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jQuery: How can i create a simple overlay?
...ity of 0.5:
#overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #000;
filter:alpha(opacity=50);
-moz-opacity:0.5;
-khtml-opacity: 0.5;
opacity: 0.5;
z-index: 10000;
}
This will be your jQuery code (no UI needed). Yo...
EF LINQ include multiple and nested entities
...
.Include(i => i.Lab)
.Single(x => x.Id == id);
Your solution fails because Include doesn't take a boolean operator
Include(i => i.Modules.Select(s => s.Chapters) && i.Lab)
^^^ ^ ^...
Primary key or Unique index?
...t SQL Server only allows one null value though.
– David Aldridge
Aug 30 '13 at 14:22
3
but still ...
Difference between Role and GrantedAuthority in Spring Security
...pressed as strings (with the getAuthority() method). Those strings let you identify the permissions and let your voters decide if they grant access to something.
You can grant different GrantedAuthoritys (permissions) to users by putting them into the security context. You normally do that by imple...
Postgres: INSERT if does not exist already
...amples. (1) INSERT if not exists else NOTHING - INSERT INTO distributors (did, dname) VALUES (7, 'Redline GmbH') ON CONFLICT (did) DO NOTHING; (2) INSERT if not exists else UPDATE - INSERT INTO distributors (did, dname) VALUES (5, 'Gizmo Transglobal'), (6, 'Associated Computing, Inc') ON CON...
Where can I find the IIS logs?
... local IIS. I've created a website exactly as explained in their install guide, but am having some problems, and would like to see what the IIS log has to say. Embarrassingly enough, the problem is I can't find the log files!
...
How to make input type= file Should accept only pdf and xls
...nspector. So in either case you need to check the file type on the server side (your second question).
Example:
<input type="file" name="upload" accept="application/pdf,application/vnd.ms-excel" />
To your third question "And when I click the files (PDF/XLS) on webpage it automatically sho...
Why use the INCLUDE clause when creating an index?
...rting etc as I mentioned above. However, it may be useful if you have a residual lookup in a few rows from the key column(s)
Another MSDN article with a worked example
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What's the difference between belongs_to and has_one?
...
They essentially do the same thing, the only difference is what side of the relationship you are on. If a User has a Profile, then in the User class you'd have has_one :profile and in the Profile class you'd have belongs_to :user. To determine who "has" the other object, look at where the ...
Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
....com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2126079
主要有两个方面的改变
第一 改变磁盘的模式为独立—永久模式
第二 开启多写入模式
打开虚拟机的SSH SHELL模式，使用客户端登录主机。使用vi 命令编辑 ...