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Error Dropping Database (Can't rmdir '.test\', errno: 17)
...next process was to display the default databases (info. schema, mysql and test) which was achieved by using "SHOW DATABASES;"
...
Simple Digit Recognition OCR in OpenCV-Python
...txt('generalresponses.data',responses)
Now we enter in to training and testing part.
For testing part I used below image, which has same type of letters I used to train.
For training we do as follows:
Load the txt files we already saved earlier
create a instance of classifier we are using ...
Why 0 is true but false is 1 in the shell?
...convention saying 0 means success, and other values mean some error.
With test, [ ] or [[ ]] operators, bash conditions evaluate as true in case of an exit code of 0 (the result of /bin/true). Otherwise they evaluate as false.
Strings are evaluated differently than exit codes:
if [ 0 ] ; then ech...
Why does calling a function in the Node.js REPL with )( work?
Why is it possible to call function in JavaScript like this, tested with node.js:
3 Answers
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Mongoose, Select a specific field with find
...who want to use where clause in above dbSchema.Somevalue.find({userEmail:'test@test.com'},'userEmail -_id', function(err, someValue)
– user2180794
May 26 '16 at 7:15
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Pickle or json?
...
The benchmark cited by @mac only tests strings. I tested str, int and float seperately and found out that json is slower than cPickle with float serialization, but faster with float unserialization. For int (and str), json is faster both ways. Data and code:...
Progress indicator during pandas operations
... internally..
here's the code from my gist (I'll add more pandas function tests there):
import pandas as pd
import numpy as np
import multiprocessing
from functools import partial
def _df_split(tup_arg, **kwargs):
split_ind, df_split, df_f_name = tup_arg
return (split_ind, getattr(df_spli...
Threading pool similar to the multiprocessing Pool?
...or something similar) as threading.ThreadPool, including documentation and tests. It would indeed be a good battery to include in the standard library, but it won't happen if nobody writes it. One nice advantage of this existing implementation in multiprocessing, is that it should make any such thre...
How can I quantify difference between two images?
... "compare the pixels one by one". What does that mean? Should the test fail if ONE of the 64^2 pixel-per-pixel tests fails?
– Federico A. Ramponi
Oct 15 '08 at 13:25
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Sending HTML email using Python
...msg = email.message.Message()
msg['Subject'] = 'foo'
msg['From'] = 'sender@test.com'
msg['To'] = 'recipient@test.com'
msg.add_header('Content-Type','text/html')
msg.set_payload('Body of <b>message</b>')
# Send the message via local SMTP server.
s = smtplib.SMTP('localhost')
s.starttls()...