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Change one value based on another value in pandas
...', 'LastName']] = 'Matt', 'Jones'
Note that you'll need pandas version 0.11 or newer to make use of loc for overwrite assignment operations.
Another way to do it is to use what is called chained assignment. The behavior of this is less stable and so it is not considered the best solution (it is...
Rails 4: before_filter vs. before_action
...ller::Base, before_action is just a new syntax for before_filter.
However all before_filters syntax are deprecated in Rails 5.0 and will be removed in Rails 5.1
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Apache Spark: map vs mapPartitions?
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I'm seeing the opposite -- even with very small operations, its faster to call mapPartitions and iterate than call map. I am assuming that this is just the overhead of starting the language engine that will process the map task. (I'm in R, which may have more startup...
What's the idiomatic syntax for prepending to a short python list?
... @MattM. If you insert at the front of a list, python has to move all the other items one space forwards, lists can't "make space at the front". collections.deque (double ended queue) has support for "making space at the front" and is much faster in this case.
– fejfo
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How to redirect 'print' output to a file using python?
... will 'print' the output for each of my .bam file while I want to redirect ALL these output to one file. So I tried to put
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Writing outputs to log file and console
...and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the executed script using the following code:
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Node.js Mongoose.js string to ObjectId function
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answered Dec 5 '11 at 23:56
Kevin DenteKevin Dente
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Can I list-initialize a vector of move-only type?
...nitializer list elements in the current revision of the language.
Specifically, we have:
typedef const E& reference;
typedef const E& const_reference;
typedef const E* iterator;
typedef const E* const_iterator;
const E* begin() const noexcept; // first element
const E* end() const noexce...
Intellij IDEA crashed, and now throws an error
...r IntelliJ version (This directory is "caches" in some versions.)
Remove all the files in the cache directory.
Then restart IntelliJ[AndroidStudio]
This has worked for me in the past.
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How to pass parameters to a partial view in ASP.NET MVC?
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Out of all the examples, this is the only one that fully worked for me. thanks
– BrianLegg
Nov 17 '15 at 21:05
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