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How to find children of nodes using BeautifulSoup
... direct child:
# for only first direct child
soup.find("li", { "class" : "test" }).find("a", recursive=False)
If you want all direct children:
# for all direct children
soup.find("li", { "class" : "test" }).findAll("a", recursive=False)
...
Convert string to integer type in Go?
...
Here are three ways to parse strings into integers, from fastest runtime to slowest:
strconv.ParseInt(...) fastest
strconv.Atoi(...) still very fast
fmt.Sscanf(...) not terribly fast but most flexible
Here's a benchmark that shows usage and example timing for each function:
packa...
GroupBy pandas DataFrame and select most common value
...re's also an additional solution that supports multiple modes.
On a scale test that's representative of the data I'm working with, this reduced runtime from 37.4s to 0.5s!
Here's the code for the solution, some example usage, and the scale test:
import numpy as np
import pandas as pd
import rando...
MongoDB: How to update multiple documents with a single command?
...ment to update(), where the the third argument is the upsert argument:
db.test.update({foo: "bar"}, {$set: {test: "success!"}}, false, true);
For versions of mongodb 2.2+ you need to set option multi true to update multiple documents at once.
db.test.update({foo: "bar"}, {$set: {test: "success!"...
Test iOS app on device without apple developer program or jailbreak
How can I test an iOS application on my iPod Touch without registering for the Apple Developer Program or jailbreaking my iPod?
...
How do I detect unsigned integer multiply overflow?
...ur (UB) has occurred and your program can do anything (for example: render tests inconclusive).
#include <limits.h>
int a = <something>;
int x = <something>;
a += x; /* UB */
if (a < 0) { /* Unreliable test */
/* ... */
}
To create a conforming progr...
Mockito test a void method throws an exception
...void return type. It can also throw a number of exceptions so I'd like to test those exceptions being thrown. All attempts have failed with the same reason:
...
Overriding id on create in ActiveRecord
...
Try
a_post = Post.new do |p|
p.id = 10
p.title = 'Test'
p.save
end
that should give you what you're looking for.
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Correct way to detach from a container without stopping it
In Docker 1.1.2 (latest), what's the correct way to detach from a container without stopping it?
10 Answers
...
How to see which flags -march=native will activate?
...s (an Intel Core2 and AMD Phenom), so I suggest also running the following script to be sure that all of these -mno-* flags can be safely stripped.
#!/bin/bash
gcc_cmd="gcc"
# Optionally supply path to gcc as first argument
if (($#)); then
gcc_cmd="$1"
fi
with_mno=$(
"${gcc_cmd}" -march=...