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How to convert UTF-8 byte[] to string?
... Well, good luck unpacking it if it has non-ascii. Just use Convert.ToBase64String.
– Erik Bergstedt
Dec 12 '15 at 10:30
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sh...
Get int value from enum in C#
...num would be to make use of the GetTypeCode method in conjunction with the Convert class:
enum Sides {
Left, Right, Top, Bottom
}
Sides side = Sides.Bottom;
object val = Convert.ChangeType(side, side.GetTypeCode());
Console.WriteLine(val);
This should work regardless of the underlying integr...
Why is printing to stdout so slow? Can it be sped up?
...andle to stdout with a big buffer yourself, using something like os.fdopen(sys.stdout.fileno(), 'w', BIGNUM). This would almost never be useful, though: almost all applications would have to remember to explicitly flush after each line of user-intended output.
– Pi Delport
...
image processing to improve tesseract OCR accuracy
I've been using tesseract to convert documents into text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - for example that generated by fax machines - is especially di...
Drop a temporary table if it exists
...DROP TABLE ##CLIENTS_KEYWORD
CREATE TABLE ##CLIENTS_KEYWORD
(
client_id INT
)
You could also consider truncating the table instead rather than dropping and recreating.
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
TRUNCATE TABLE ##CLIENTS_KEYWORD
ELSE
CREATE TABLE ##CLIENTS_KE...
Importing from a relative path in Python
...For example, it's popular with Django users.
You can add Common/ to your sys.path (the list of paths python looks at to import things):
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'Common'))
import Common
os.path.dirname(__file__) just gives you the directory th...
Python - Get path of root project structure
...
To get the path of the "root" module, you can use:
import os
import sys
os.path.dirname(sys.modules['__main__'].__file__)
But more interestingly if you have an config "object" in your top-most module you could -read- from it like so:
app = sys.modules['__main__']
stuff = app.config.somefun...
Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
...our source data is something other than "bytes" and you need to be able to convert to anything...this is is the library you should be using.
– James Blake
Oct 17 '18 at 16:12
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...and 1, respectively, in almost all contexts, the exception being that when converted to a string, the strings "False" or "True" are returned, respectively.
There is also, for Python 2:
In numeric contexts (for example when used as the argument to an arithmetic operator), they [False and True] ...
How to convert an Int to a String of a given length with leading zeros to align?
How can I convert an Int to a 7-character long String , so that 123 is turned into "0000123" ?
7 Answers
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