大约有 30,000 项符合查询结果（耗时：0.0305秒） [XML]
When to use f:viewAction / preRenderView versus PostConstruct?
... I mentioned bean scope because @PostConstruct would only be called once if the bean were SessionScoped (at the time bean is first created) but preRenderView would be called every time the page is accessed. Or did I get that wrong?
– BestPractices
...
HTML5 Audio stop function
...pause();
this.currentTime = 0;
};
I have this in a javascript file I called "AudioPlus.js" which I include in my html before any script that will be dealing with audio.
Then you can call the stop function on audio objects:
audio.stop();
FINALLY CHROME ISSUE WITH "canplaythrough":
I have n...
Why do some websites add “Slugs” to the end of URLs? [closed]
Many websites, including this one, add what are apparently called slugs - descriptive but as far as I can tell useless bits of text - to the end of URLs.
...
Converting a generic list to a CSV string
...ring.Join<T>(string, IEnumerable<T>). This method will automatically project each element x to x.ToString().
share
|
improve this answer
|
follow
|...
jQuery scroll to element
...rolled to the right position, and if a user copies the URL it will automatically snap to the right place on the page.
– Sander
Jan 23 '14 at 8:09
10
...
How do JavaScript closures work?
...eclared outside the function, regardless of when and where the function is called.
If a function was called by a function, which in turn was called by another function, then a chain of references to outer lexical environments is created. This chain is called the scope chain.
In the following code, i...
NHibernate ISession Flush: Where and when to use it, and why?
...
Briefly:
Always use transactions
Don't use Close(), instead wrap your calls on an ISession inside a using statement or manage the lifecycle of your ISession somewhere else.
From the documentation:
From time to time the ISession will execute the SQL statements needed to synchronize the ADO.NET...
How to change the text on the action bar
...ty.
You can also set the title text from code if you want to set it dynamically.
setTitle(address.getCity());
with this line the title is set to the city of a specific adress in the oncreate method of my activity.
share
...
What is the colon operator in Ruby?
... 0.180000 0.000000 0.180000 ( 0.179374)
Both symbol tests are basically the same as far as speed. After 1,000,000 iterations there's only 0.004733 second difference, so I'd say it's a wash between which to use.
shar...
Show or hide element in React
...
React circa 2020
In the onClick callback, call the state hook's setter function to update the state and re-render:
const Search = () => {
const [showResults, setShowResults] = React.useState(false)
const onClick = () => setShowResults(true)...