大约有 44,000 项符合查询结果（耗时：0.0800秒） [XML]
How to access accelerometer/gyroscope data from Javascript?
...cused around orientation and the last on motion:
ondeviceorientation is known to work on the desktop version of Chrome, and most Apple laptops seems to have the hardware required for this to work. It also works on Mobile Safari on the iPhone 4 with iOS 4.2. In the event handler function, you can a...
How to get first record in each group using Linq
...
@NikolayKostov I know about that, but I assumed the LINQ here is used as LINQ-to-object, not LINQ-to-entities, so we can safely use .First(). The OP's question looks really like just caring about linq-to-object, although he also tagged the que...
Difference between no-cache and must-revalidate
...
That's how I'm seeing it now. The interesting part is my last para, without an ETag or Last-Modified, the agent has nothing to use to validate what it has in cache and must download the whole payload again. So when the RFC says "revalidate" that prob...
Get time difference between two dates in seconds
...
time difference between now and 10 minutes later using momentjs
let start_time = moment().format('YYYY-MM-DD HH:mm:ss');
let next_time = moment().add(10, 'm').format('YYYY-MM-DD HH:mm:ss');
let diff_milliseconds = Date.parse(next_time) - Date.pars...
@RequestParam in Spring MVC handling optional parameters
...
As part of Spring 4.1.1 onwards you now have full support of Java 8 Optional (original ticket) therefore in your example both requests will go via your single mapping endpoint as long as you replace required=false with Optional for your 3 params logout, name, p...
Dynamically adding a form to a Django formset with Ajax
... the formset
3) User clicks the back button in the browser
4) Formset is now reduced to the original form, all dynamically added forms are not there
This is not a defect with Paolo's script at all; but a fact of life with dom manipulation and browser's cache.
I suppose one could store the values...
How to make git diff --ignore-space-change the default
...p your ~/.gitconfig or ./.git/config/ and append
[apply]
whitespace = nowarn
It might also not let you commit something that only changes whitespace, but I'm sure you can overrule that with some flags.
share
...
Reading/writing an INI file
...
Old now, and as much as I respect Raymond Chen, many of the limitations in that article were limitations of the specific INI library in Windows, and not the INI format itself. Others, like granular permissions, could be easily si...
Modifying a query string without reloading the page
...
great. so right now.. simply putting a # instead of a & when writing to window.location.href works for me. in that it doesn't reload the page. i am sure it will break once i test it in IE.. at which point i'll go with the library you sug...
How to use R's ellipsis feature when writing your own function?
...st.
A valid use case for this is in cases where you want to pass in an unknown number of objects for operation (as in your example of c() or data.frame()). It's not a good idea to use the ... when you know each parameter in advance, however, as it adds some ambiguity and further complication to th...