大约有 7,784 项符合查询结果（耗时：0.0231秒） [XML]
Best way to convert strings to symbols in hash
...ring and as Symbols:
my_hash.with_indifferent_access
see also:
http://api.rubyonrails.org/classes/ActiveSupport/HashWithIndifferentAccess.html
Or you can use the awesome "Facets of Ruby" Gem, which contains a lot of extensions to Ruby Core and Standard Library classes.
require 'facets'
...
jQuery: Check if div with certain class name exists
... is zero, it evaluates to false
if ($('div.mydivclass').length) {
http://api.jquery.com/size/
http://api.jquery.com/length/
UPDATE
The selected answer uses a perf test, but it's slightly flawed since it is also including element selection as part of the perf, which is not what's being tested he...
Node.js Mongoose.js string to ObjectId function
...invalid string? Looking for the best way to do input validation in a REST API for mongo id fields.
– Zambonilli
Jul 21 '14 at 18:42
1
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Jelly Bean DatePickerDialog — is there a way to cancel?
...alog.java checks for a null whenever it reads mCallback (since the days of API 3/1.5 it seems --- can't check Honeycomb of course), it won't trigger the exception. Considering Lollipop fixed the issue, I'm not going to look into it: just use the default implementation (covered in the class I provide...
How to get started on TDD with Ruby on Rails? [closed]
...ou write your application code. The cycle is generally write a test for an API that doesn't exist, run the test expecting it to fail, go write your API code, run your test again and make sure it passes. Then write your next test... and so on.
You might also be interested in this Rails guide.
...
How to remove/change JQuery UI Autocomplete Helper text?
... Worked for me with noResults:''. Wonder why it's not documented on api.jqueryui.com
– Niels Steenbeek
Jan 22 '13 at 12:59
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How to import classes defined in __init__.py
... Helpers in init.py should be for external users to simplify your API.
– Aaron Maenpaa
Feb 24 '09 at 19:31
1
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Storing Image Data for offline web application (client-side storage database)
...ndexedDB for IE and FireFox
Chrome: Polyfill (blob stored using FileSystem API, reference kept in IndexedDB) polyfill
A Must read article on "How the browsers store IndexedDB data"
http://www.aaron-powell.com/web/indexeddb-storage
Note: FireFox uses SQLlite for the NOSQL IndexedDB. That might be t...
Finding all objects that have a given property inside a collection [duplicate]
...
Try the commons collections API:
List<Cat> bigList = ....; // master list
Collection<Cat> smallList = CollectionUtils.select(bigList, new Predicate() {
public boolean evaluate(Object o) {
Cat c = (Cat)o;
return c.getFav...
How do I get the key at a specific index from a Dictionary in Swift?
...nce it didn't actually apply to the question.
– Rob Napier
Jul 8 '14 at 21:16
9
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