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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...
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...
jQuery .on('change', function() {} not triggering for dynamically created inputs
...f the dynamic part its after some div use that one, for example: $('#ajax_table').on('change', 'input', function() { ...
– Raul Gomez
Nov 15 '16 at 4:51
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How do I truncate a .NET string?
...t its length is not longer than a given value. I am writing to a database table and want to ensure that the values I write meet the constraint of the column's datatype.
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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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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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How to get current user, and how to use User class in MVC5?
...ith mvc5 (membership 2): User.Identity.GetUserId() is different with id in table [AspNetUsers]. So Jakub Arnold and Rok is correct way
– Grey Wolf
Sep 26 '14 at 7:18
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Reloading/refreshing Kendo Grid
...').data('kendoGrid').dataSource.read() refreshes the uid attributes of the table row
$('#GridName').data('kendoGrid').refresh() leaves the same uid
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Get the current user, within an ApiController action, without passing the userID as a parameter
...reating the IdentityDbContext.
If ever you are implementing a custom user table and owin token bearer authentication, kindly check on my answer.
How to get user context during Web Api calls?
Hope it still helps. :)
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