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Efficient way to apply multiple filters to pandas DataFrame or Series
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e can also select rows based on values of a column that are not in a list or any iterable. We will create boolean variable just like before, but now we will negate the boolean variable by placing ~ in the front.
For example
list = [1...
What's the point of OOP?
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@BradGilbert: of course the asker selected an answer which aligns perfectly with the opinion in his initial question. Which raises the question, why bother asking the question if you already have decided on your answer?
– TM.
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What is the best project structure for a Python application? [closed]
...se in your projects. (Slight wrinkle: since on Windows, the interpreter is selected by the file extension, your Windows users actually do want the .py extension. So, when you package for Windows, you may want to add it. Unfortunately there's no easy distutils trick that I know of to automate this pr...
How can I efficiently download a large file using Go?
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The answer selected above using io.Copy is exactly what you need, but if you are interested in additional features like resuming broken downloads, auto-naming files, checksum validation or monitoring progress of multiple downloads, chec...
Java Serializable Object to Byte Array
...tegrate .jar file by clicking:
FileName -> Open Medule Settings -> Select your module -> Dependencies -> Add Jar file and you are done.
Hope this helps.
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What’s the best RESTful method to return total number of items in an object?
...ich may make sense in some use cases (e.g. /books/231/pages/52. I ended up selecting a wild range of frequently used request parameters such as pagesize, page[size] and limit etc in addition to supporting the Range header (and as request parameter as well).
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What is the order of precedence for CSS?
... attribute ) overrides css rules in style tag and css file
a more specific selector takes precedence over a less specific one
rules that appear later in the code override earlier rules if both have the same specificity.
A css rule with !important always takes precedence.
In your case its rule 3 th...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
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Rollback... will prompt you to select a folder to rollback, ie, it will work on specific folders, and you can rollback to labels or changlists or dates. Back out works on the files in specific changelists.
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String.IsNullOrWhiteSpace in LINQ Expression
...<string>(); var i = from m in my where !string.IsNullOrWhiteSpace(m) select m;
– Eric J.
Mar 7 '12 at 18:24
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Maven: The packaging for this project did not assign a file to the build artifact
...ins - install, as pointed with red arrow in below image.
Once I run the selected install under Lifecycle as illustrated above, the issue gone, and my maven install compile build successfully.
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