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MySQL, update multiple tables with one query
I have a function that updates three tables, but I use three queries to perform this. I wish to use a more convenient approach for good practice.
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“Comparison method violates its general contract!”
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Your comparator is not transitive.
Let A be the parent of B, and B be the parent of C. Since A > B and B > C, then it must be the case that A > C. However, if your comparator is invoked on A and C, it would return zero, meaning A == C. This violates the con...
Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
How do I count unique values inside a list
... the user for input and store the values in an array / list.
Then when a blank line is entered it will tell the user how many of those values are unique.
I'm building this for real life reasons and not as a problem set.
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How to concatenate columns in a Postgres SELECT?
I have two string columns a and b in a table foo .
8 Answers
8
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Expand a div to fill the remaining width
I want a two-column div layout, where each one can have variable width e.g.
21 Answers
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Are PHP Variables passed by value or by reference?
Are PHP variables passed by value or by reference?
14 Answers
14
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Function return value in PowerShell
I have developed a PowerShell function that performs a number of actions involving provisioning SharePoint Team sites. Ultimately, I want the function to return the URL of the provisioned site as a String so at the end of my function I have the following code:
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Python function as a function argument?
Can a Python function be an argument of another function?
10 Answers
10
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Mapping a function on the values of a map in Clojure
I want to transform one map of values to another map with the same keys but with a function applied to the values. I would think there was a function for doing this in the clojure api, but I have been unable to find it.
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