大约有 45,000 项符合查询结果(耗时:0.0540秒) [XML]

https://stackoverflow.com/ques... 

0.1 float is greater than 0.1 double. I expected it to be false [duplicate]

...he rounding mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is: 0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂ ^ ^ ^ ^ 1 10 20 24 So if we round up a...
https://stackoverflow.com/ques... 

How to persist a property of type List in JPA?

What is the smartest way to get an entity with a field of type List persisted? 12 Answers ...
https://stackoverflow.com/ques... 

How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)

... Update This answer is, as I write this, nearly eight years old, and about five years stale. But it's still (as I write this) the "accepted" answer, because it answered the question when it was asked. The newer answer, that applies to the newer Android St...
https://stackoverflow.com/ques... 

Static hosting on Amazon S3 - DNS Configuration

I'm working on a little webapp (all client-side) I want to host it on Amazon S3. I've found several guides on this and have managed to create myself a bucket (with the same name as my domain), set it as a website and upload some content. ...
https://stackoverflow.com/ques... 

Most efficient way to check for DBNull and then assign to a variable?

...follow | edited Jan 24 '18 at 10:50 community wiki ...
https://stackoverflow.com/ques... 

PHP - concatenate or directly insert variables in string

..., you should really choose the one you prefer :-) Personally, I would go with your second solution in such a case (Variable interpolation), which I find easier to both write and read. The result will be the same; and even if there are performance implications, those won't matter 1. As a sidenote...
https://stackoverflow.com/ques... 

Recommended add-ons/plugins for Microsoft Visual Studio [closed]

... plugins for Microsoft Visual Studio ? Freebies are preferred, but if it is worth the cost then that's fine. 77 Answer...
https://stackoverflow.com/ques... 

How do I loop through a list by twos? [duplicate]

I want to loop through a Python list and process 2 list items at a time. Something like this in another language: 7 Answers...
https://stackoverflow.com/ques... 

Open directory dialog

...from Win32, but unfortunately the dialog requires file(s) to be selected - it stays open if I simply click OK without choosing one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. ...
https://stackoverflow.com/ques... 

What underlies this JavaScript idiom: var self = this?

I saw the following in the source for WebKit HTML 5 SQL Storage Notes Demo : 10 Answers ...