大约有 40,000 项符合查询结果(耗时:0.0477秒) [XML]

https://stackoverflow.com/ques... 

Why does Math.Round(2.5) return 2 instead of 3?

...lows IEEE Standard 754, section 4. This kind of rounding is sometimes called rounding to nearest, or banker's rounding. It minimizes rounding errors that result from consistently rounding a midpoint value in a single direction. You can specify how Math.Round should round mid-points usi...
https://stackoverflow.com/ques... 

How to convert date to timestamp in PHP?

... With DateTime API: $dateTime = new DateTime('2008-09-22'); echo $dateTime->format('U'); // or $date = new DateTime('2008-09-22'); echo $date->getTimestamp(); The same with the procedural API: $date = date_create('2008-09-22'...
https://stackoverflow.com/ques... 

Is It Possible to Sandbox JavaScript Running In the Browser?

...vaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML page. ...
https://stackoverflow.com/ques... 

How to convert TimeStamp to Date in Java?

...e date is in milliseconds and the timestamp is in seconds ! Same think for all other convertion ! It's good ? – VincentLamoute Apr 19 '13 at 14:43 ...
https://stackoverflow.com/ques... 

What is the difference between Builder Design pattern and Factory Design pattern?

... With design patterns, there usually is no "more advantageous" solution that works for all cases. It depends on what you need to implement. From Wikipedia: Builder focuses on constructing a complex object step by step. Abstract Factory emphasiz...
https://stackoverflow.com/ques... 

How to call a method after bean initialization is complete?

I have a use case where I need to call a (non-static) method in the bean only-once at the ApplicationContext load up. Is it ok, if I use MethodInvokingFactoryBean for this? Or we have a some better solution? ...
https://stackoverflow.com/ques... 

Why is Class.newInstance() “evil”?

... This is the very nature of reflection in general ... not at all specific to Constructor.newInstance(). – Ryan Delucchi Oct 24 '08 at 23:35 29 ...
https://stackoverflow.com/ques... 

How to get the current date and time

...e(); In the words of the Javadocs for the zero-argument constructor: Allocates a Date object and initializes it so that it represents the time at which it was allocated, measured to the nearest millisecond. Make sure you're using java.util.Date and not java.sql.Date -- the latter doesn't hav...
https://stackoverflow.com/ques... 

Force browser to download image files on click

... Not fully supported in all browsers yet but it's a good solution if you don't care about IE or Safari. caniuse.com/#feat=download – stacigh Sep 23 '14 at 18:41 ...
https://stackoverflow.com/ques... 

Decode Base64 data in Java

...), while the private Sun and the Commons implementations use this. Specifically, for String bigger than 76 characters, newlines are added. I didn't find how to configure JAXB's implementation for this behavior... :-( – KLE Mar 18 '10 at 10:25 ...