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How do you 'redo' changes after 'undo' with Emacs?
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Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a navigation command such...
Can Flask have optional URL parameters?
Is it possible to directly declare a flask URL optional parameter?
11 Answers
11
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Circular (or cyclic) imports in Python
...e was a really good discussion on this over at comp.lang.python last year. It answers your question pretty thoroughly.
Imports are pretty straightforward really. Just remember the following:
'import' and 'from xxx import yyy' are executable statements. They execute
when the running progra...
Disable migrations when running unit tests in Django 1.7
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like syncdb did in 1.6. I defined a new settings module just for unit
tests called "settings_test.py", which imports * from the main
settings module and adds this line:
MIGRATION_MODULES = {"myapp": "myapp.migrations_not_used_in_tests"}
Then I run tests like this:
DJANGO_S...
Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
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// This software is provided "as is", with no warranty.
#if !defined(_MARKUP_H_INCLUDED_)
#define _MARKUP_H_INCLUDED_
#include <stdlib.h>
#include <string.h> // memcpy, memset, strcmp...
// Major build options
// MARKUP_WCHAR wide char (2-byte UTF-16 on Windows, 4-byte UTF-32 on Linux...
Setting up two different static directories in node.js Express framework
Is it possible? I would like to set up two different directories to serve static files. Let's say /public and /mnt
4 Answer...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
... a reference to your Model property to attach the PropertyChanged event to it, then you can use a Messaging system such as Prism's EventAggregator or MVVM Light's Messenger.
I have a brief overview of messaging systems on my blog, however to summarize it, any object can broadcast a message, and any...
Greenlet Vs. Threads
... to gevents and greenlets. I found some good documentation on how to work with them, but none gave me justification on how and when I should use greenlets!
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Find out time it took for a python script to complete execution
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edited Feb 13 '18 at 18:23
Archie
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answ...
Pass data to layout that are common to all pages
I have a website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties.
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