大约有 16,000 项符合查询结果(耗时:0.0254秒) [XML]

https://stackoverflow.com/ques... 

How to import data from mongodb to pandas?

...database or even use find_one() to get only one element from the database, etc. and voila! share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

MySQL and GROUP_CONCAT() maximum length

...your variables may be different. then mySQL="SELECT GROUP_CONCAT(......);" etc I use the last version since I do not have the privileges to change the default value of 1024 globally (using cPanel). Hope this helps. share ...
https://stackoverflow.com/ques... 

Can I set the height of a div based on a percentage-based width? [duplicate]

... I hate how you can do 3D transforms, shadows, rounded corners, etc easily in CSS, but to have a square div requires a hack... – Jonathan. Sep 29 '14 at 17:45 3 ...
https://stackoverflow.com/ques... 

URL encoding in Android

...tions of a URI. Unfortunately each portion of the URI (host, path, query, etc.) has slightly different encoding rules. – D.Shawley Jul 20 '10 at 1:49 2 ...
https://stackoverflow.com/ques... 

How to find the duration of difference between two dates in java?

... try the following { Date dt2 = new DateAndTime().getCurrentDateTime(); long diff = dt2.getTime() - dt1.getTime(); long diffSeconds = diff / 1000 % 60; long diffMinutes = diff / (60 * 1000) % 60; long diffHours = diff / (60 * 60 * 1000); ...
https://stackoverflow.com/ques... 

Get decimal portion of a number with JavaScript

.... What we have here is false precision, and my experiments with floor, %, etc indicate that Javascript is fond of false precision for these operations. So I think the answers that are using conversion to string are on the right track. I would do this: var decPart = (n+"").split(".")[1]; Speci...
https://stackoverflow.com/ques... 

.Contains() on a list of custom class objects

...s( CartProduct other ) { // Would still want to check for null etc. first. return this.ID == other.ID && this.Name == other.Name && this.Number == other.Number && this.CurrentPrice == other.CurrentPrice; ...
https://stackoverflow.com/ques... 

Batch: Remove file extension

...the batch file without its extension, %~dpn1 will be %1 without extension, etc. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Android: Clear the back stack

....this.finish(); // if the activity running has it's own context // view.getContext().finish() for fragments etc. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to access a mobile's camera from a web app?

...clicks it the phone will ask if user wants to use camera (or file managers etc..) to upload a file. Just take a photo with the camera and it will automatically be added and uploaded. No idea about iphone. Maybe someone can enlighten on that. EDIT: Iphone works similarly. Sample of the input tag: ...