in C#?
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Try this:
string employeeName = chldNode.Attributes["Name"].Value;
Edit: As pointed out in the comments, this will throw an exception if the attribute doesn't exist. The safe way is:
var attribute = node.Attributes["Name"];
if (attribu...
Why can't C# interfaces contain fields?
For example, suppose I want an ICar interface and that all implementations will contain the field Year . Does this mean that every implementation has to separately declare Year ? Wouldn't it be nicer to simply define this in the interface?
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How do I get a substring of a string in Python?
Is there a way to substring a string in Python, to get a new string from the third character to the end of the string?
13 A...
Amazon SimpleDB vs Amazon DynamoDB
I have some basic understanding what Amazon SimpleDB is, but according to the Amazon DynamoDB description it seems to be almost the same: a NoSQL Key-value store service.
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How do I replace text in a selection?
I've just started using Sublime Text 2, coming from emacs.
11 Answers
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How to convert OutputStream to InputStream?
...m one I got output as a OutputStream and second one, which accepts only InputStream . Do you know how to convert OutputStream to InputStream (not vice versa, I mean really this way) that I will be able to connect these two parts?
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