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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...It maybe help someone out there. But this is only if you work with Toad inside the tables, and not for querys.
– DatRid
Oct 4 '13 at 9:23
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Cannot set property 'innerHTML' of null
...ads the entire HTML DOM from top to bottom. Any JavaScript code written inside the script tags (present in head section of your HTML file) gets executed by the browser rendering engine even before your whole DOM (various HTML element tags present within body tag) is loaded. The scripts present in h...
@Html.BeginForm Displaying “System.Web.Mvc.Html.MvcForm” on Page
I have a razor view that I added a delete button to inside of an 'if' statement and when the view is rendered in the browser it is displaying "System.Web.Mvc.Html.MvcForm" next to the delete button.
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Entity Framework and SQL Server View
...tement of your view in another select.
Example:
SELECT
ISNULL(MyPrimaryID,-999) MyPrimaryID,
NULLIF(AnotherProperty,'') AnotherProperty
FROM ( ... ) AS temp
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How to get the Android device's primary e-mail address
How do you get the Android's primary e-mail address (or a list of e-mail addresses)?
12 Answers
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How can I trigger a Bootstrap modal programmatically?
...anually do it.
$('#myModal').modal({ show: false})
Where myModal is the id of the modal container.
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
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update q
set q.QuestionID = a.QuestionID
from QuestionTrackings q
inner join QuestionAnswers a
on q.AnswerID = a.AnswerID
where q.QuestionID is null -- and other conditions you might want
I recommend to check what the result set to update is befo...
Scroll Element into View with Selenium
...enium 1.x or 2.x to scroll the browser window so that a particular element identified by an XPath is in view of the browser? There is a focus method in Selenium, but it does not seem to physically scroll the view in FireFox. Does anyone have any suggestions on how to do this?
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What are database normal forms and can you give examples? [closed]
.... Recall that a primary key can be made up of multiple columns. As Chris said in his response:
The data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] (so help me Codd).
2NF
Say you have a table containing courses that are taken in a certain semester, and you have the...
How to check if a database exists in SQL Server?
What is the ideal way to check if a database exists on a SQL Server using TSQL? It seems multiple approaches to implement this.
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