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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"...
Are PHP short tags acceptable to use?
...to know that ASP tags <% , %> , <%= , and script tag are removed from PHP 7. So if you would like to support long-term portable code and would like switching to the most modern tools consider changing that parts of code.
...
Node.js or Erlang
...
@p_l From what I understand, the node approach is slightly different. While node is very good at handling async IO calls (ie web requests) it runs in a single-threaded environment. So it's great at dispatching but not so good at C...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
...pe of attack and they have numerous protections that will keep the penises from penetrating the reCAPTCHA barrier.
Optimizing reCAPTCHA
As appealing as the notion of sprinkling the word ‘penis’ into texts, the Anonymous team knew that the clock was ticking, and if they were going to re...
Index all *except* one item in python
...ething similar can be achieved using itertools without numpy
>>> from itertools import compress
>>> arr = range(1,10)
>>> mask = [1]*len(arr)
>>> mask[5]=0
>>> list(compress(arr,mask))
[1, 2, 3, 4, 5, 7, 8, 9]
...
How to fix the flickering in User controls
In my application i am constantly moving from one control to another. I have created no. of user controls, but during navigation my controls gets flicker. it takes 1 or 2 sec to update. I tried to set this
...
Sound effects in JavaScript / HTML5
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Thanks for noting this. I learned this method from has.js, but I find it has some issues in Firefox, and apparently in Opera too according to the has.js source code. (refs: github.com/phiggins42/has.js/issues/48 github.com/phiggins42/has.js/blob/master/detect/audio.js#L1...
Uses for the Java Void Reference Type?
...t is also often used in for example Map values (although Collections.newSetFromMap uses Boolean as maps don't have to accept null values) and java.security.PrivilegedAction.
I wrote a weblog entry on Void a few years back.
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Benefits of header-only libraries
...tages of a header-only library:
Bigger object files. Every inline method from the library that is used in some source file will also get a weak symbol, out-of-line definition in the compiled object file for that source file. This slows down the compiler and also slows down the linker. The compiler...
Makefiles with source files in different directories
... I cant believe this simple perfect answer hasn't got more votes. Its a +1 from me.
– Nicholas Hamilton
Jun 15 '14 at 17:00
2
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