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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
...-distinct values for the index are allowed, so the index may contain rows with identical values in all columns of the index. These indexes don't enforce any restraints on your data so they are used only for access - for quickly reaching certain ranges of records without scanning all records.
UNIQU...
What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...mon beginner mistake is when you try to use a class property "statically" without making an instance of that class. It leaves you with the mentioned error message:
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What are the dangers when creating a thread with a stack size of 50x the default?
I'm currently working on a very performance critical program and one path I decided to explore that may help reduce resource consumption was increasing my worker threads' stack size so I can move most of the data ( float[] s) that I'll be accesing onto the stack (using stackalloc ).
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Global Git ignore
I want to set up Git to globally ignore certain files.
12 Answers
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What is digest authentication?
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The main difference is that it doesn't require sending the username and password across the wire in plaintext. It is also immune to replay-attacks, as it uses a one-time number from the server.
The server gives the client a one-time use number (a nonce...
Jade: Links inside a paragraph
I'm trying to author a few paragraphs with Jade, but finding it difficult when there are links inside a paragraph.
13 Answ...
How to check if a string in Python is in ASCII?
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It's not inefficient. all() will short-circuit and return False as soon as it encounters an invalid byte.
– John Millikin
Oct 13 '08 at 20:03
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How to search and replace text in a file?
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fileinput already supports inplace editing. It redirects stdout to the file in this case:
#!/usr/bin/env python3
import fileinput
with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
for line in file:
print(line.replace(text_to_...
Generate pdf from HTML in div using Javascript
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jsPDF is able to use plugins. In order to enable it to print HTML, you have to include certain plugins and therefore have to do the following:
Go to https://github.com/MrRio/jsPDF and download the latest Version.
Include the following Scripts in your project:
jspdf.js
j...
Should methods that throw RuntimeException indicate it in method signature?
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I would not declare an unchecked exception in the signature, since it is misleading to the user of that API. It is no longer obvious whether the exception has to be explicitly handled.
Declaring it in the javadoc is a better approach since it allows someone to handle it if they think it is...