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Convert Pandas column containing NaNs to dtype `int`
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My use case is munging data prior to loading into a DB table:
df[col] = df[col].fillna(-1)
df[col] = df[col].astype(int)
df[col] = df[col].astype(str)
df[col] = df[col].replace('-1', np.nan)
Remove NaNs, convert to int, convert to str and then reinsert NANs.
It's not pretty b...
How to clear all the jobs from Sidekiq?
...ean" all data stored in redis, it is equivalent to a drop database or drop table in relational databases.
– jonathanccalixto
Jun 18 '17 at 18:49
1
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SQL (MySQL) vs NoSQL (CouchDB) [closed]
...ission versus an automatic
transmission vehicle.
However the most notable similarity is
that just like most of us can’t really
take advantage of the benefits of a
manual transmission vehicle because
the majority of our driving is sitting
in traffic on the way to and from
work, t...
How to find if a given key exists in a C++ std::map
...sume so. For a language-agnostic discussion of your question, see Can hash tables really be O(1)?.
– DavidRR
May 14 '17 at 15:10
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Print all properties of a Python Class [duplicate]
...rint for example in order of declaration, and you do not want to do it manually, check this
– Matteo A
Aug 14 '15 at 8:41
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In what cases will HTTP_REFERER be empty
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browser compatibility table: developer.mozilla.org/en-US/docs/Web/HTTP/Headers/…
– djvg
Nov 29 '19 at 9:52
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Good PHP ORM Library?
...QL, SQLite, SQL Server/Sybase, Oracle, PostgreSQL, etc.
/* SQL */
CREATE TABLE products (
product_id INTEGER,
description VARCHAR(128),
PRIMARY KEY (product_id)
);
/* PHP */
// Create
$product=new Axon('products'); // Automatically reads the above schema
$product->product_id=123;
$...
How to add jQuery in JS file
I have some code specific to sorting tables. Since the code is common in most pages I want to make a JS file which will have the code and all the pages using it can reference it from there.
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Relationship between SciPy and NumPy
SciPy appears to provide most (but not all [1]) of NumPy's functions in its own namespace. In other words, if there's a function named numpy.foo , there's almost certainly a scipy.foo . Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object.
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How can I view MSIL / CIL generated by C# compiler? Why is it called assembly?
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Yes it is, more exactly in the .text section of the PE file (portable executable = *.exe or *.dll). More information can be found here.
The best choice is to use ILSpy (Reflector is no longer free). It's a free disassembler that can dissassemble your assembly into MSIL but also C#, VB (to...