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What are the special dollar sign shell variables?
In Bash, there appear to be several variables which hold special, consistently-meaning values. For instance,
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How to check if a function exists on a SQL database
I need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures:
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Having a private branch of a public repo on GitHub?
I have a public PHP project in a GitHub repo, which contains just one branch (master).
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How assignment works with Python list slice?
Python doc says that slicing a list returns a new list.
Now if a "new" list is being returned I've the following questions related to "Assignment to slices"
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How to set child process' environment variable in Makefile
I would like to change this Makefile:
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How to make the 'cut' command treat same sequental delimiters as one?
I'm trying to extract a certain (the fourth) field from the column-based, 'space'-adjusted text stream. I'm trying to use the cut command in the following manner:
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What happens if i return before the end of using statement? Will the dispose be called?
I've the following code
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Git status - is there a way to show changes only in a specific directory?
I would like to see a list of files modified since the last commit, as git status shows, but I care only about files located in a single directory. Is there a way to do this? I tried git status <directory> , but it seems this does something completely different (lists all changed files, as ...
How to bind multiple values to a single WPF TextBlock?
I'm currently using the TextBlock below to bind the value of a property named Name :
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In Go's http package, how do I get the query string on a POST request?
I'm using the http package from Go to deal with POST request. How can I access and parse the content of the query string from the Request object ? I can't find the answer from the official documentation.
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