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return statement vs exit() in main()
...ata might not be flushed is in the opposite case: i.e. if one uses return from main() and one has called setbuf() or setvbuf() with a buffer declared as automatic storage in main() (as discussed in R.'s answer below). It's really too bad this question is tagged with both C and C++ (and coding-styl...
Const in JavaScript: when to use it and is it necessary?
I've recently come across the const keyword in JavaScript. From what I can tell, it is used to create immutable variables , and I've tested to ensure that it cannot be redefined (in Node.js):
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How does `scp` differ from `rsync`?
An article about setting up Ghost blogging says to use scp to copy from my local machine to a remote server:
7 Answers
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What is the difference between a JavaBean and a POJO?
...t doesn't have a requirement to implement a particular interface or derive from a particular base class, or make use of particular annotations in order to be compatible with a given framework, and can be any arbitrary (often relatively simple) Java object.
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Redirecting to URL in Flask
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You have to return a redirect:
import os
from flask import Flask,redirect
app = Flask(__name__)
@app.route('/')
def hello():
return redirect("http://www.example.com", code=302)
if __name__ == '__main__':
# Bind to PORT if defined, otherwise default to 500...
Extending the User model with custom fields in Django
...ow, mentioning that this is pretty drastic.]
I would definitely stay away from changing the actual User class in your Django source tree and/or copying and altering the auth module.
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Java: parse int value from a char
I just want to know if there's a better solution to parse a number from a character in a string (assuming that we know that the character at index n is a number).
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Stop node.js program from command line
...at, it sends SIGINT, which allows the program to end gracefully, unbinding from any ports it is listening on.
See also: https://superuser.com/a/262948/48624
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How to pick just one item from a generator?
... else:
do_generator_empty()
If you want "get just one element from the [once generated] generator whenever I like" (I suppose 50% thats the original intention, and the most common intention) then:
gen = myfunct()
while True:
...
if something:
for my_element in gen:
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Difference between Bridge pattern and Adapter pattern
...adFile types of file objects. Let's say you want to be able to read files from various sources (Maybe Linux vs. Windows implementations, etc.). Bridge helps you avoid winding up with:
MemoryMappedWindowsFile
MemoryMappedLinuxFile
DirectReadWindowsFile
DirectReadLinuxFile
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