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HTTP error 403 in Python 3 Web Scraping
...ily detected). Try setting a known browser user agent with:
from urllib.request import Request, urlopen
req = Request('http://www.cmegroup.com/trading/products/#sortField=oi&sortAsc=false&venues=3&page=1&cleared=1&group=1', headers={'User-Agent': 'Mozilla/5.0'})
webpage = urlop...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...ss my storage values in other pages? For example, I have this in my helper.php var store = MemoryStorage('my-app'); store.setItem('myString', 'Hello MemoryStorage!'); I want to access the value of myString in lecture.php. I tried initiating memorystorage in the page but still it shows an empty objec...
How to extract a floating number from a string [duplicate]
...ng stuff in the following answer of mine that I did for a previous similar question:
https://stackoverflow.com/q/5929469/551449
In this answer, I proposed a pattern that allows a regex to catch any kind of number and since I have nothing else to add to it, I think it is fairly complete
...
What's the fastest way to merge/join data.frames in R?
...
In the sqldf code that was posted in the question, it might appear that indexes were used on the two tables but, in fact, they are placed on tables which were overwritten before the sql select ever runs and that, in part, accounts for why its so slow. The idea of sqldf is that the data frames in...
How to undo “git commit --amend” done instead of “git commit”
... Move the current head so that it's pointing at the old commit
# Leave the index intact for redoing the commit.
# HEAD@{1} gives you "the commit that HEAD pointed at before
# it was moved to where it currently points at". Note that this is
# different from HEAD~1, which gives you "the commit that i...
How to un-submodule a Git submodule?
...rm),
and remove the special entry representing that submodule SHA1 in the index of the parent repo (rm).
Once the removal of the submodule is complete (deinit and git rm), you can rename the folder back to its original name and add it to the git repo as a regular folder.
Note: if the submodule w...
How to include route handlers in multiple files in Express?
...e I was able to dynamically include all routes in a sub directory.
routes/index.js
var fs = require('fs');
module.exports = function(app){
fs.readdirSync(__dirname).forEach(function(file) {
if (file == "index.js") return;
var name = file.substr(0, file.indexOf('.'));
r...
Get the closest number out of an array
...to show this in action:
def closest (num, arr):
curr = arr[0]
for index in range (len (arr)):
if abs (num - arr[index]) < abs (num - curr):
curr = arr[index]
return curr
array = [2, 42, 82, 122, 162, 202, 242, 282, 322, 362]
number = 112
print closest (number, ar...
How do you implement a good profanity filter?
... some good examples as to how arrays can be used flexibly.
For additional PHP programming examples, see this page for a somewhat advanced generic class for word filtering that *'s out the center letters from censored words, and this previous Stack Overflow question that also has a PHP example (the ...
How big can a MySQL database get before performance starts to degrade
...ter. However if you are not ready for this yet, you can always tweak your indexes for the queries you are running to speed up the response times. Also there is a lot of tweaking you can do to the network stack and kernel in Linux that will help.
I have had mine get up to 10GB, with only a moderat...