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Add primary key to existing table
...RAINT <constraint_name>
alter table Persion add primary key (persionId,Pname,PMID)
edit:
you can find the constraint name by using the query below:
select OBJECT_NAME(OBJECT_ID) AS NameofConstraint
FROM sys.objects
where OBJECT_NAME(parent_object_id)='Persion'
and type_desc LIKE '%CONSTRA...
“cannot resolve symbol R” in Android Studio
In every instance in all of my classes where I reference R.id.something , the R is in red and it says "cannot resolve symbol R". Also every time there is R.layout.something it is underlined in red and says "cannot resolve method setContentView(?)". The project always builds fine. It is annoyin...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
...ngs in config file
<system.web>
<httpRuntime requestPathInvalidCharacters="" requestValidationMode="2.0" />
<pages validateRequest="false" />
</system.web>
I would avoid using characters like '&' in URL path replacing them with underscores.
...
How do I hide an element when printing a web page?
...t's given in this answer, it will not work. Believe me I've tried. So how did this get 69 upvotes?
– Codeguy007
Nov 16 '12 at 21:39
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How do I scroll to an element using JavaScript?
...
You can use an anchor to "focus" the div. I.e:
<div id="myDiv"></div>
and then use the following javascript:
// the next line is required to work around a bug in WebKit (Chrome / Safari)
location.href = "#";
location.href = "#myDiv";
...
Overloading and overriding
What is the difference between overloading and overriding.
12 Answers
12
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Real mouse position in canvas [duplicate]
... the element itself.
Example of integration in your code:
//put this outside the event loop..
var canvas = document.getElementById("imgCanvas");
var context = canvas.getContext("2d");
function draw(evt) {
var pos = getMousePos(canvas, evt);
context.fillStyle = "#000000";
context.fill...
How to open a Bootstrap modal window using jQuery?
...odal').modal('toggle');
$('#myModal').modal('show');
$('#myModal').modal('hide');
You can see more here: Bootstrap modal component
Specifically the methods section.
So you would need to change:
$('#my-modal').modal({
show: 'false'
});
to:
$('#myModal').modal('show');
If you're lookin...
Bootstrap Carousel image doesn't align properly
...e using bootstrap carousel to rotate the images.
However, when the window width is large, the image doesn't align with the border properly.
...
How can I undo a `git commit` locally and on a remote after `git push`
...mmit: it makes an additional commit that undoes whatever the first commit did. Anything else, not really safe, especially when the changes have already been propagated.
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