大约有 47,000 项符合查询结果(耗时:0.0451秒) [XML]

https://stackoverflow.com/ques... 

Offset a background image from the right using CSS

...10px from the right */ background-position: right 10px top; As far as I know this is not supported in IE8. In latest Chrome/Firefox it works fine. See Can I use for details on the supported browsers. Used source: http://tanalin.com/en/blog/2011/09/css3-background-position/ Update: This feature...
https://stackoverflow.com/ques... 

Showing Difference between two datetime values in hours

... get the actual Hours, Minutes and Seconds. DateTime startTime = DateTime.Now; DateTime endTime = DateTime.Now.AddSeconds( 75 ); TimeSpan span = endTime.Subtract ( startTime ); Console.WriteLine( "Time Difference (seconds): " + span.Seconds ); Console.WriteLine( "Time Difference (minutes): " ...
https://stackoverflow.com/ques... 

How to compare dates in Java? [duplicate]

...acto standard date and time library for Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310). Back-ports are available for Java 6 and 7 as well as Android. share | improv...
https://stackoverflow.com/ques... 

Convert UTC to local time in Rails 3

...rake -D time So, to convert to EST, catering for DST automatically: Time.now.in_time_zone("Eastern Time (US & Canada)") share | improve this answer | follow ...
https://stackoverflow.com/ques... 

add created_at and updated_at fields to mongoose schemas

... As of Mongoose 4.0 you can now set a timestamps option on the Schema to have Mongoose handle this for you: var thingSchema = new Schema({..}, { timestamps: true }); You can change the name of the fields used like so: var thingSchema = new Schema({....
https://stackoverflow.com/ques... 

force client disconnect from server with socket.io and nodejs

... Edit: This is now possible You can now simply call socket.disconnect() on the server side. My original answer: This is not possible yet. If you need it as well, vote/comment on this issue. ...
https://stackoverflow.com/ques... 

How do you performance test JavaScript code?

...and easy to use, as are console.time(), console.profile(), and performance.now(). Chrome also gives you a timeline view which can show you what is killing your frame rate, where the user might be waiting, etc. Finding documentation for all these tools is really easy, you don't need an SO answer for...
https://stackoverflow.com/ques... 

How to display the current year in a Django template?

... The full tag to print just the current year is {% now "Y" %}. Note that the Y must be in quotes. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How do I get the last day of a month?

... You can find the last date of any month by this code: var now = DateTime.Now; var startOfMonth = new DateTime(now.Year, now.Month, 1); var DaysInMonth = DateTime.DaysInMonth(now.Year, now.Month); var lastDay = new DateTime(now.Year, now.Month, DaysInMonth); ...
https://stackoverflow.com/ques... 

What's the difference between the 'ref' and 'out' keywords?

... @Deebster you know, that metaphor never did anything to you, why must you torture it so? ;) – Michael Blackburn Aug 8 '11 at 16:09 ...