大约有 18,340 项符合查询结果（耗时：0.0410秒） [XML]
iOS: How to store username/password within an app?
...no need to delete it when app quits (if that was your concern).
Apple provides sample code that stores, reads and deletes keychain items and here is how to use the keychain wrapper class from that sample which greatly simplifies using Keychain.
Include Security.framework (in Xcode 3 right-click on...
How to generate a new Guid in stored procedure?
...
With SQL Server you can use the function NEWID. You're using C# so I assume that you're using SQL Server. I'm sure other database system have similar functions.
select NEWID()
If you're using Oracle then you can use the SYS_GUID() function. Check out the answer to t...
Generating a random & unique 8 character string using MySQL
...yVolk's or @GordonLinoff's approach, but with a seeded RAND:
e.g. Assumin id is an AUTO_INCREMENT column:
INSERT INTO vehicles VALUES (blah); -- leaving out the number plate
SELECT @lid:=LAST_INSERT_ID();
UPDATE vehicles SET numberplate=concat(
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', ...
How do I get the value of a textbox using jQuery?
...
There's a .val() method:
If you've got an input with an id of txtEmail you can use the following code to access the value of the text box:
$("#txtEmail").val()
You can also use the val(string) method to set that value:
$("#txtEmail").val("something")
...
using data-* attribute with thymeleaf
...ues.
For your scenario, this should do the job:
<div th:attr="data-el_id=${element.getId()}">
XML rules do not allow you to set an attribute twice in a tag, so you can't have more than one th:attr in the same element.
Note: If you want more that one attribute, separate the different attr...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
If cee157 can refer to 2 different commit IDs, such as
2 Answers
2
...
One-liner to take some properties from object in ES 6
...
Here's something slimmer, although it doesn't avoid repeating the list of fields. It uses "parameter destructuring" to avoid the need for the v parameter.
({id, title}) => ({id, title})
(See a runnable example in this other answer).
@EthanBrown's solution is more gen...
When should I use the assets as opposed to raw resources in Android?
I'm in the mid of my Android studies, and I just covered the Assets and Raw resources. I'm trying to understand the reason for using Raw resources vs. Assets.
...
How to find out which view is focused?
I need to find out if any view is focused inside an Activity and what view it is. How to do this?
6 Answers
...
NSURLRequest setting the HTTP header
...P header for a request. In the documentation for the NSURLRequest class I didn't find anything regarding the HTTP header. How can I set the HTTP header to contain custom data?
...