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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...
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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 ...
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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...
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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! ...
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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...
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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 ...
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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 share | improve this answer ...
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Correct way of using JQuery-Mobile/Phonegap together?

...order of declaring script matters. First include jquery, THEN THIS CODE inside a script element, then jquery mobile js. – Manish May 18 '13 at 20:00 1 ...
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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 ...
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Where can I get Google developer key

... Oh man I was asking for developer key :( not api key,secret key,client_id... I already found these keys ,But I was not able to find developer key. Once I found developer key that is in youtube developer console only!! – Neelesh Jan 20 '12 at 9:33 ...