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Why do results vary based on curly brace placement?
Why do the code snippets below, taken from this article , produce different results due to only a single change in the placement of curly braces?
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How does the following LINQ statement work?
How does the following LINQ statement work?
5 Answers
5
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Unix shell script to truncate a large file
I am trying to write a Unix script which will truncate/empty a file which is continuously being written/open by an application when it reaches say 3GB of space. I know that the below command would do it :
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What is the difference between save and export in Docker?
I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
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Check whether a variable is a string in Ruby
Is there anything more idiomatic than the following?
6 Answers
6
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(![]+[])[+[]]… Explain why this works
The output of this code is: fail . Why?
1 Answer
1
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Increment a value in Postgres
I'm a little new to postgres. I want to take a value (which is an integer) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total t...
How do I start a program with arguments when debugging?
I want to debug a program in Visual Studio 2008. The problem is that it exits if it doesn't get arguments. This is from the main method:
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convert streamed buffers to utf8-string
I want to make a HTTP-request using node.js to load some text from a webserver. Since the response can contain much text (some Megabytes) I want to process each text chunk separately. I can achieve this using the following code:
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str.startswith with a list of strings to test for
I'm trying to avoid using so many if statements and comparisons and simply use a list, but not sure how to use it with str.startswith :
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