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What does the exclamation mark mean in a Haskell declaration?
...s I try to learn Haskell using a real project to drive it. I don't understand what the exclamation mark in front of each argument means and my books didn't seem to mention it.
...
Django Setup Default Logging
...': 1,
'disable_existing_loggers': True,
'formatters': {
'standard': {
'format': '%(asctime)s [%(levelname)s] %(name)s: %(message)s'
},
},
'handlers': {
'default': {
'level':'DEBUG',
'class':'logging.handlers.RotatingFileHand...
The Concept of 'Hold space' and 'Pattern space' in sed
I'm confused by the two concepts in sed: hold space and pattern space. Can someone help explain them?
3 Answers
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How to use Git properly with Xcode?
I have been an iphone developer for a while, and I have recently been including git in my workflow. I have used git settings found on http://shanesbrain.net/2008/7/9/using-xcode-with-git for my workflow so far.
...
$on and $broadcast in angular
I have a footerController and codeScannerController with different views.
4 Answers
4
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How to use Sphinx's autodoc to document a class's __init__(self) method?
...be skipped (which it is by default). This configuration is specified once, and it does not require any additional markup for every class in the .rst source.
The special-members option was added in Sphinx 1.1. It makes "special" members (those with names like __special__) be documented by autodoc.
S...
Phase • Animations made easy! - Extensions - Kodular Community
... "regular" scheme is dark */
/* user picked a theme a light scheme and also enabled a dark scheme */
/* deal with light scheme first */
@media (prefers-color-scheme: light) {
:root {
--primary: #000000;
--secondary: #ffffff;
--te...
How can I dynamically create derived classes from a base class
...
This bit of code allows you to create new classes with dynamic
names and parameter names.
The parameter verification in __init__ just does not allow
unknown parameters, if you need other verifications, like
type, or that they are mandatory, just add the logic
there:
class BaseClass(object):...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...
Following are the three commands which appears same but have minute differences
hadoop fs {args}
hadoop dfs {args}
hdfs dfs {args}
hadoop fs <args>
FS relates to a generic file system which can point to any file systems like local, HDF...
What's the point of map in Haskell, when there is fmap?
...or a map function? Couldn't it just be what is currently known as fmap and fmap could be removed from the language?
3...