大约有 43,000 项符合查询结果(耗时:0.0456秒) [XML]

https://stackoverflow.com/ques... 

How do you add an in-app purchase to an iOS application?

... are not authorized to make payments, // due to parental controls, etc } } // Call this when you want to restore all purchases // regardless of the productID you gave to the initializer public func beginRestorePurchases(){ // restore purchases, and give responses to self SKPayme...
https://stackoverflow.com/ques... 

WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED

... NOLOCK is local to the table (or views etc) READ UNCOMMITTED is per session/connection As for guidelines... a random search from StackOverflow and the electric interweb... Is the NOLOCK (Sql Server hint) bad practice? When is it appropriate to use NOLOCK? Get ...
https://stackoverflow.com/ques... 

How do I sort an observable collection?

...than ordering them like strings (1, 2, 20, 1000 instead of 1, 1000, 2, 20, etc.) – NielW Jul 8 '15 at 20:11 4 ...
https://stackoverflow.com/ques... 

How to change line width in ggplot?

...ze_manual," this is the same procedure for picking the color, fill, alpha, etc. library(ggplot2) library(tidyr) x = seq(0,10,0.05) df <- data.frame(A = 2 * x + 10, B = x**2 - x*6, C = 30 - x**1.5, X = x) df = gather(df,A,B,C,key="Model",valu...
https://stackoverflow.com/ques... 

Can JavaScript connect with MySQL?

... day to connect with server-side technologies (Apache, Nginx, PHP, NodeJS, etc) running on the server. The very definition of server/client requires that the "divide" between them be surmountable. – jeteon Sep 22 '15 at 9:25 ...
https://stackoverflow.com/ques... 

In Vim, how do I apply a macro to a set of lines?

...but all lines till end.. and still take care of the new line, doing stuff, etc. – ihightower Jan 19 '19 at 15:42 2 ...
https://stackoverflow.com/ques... 

What is the best way to implement constants in Java? [closed]

... Because you can change the objetc like jjnguy have showed, is best if your constatns are immutable objects or just plain primitive/strings. – marcospereira Sep 16 '08 at 1:38 ...
https://stackoverflow.com/ques... 

Converting NSString to NSDate (and back again)

...ng "10" for representing a year is not good, because it can be 1910, 1810, etc. You probably should use 4 digits for that. If you can change the date to something like yyyymmdd Then you can use: // Convert string to date object NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init]; [date...
https://stackoverflow.com/ques... 

Can multiple different HTML elements have the same ID if they're different elements?

...th these elements from JS, pass them as selectors to libraries/APIs/Flash, etc. – mrooney May 13 '13 at 20:55 ...
https://stackoverflow.com/ques... 

How do I force Postgres to use a particular index?

...what qualifies for a small table? Is it something like 5000 rows, or 50000 etc? – waffl Jul 22 '14 at 8:46 1 ...