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How to export query result to csv in Oracle SQL Developer?
.... Trying to figure out how to export a query result to a text file (preferably CSV). Right clicking on the query results window doesn't give me any export options.
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What regular expression will match valid international phone numbers?
I need to determine whether a phone number is valid before attempting to dial it. The phone call can go anywhere in the world.
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NPM - How to fix “No readme data”
I have a simple package.json:
6 Answers
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Objective-C: Reading a file line by line
What is the appropriate way of dealing with large text files in Objective-C? Let's say I need to read each line separately and want to treat each line as an NSString. What is the most efficient way of doing this?
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What are the benefits to marking a field as `readonly` in C#?
What are the benefits of having a member variable declared as read only? Is it just protecting against someone changing its value during the lifecycle of the class or does using this keyword result in any speed or efficiency improvements?
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How to reverse apply a stash?
...e applied it to my working copy using git stash apply . Now, I'd like to back out those changes by reverse applying the patch (kind of like what git revert would do but against the stash).
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Mixing C# & VB In The Same Project
Can you mix vb and c# files in the same project for a class library? Is there some setting that makes it possible?
17 Answe...
Reading CSV files using C#
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Don't reinvent the wheel. Take advantage of what's already in .NET BCL.
add a reference to the Microsoft.VisualBasic (yes, it says VisualBasic but it works in C# just as well - remember that at the end it is all just IL)
use the Microsoft.VisualBasic.FileIO.TextFieldParser class to parse ...
What is float in Java?
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In Java, when you type a decimal number as 3.6, its interpreted as a double. double is a 64-bit precision IEEE 754 floating point, while floatis a 32-bit precision IEEE 754 floating point. As a float is less precise than a double, the conversion cannot be perf...
What is “entropy and information gain”?
I am reading this book ( NLTK ) and it is confusing. Entropy is defined as :
7 Answers
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