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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...mote query plan reuse. When using sp_executesql, parameters are explicitly identified in the calling signature. This excellent article descibes this process.
The oft cited reference for many aspects of dynamic sql is Erland Sommarskog's must read: "The Curse and Blessings of Dynamic SQL".
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Where are $_SESSION variables stored?
...ned already, the contents are stored at the server. However the session is identified by a session-id, which is stored at the client and send with each request. Usually the session-id is stored in a cookie, but it can also be appended to urls. (That's the PHPSESSID query-parameter you some times see...
How to get a time zone from a location using latitude and longitude coordinates?
...g a time zone from a location. This community wiki is an attempt at consolidating all of the valid responses.
17 Answers
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Database Design for Revisions?
...r possible performance problems. Your comment about parsing the xml is valid but you could easily create a view using xquery - which you can include in queries and join to. Something like this...
CREATE VIEW EmployeeHistory
AS
, FirstName, , DepartmentId
SELECT EmployeeId, RevisionXML.value('...
is of a type that is invalid for use as a key column in an index
...est maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQUE NOT NULL,
[value] nvarchar(max) NOT NULL
)
i.e. the key can't be over 450 characters. If you can switch to varchar instead of nvarchar (e.g. i...
What port is a given program using? [closed]
...make it quite slow.
Edit: If you need more functionality than netstat provides, vasac suggests that you try TCPView.
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Differences between Html.TextboxFor and Html.EditorFor in MVC and Razor
...or is that your code is not tied to an <input type="text". So if you decide to change something to the aspect of how your textboxes are rendered like wrapping them in a div you could simply write a custom editor template (~/Views/Shared/EditorTemplates/string.cshtml) and all your textboxes in you...
Build Eclipse Java Project from Command Line
...ild results? I've tried this, and got output: "Building workspace", but I didn't get indication to whether the build succeeded or failed.
– Dikla
Aug 28 '11 at 10:10
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What is the difference between the mouseover and mouseenter events?
...n() {
$(this).find("span").text("mouse leave");
});
div.out {
width: 40%;
height: 120px;
margin: 0 15px;
background-color: #d6edfc;
float: left;
}
div.in {
width: 60%;
height: 60%;
background-color: #fc0;
margin: 10px auto;
}
p {
line-height: 1em;
ma...
How to validate an email address in JavaScript
Is there a regular expression to validate an email address in JavaScript?
95 Answers
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