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Change one value based on another value in pandas
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One option is to use Python's slicing and indexing features to logically evaluate the places where your condition holds and overwrite the data there.
Assuming you can load your data directly into pandas with pandas.read_csv then the following code might be helpful for you.
import pandas
df...
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
...ect (thanks to Robert Siemer’s answer for pointing it out).
The practical difference comes when using a local branch named differently:
git checkout -b mybranch origin/abranch will create mybranch and track origin/abranch
git checkout --track origin/abranch will only create 'abranch', not a b...
What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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Rebasing and what does one mean by rebasing pushed commits
... ProGit book has a good explanation.
The specific answer to your question can be found in the section titled "The Perils of Rebasing". A quote from that section:
When you rebase stuff, you’re
abandoning existing commits and
creating new ones that are similar but
different. If you push ...
What's the difference between a catalog and a schema in a relational database?
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From the relational point of view :
The catalog is the place where--among other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept.
In other words, the ...
Is it possible to rename a maven jar-with-dependencies?
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You can specify the finalName property to give the jar the name you want, and specify that appendAssemblyId should be false to avoid the "jar-with-dependencies" suffix.
The configuration below will output a jar called "test.jar"...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...ystem is indeed 1 µs. This clock wraps around once it tops out (this typically happens after ~2^32 ticks, which is not very long for a 1 MHz clock). man clock says that since glibc 2.18 it is implemented with clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) in Linux.
clock_gettime(CLOCK_MONOTONIC, .....
What is the usefulness of PUT and DELETE HTTP request methods?
...en by human intervention (or other means) on the origin server. The client cannot be guaranteed that the operation has been carried out, even if the status code returned from the origin server indicates that the action has been completed successfully …
PUT is for putting or updating a resource o...
How do you track record relations in NoSQL?
...types of queries (comments for any article by a given user). If your application has the need for both types of queries to be equally optimized, you should not denormalize. And likewise, you should not use a NoSQL solution if you need to use the data in a relational way.
There is a risk with deno...