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Pandas read_csv low_memory and dtype options
...oken data that breaks when dtypes are defined
import pandas as pd
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
csvdata = """user_id,username
1,Alice
3,Bob
foobar,Caesar"""
sio = StringIO(csvdata)
pd.read_csv(sio, dtype={"user_id": int, "username": "string"...
Get url without querystring
...lue2=goodbye");
string path = uri.GetLeftPart(UriPartial.Path);
Borrowed from here: Truncating Query String & Returning Clean URL C# ASP.net
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Unexpected Caching of AJAX results in IE8
I'm having a serious issue with Internet Explorer caching results from a JQuery Ajax request.
10 Answers
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Auto-reload browser when I save changes to html file, in Chrome?
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Whau! I'm using the script from your first link (goo.gl/FZJvdJ) with some little mods for Dart-Development with Chromium. Works like a charm!
– Mike Mitterer
Feb 19 '14 at 9:00
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Do sealed classes really offer performance Benefits?
... on the topic.
Note that any kind of performance benefit you would obtain from this level of optimization should be regarded as last-resort, always optimize on the algorithmic level before you optimize on the code-level.
Here's one link mentioning this: Rambling on the sealed keyword
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How do I call ::std::make_shared on a class with only protected or private constructors?
...e (tested with g++ 4.9.0). Without real parameters it tries to construct A from {}, although I have no idea why, and fails. I think making the this_is_private constructor private and providing a static method to create it fixes it, as there should be no way to access this method from the outside unl...
Set up git to pull and push all branches
...d to use second last (i.e. push master first) command while cloning a repo from Atlassian Stash to AWS CodeCommit (blank repo). I am not sure the reason, but after pushing (git push new-origin --mirror) default branch was referring to some other branch than master.
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What is DOM Event delegation?
...and code that dynamically creates new elements on the fly can be decoupled from the logic of binding their event handlers.
Another benefit to event delegation is that the total memory footprint used by event listeners goes down (since the number of event bindings go down). It may not make much of a...
“Uncaught Error: [$injector:unpr]” with angular after deployment
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If you follow your link, it tells you that the error results from the $injector not being able to resolve your dependencies. This is a common issue with angular when the javascript gets minified/uglified/whatever you're doing to it for production.
The issue is when you have e.g. a con...
Show a number to two decimal places
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echo round(520.3, 2); // 520.3
echo round(520, 2); // 520
From the manual:
Description:
float round(float $val [, int $precision = 0 [, int $mode = PHP_ROUND_HALF_UP ]]);
Returns the rounded value of val to specified precision (number of digits after the decimal point). p...