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Convert hex string to int in Python
How do I convert a hex string to an int in Python?
12 Answers
12
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How do you convert an entire directory with ffmpeg?
...you could use Bash parameter substitution if you would like to replace the string "x265" with "x264" if you're transcoding from H.265 to H.264 which is a common use case. for f in *.mkv; do ffmpeg -i "$f" -map 0 -movflags faststart -c:v libx264 -c:a copy -c:s copy "${f/x265/x264}"; done
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Alphabet range in Python
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>>> import string
>>> string.ascii_lowercase
'abcdefghijklmnopqrstuvwxyz'
If you really need a list:
>>> list(string.ascii_lowercase)
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', ...
How to compute the sum and average of elements in an array?
...age is: " + avg );
Just iterate through the array, since your values are strings, they have to be converted to an integer first. And average is just the sum of values divided by the number of values.
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How can I convert JSON to CSV?
... is as easy as using two commands!
pandas.read_json()
To convert a JSON string to a pandas object (either a series or dataframe). Then, assuming the results were stored as df:
df.to_csv()
Which can either return a string or write directly to a csv-file.
Based on the verbosity of previous ans...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...ion) :
base(null, innerException)
{
}
public override string Message
{
get
{
var innerException = InnerException as DbEntityValidationException;
if (innerException != null)
{
StringBuilder sb = new StringBui...
What is Delegate? [closed]
...eferred to as type safe function pointer. Here I am giving an example with String.
The following example shows a delegate operation:
namespace MyDelegate
{
class Program
{
private delegate void Show(string s);
// Create a method for a delegate.
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Any reason to prefer getClass() over instanceof when generating .equals()?
...return super.equals(object) when !(object instanceof Dog) but checking the extra fields when it is a Dog instance wouldn't violate symmetry but would violate transitivity)
– Shadow Man
Jul 16 '19 at 0:16
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Using a Single Row configuration table in SQL Server database. Bad idea?
... same default value (null/empty?)
negative: everything has to be stored as strings (ie. nvarchar)
negative: when dealing with the settings in code, you have to know what type a setting is and cast it
The single row option is by far the easiest one to work with. This is because you can store each se...
In Python, how do I determine if an object is iterable?
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Checking for __iter__ works on sequence types, but it would fail on e.g. strings in Python 2. I would like to know the right answer too, until then, here is one possibility (which would work on strings, too):
from __future__ import print_function
try:
some_object_iterator = iter(some_object)...