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Get selected text from a drop-down list (select box) using jQuery
...ict rules (based on things like whether you put an ID on your control, and if not then based on the index of where they occur in the current level of the tree, etc)
– freefaller
Mar 9 '17 at 14:03
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Use curly braces to initialize a Set in Python
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Compare also the difference between {} and set() with a single word argument.
>>> a = set('aardvark')
>>> a
{'d', 'v', 'a', 'r', 'k'}
>>> b = {'aardvark'}
>>> b
{'aardvark'}
but both a and b are sets of ...
Visual Studio: Make view code default
... @user16547: Well look for anything that looks similar, basically. If you don't get anywhere, ask a new question with more details.
– Jon Skeet
Aug 21 '14 at 8:52
1
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What are the differences between BDD frameworks for Java? [closed]
... boiler-plate through composition of stories as pre-requisites)
Extensive (if fragmented) documentation and examples
Extensive (if overwhelming) support for different frameworks and environments
Excellent separation of story files from code
Looks to have a pretty active community and much more examp...
apache to tomcat: mod_jk vs mod_proxy
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What if your using Apache 2.0?
– blak3r
Aug 5 '11 at 22:42
11
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What does the “@” symbol mean in reference to lists in Haskell?
... between (1) or (2):(3).
This syntax actually works for any constructor; if you have data Tree a = Tree a [Tree a], then t@(Tree _ kids) gives you access to both the tree and its children.
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How can I change the current URL?
...ause the browser to load the new page, but it sounds like you'd like to modify the URL without leaving the current page. You have two options for this:
Use the URL hash. For example, you can go from example.com to example.com#foo without loading a new page. You can simply set window.location.ha...
How to create a listbox in HTML without allowing multiple selection?
...;/option>
<option>text5</option>
</select>
To clarify, adding the size attribute did not remove the multiple selection.
The single selection works because you removed the multiple="multiple" attribute.
Adding the size="5" attribute is still a good idea, it means that at le...
How to create a tuple with only one element
...fficient to enclose a single value in parentheses). Ugly, but effective.
If you truly hate the trailing comma syntax, a workaround is to pass a list to the tuple() function:
x = tuple(['a'])
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Ruby on Rails: How can I revert a migration with rake db:migrate?
...> is the version number of your migration file you want to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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