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Beautiful Soup and extracting a div and its contents by ID
...NOT return the <div id="articlebody"> ... </div> tags and stuff in between? It returns nothing. And I know for a fact it exists because I'm staring right at it from
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What is the use of the pipe symbol in YAML?
... editor after snippets, if snippets enabled
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How can I configure Logback to log different levels for a logger to different destinations?
How can I configure Logback to log different levels for a logger to different destinations?
12 Answers
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Case in Select Statement
...he searched CASE expression allows for values to be replaced in the result set based on comparison values. The following example displays the list price as a text comment based on the price range for a product.
USE AdventureWorks2012;
GO
SELECT ProductNumber, Name, "Price Range" =
CASE
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wkhtmltopdf: cannot connect to X server
...htmltopdf so that now you have an executable at /usr/local/bin/wkhtmltopdf
Set permissions: sudo chmod a+x /usr/local/bin/wkhtmltopdf
Install required support packages.
sudo apt-get install openssl build-essential xorg libssl-dev
Check to see if it works: run
/usr/local/bin/wkhtmltopdf http://w...
How to enable Bootstrap tooltip on disabled button?
...ups, I found you can't wrap them, or they won't get rendered correctly. I set pointer-events to 'auto' (just targeted with: "div.btn-group > .btn.disabled { pointer-events: auto; }" just in case), and also hooked up the onclick event of the button so it just returns false. Felt hacky, but it wo...
Actual meaning of 'shell=True' in subprocess
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>>> subprocess.call('echo $HOME', shell=True)
/user/khong
0
Setting the shell argument to a true value causes subprocess to spawn an intermediate shell process, and tell it to run the command. In other words, using an intermediate shell means that variables, glob patterns, and other s...
How do you calculate log base 2 in Java for integers?
...ck for non-zero if it can't prove it doesn't have to. The BMI instruction set extensions (Haswell and newer) introduced LZCNT, which fully implements numberOfLeadingZeros exactly, in a single instruction. They're both 3 cycle latency, 1 per cycle throughput. So I'd absolutely recommend using numb...
How can I reverse the order of lines in a file?
I'd like to reverse the order of lines in a text file (or stdin), preserving the contents of each line.
25 Answers
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initializer_list and move semantics
...es appropriately, unlike initializer_list.
In this example code, I used a set of small helper functions to convert the variadic arguments into a vector, to make it similar to the original code. But of course you can write a recursive function with variadic templates directly instead.
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