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Best way to use html5 data attributes with rails content_tag helper?
...
Rails 3.1 ships with built-in helpers:
http://api.rubyonrails.org/classes/ActionView/Helpers/TagHelper.html#method-i-tag
E.g.,
tag("div", :data => {:name => 'Stephen', :city_state => %w(Chicago IL)})
# => <div dat...
Reload Flask app when template file changes
...u can use
TEMPLATES_AUTO_RELOAD = True
From http://flask.pocoo.org/docs/1.0/config/
Whether to check for modifications of the template source and reload it automatically. By default the value is None which means that Flask checks original file only in debug mode.
...
What is HEAD in Git?
...to the local branch you’re currently on.
From the Pro Git book, chapter 3.1 Git Branching - Branches in a Nutshell, in the section Creating a New Branch:
What happens if you create a new branch? Well, doing so creates a new
pointer for you to move around. Let’s say you create a new branch...
How to get an array of specific “key” in multidimensional array without looping
...e that, you will need to copy that wp_list_pluck.
PHP < 5.3
Wordpress 3.1+
In Wordpress there is a function called wp_list_pluck
If you're using Wordpress that solves your problem.
PHP < 5.3
If you're not using Wordpress, since the code is open source you can copy paste the code in your p...
range() for floats
...y. Due to the curse of floating point arithmetics, for example frange(0.0, 1.0, 0.1) yields 11 values, where the last value is 0.9999999999999999. A practical improvement would be while x + sys.float_info.epsilon < y: although even this can probably fail with large numbers.
–...
What does the 'standalone' directive mean in XML?
... an example, consider the humble <img> tag. If you look at the XHTML 1.0 DTD, you see a markup declaration telling the parser that <img> tags must be EMPTY and possess src and alt attributes. When a browser is going through an XHTML 1.0 document and finds an <img> tag, it should no...
Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...字节表示一个符
号, 根据不同的符号而变化字节长度.
3.1 UTF-8的编码规则
UTF-8的编码规则很简单, 只有两条:
1) 对于单字节的符号, 字节的第一位设为0, 后面7位为这个符号的unicode码. 因此对于
英语字母, UTF-8编码和ASCII码...
How to take a screenshot programmatically on iOS
...csEndImageContext();
NSData *imageData = UIImageJPEGRepresentation(image, 1.0 ); //you can use PNG too
[imageData writeToFile:@"image1.jpeg" atomically:YES];
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Version vs build in Xcode
...uild number every time I build. See instructions for that below.
Release 1.0.0 might be build 542. It took 542 builds to get to a
1.0.0 release.
Release 1.0.1 might be build 578.
Release 1.1.0 might be build 694.
Release 2.0.0 might be build 949.
Other developers, including Apple, have a Build n...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...ed Oct 24 '18 at 13:08
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Jul 6 '16 at 16:55
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