大约有 3,100 项符合查询结果（耗时：0.0297秒） [XML]
Redirecting to a certain route based on condition
... @sonicboom $locationChangeStart doesn't make sense if not all routes require authentication, with $routeChangeStart you can have metadata on the route objects, such as whether or not it is authenticated or what roles are require for that route. Your server should handle not showing unauthenticate...
Creating a segue programmatically
I have a common UIViewController that all my UIViewsControllers extend to reuse some common operations.
13 Answers
...
What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter?
...ntain a lot of heavy data (like Bitmaps), then FragmentPagerAdapter might suit you well. Also, keep in mind that ViewPager by default will load 3 fragments into memory. The first Adapter you mention might destroy View hierarchy and re load it when needed, the second Adapter only saves the state of t...
Android: What is android.R.id.content used for?
...al example of it's use can be found in paragraph 2: developer.android.com/guide/topics/ui/actionbar.html#Tabs
– OrhanC1
Apr 13 '14 at 18:54
4
...
How can I shrink the drawable on a button?
...
I have found a very simple and effective XML solution that doesn't require ImageButton
Make a drawable file for your image as below and use it for android:drawableLeft
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
...
Is there a way to use PhantomJS in Python?
...ing Node's package manager install phantomjs: npm -g install phantomjs-prebuilt
install selenium (in your virtualenv, if you are using that)
After installation, you may use phantom as simple as:
from selenium import webdriver
driver = webdriver.PhantomJS() # or add to your PATH
driver.set_window...
JavaScript for…in vs for
..."b" then "c"
The downside of using this is that if you're doing some non UI logic, your functions will be less portable to other frameworks. The each() function is probably best reserved for use with jQuery selectors and for( ; ; ) might be advisable otherwise.
...
Validating IPv4 addresses with regexp
...u need parentheses around your alternation otherwise the (\.|$) is only required if the number is less than 200.
'\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}\b'
^ ^
share
...
Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
...
They do something quite different.
The first one takes the anonymous delegate, and runs multiple threads on this code in parallel for all the different items.
The second one not very useful in this scenario. In a nutshell it is intended to d...
Fat models and skinny controllers sounds like creating God models [closed]
...or step.
Some theory
People giving that advice seem to be afflicted by a quite common misconception. So let me begin by clearing it up: Model, in modern MVC design pattern, is NOT a class or object. Model is a layer.
The core idea behind MVC pattern is Separation of Concerns and the first step in i...