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pandas: multiple conditions while indexing data frame - unexpected behavior
I am filtering rows in a dataframe by values in two columns.
3 Answers
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How to pass the -D System properties while testing on Eclipse?
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Is there any way to set this to happen by default, so you don't have to manually enter this repeatedly for many tests?
– Stewart
Mar 28 '16 at 22:24
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Spring: how do I inject an HttpServletRequest into a request-scoped bean?
...estAttributes. This wrapper object is bound to ThreadLocal and is obtained by calling the static method RequestContextHolder.currentRequestAttributes().
ServletRequestAttributes provides the method getRequest() to get the current request, getSession() to get the current session and other methods to...
Date.getDay() javascript returns wrong day
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use .getDate instead of .getDay.
The value returned by getDay is an integer corresponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.
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Find string between two substrings [duplicate]
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Agreed. I'd use the solution by @Tim McNamara , or the suggestion by the same of something like start+test+end in substring
– jdd
Jul 30 '10 at 12:31
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Disable IntelliJ Starred (Package) Imports?
... the "Class count to use import with " text boxes. Swing and AWT are there by default I think. I still was having import javax.swing.; added even though I had the class count set to 999. I used the minus sign button to remove Swing and Awt from the box and then it worked.
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Which MIME type to use for a binary file that's specific to my program?
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mimetype headers are recognised by the browser for the purpose of a (fast) possible identifying a handler to use the downloaded file as target, for example, PDF would be downloaded and your Adobe Reader program would be executed with the path of the PDF fil...
How do I add BundleConfig.cs to my project?
...T 5" it has stopped using "bundling and minification" instead was replaced by gulp, bower, and npm. More information see https://jeffreyfritz.com/2015/05/where-did-my-asp-net-bundles-go-in-asp-net-5/
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What are valid values for the id attribute in HTML?
...ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
HTML 5 is even more permissive, saying only that an id must contain at least one character and may not contain any...
Impossible to make a cached thread pool with a size limit?
...as the following several key behaviors, and your problems can be explained by these behaviors.
When tasks are submitted,
If the thread pool has not reached the core size, it creates new threads.
If the core size has been reached and there is no idle threads, it queues tasks.
If the core size has ...