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Nullable ToString()

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How to exclude this / current / dot folder from find “type d”

can be used to find all directories below some start point. But it returns the current directory ( . ) too, which may be undesired. How can it be excluded? ...
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MySQL - How to select data by string length

Is there a MySQL function to do this (of course instead of string_length )? 6 Answers ...
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How do I show a Save As dialog in WPF?

I have a requirement in WPF/C# to click on a button, gather some data and then put it in a text file that the user can download to their machine. I can get the first half of this, but how do you prompt a user with a "Save As" dialog box? The file itself will be a simple text file. ...
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p vs puts in Ruby

Is there any difference between p and puts in Ruby? 7 Answers 7 ...
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Is Hash Rocket deprecated?

The well-cited RIP Hash rocket post would seem to imply the Hash Rocket syntax ( :foo => "bar" ) is deprecated in favor of the new-to-Ruby JSON-style hash ( foo: "bar" ), but I can't find any definitive reference stating the Hash Rocket form is actually deprecated/unadvised as of Ruby 1.9. ...
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Is there a portable way to print a message from the C preprocessor?

I would like to be able to do something like 7 Answers 7 ...
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How to check if a value exists in an array in Ruby

I have a value 'Dog' and an array ['Cat', 'Dog', 'Bird'] . 26 Answers 26 ...
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What is the right way to POST multipart/form-data using curl?

I used this syntax to post a file along with some parameters: 5 Answers 5 ...
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Using try vs if in python

Is there a rationale to decide which one of try or if constructs to use, when testing variable to have a value? 9 Ans...