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How to position a table at the center of div horizontally & vertically
..., you can set left and right margin to auto:
<style>
#test {
width:100%;
height:100%;
}
table {
margin: 0 auto; /* or margin: 0 auto 0 auto */
}
</style>
To center it vertically, the only way is to use javascript:
var tableMarginTop = Math.round( (testHeight - tab...
Jquery .on() submit event
...my submit function was missing the "return" statement.
For example:
$("#id_form").on("submit", function(){
//Code: Action (like ajax...)
return false;
})
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Querying data by joining two tables in two database on different servers
...NER JOIN [DB2].[MyDatabaseOnDB2].[dbo].[MyOtherTable] tab2
ON tab1.ID = tab2.ID
Once the link is established, you can also use OPENQUERY to execute a SQL statement on the remote server and transfer only the data back to you. This can be a bit faster, and it will let the remote server opti...
Django - filtering on foreign key properties
...
student_user = User.objects.get(id=user_id)
available_subjects = Subject.objects.exclude(subject_grade__student__user=student_user) # My ans
enrolled_subjects = SubjectGrade.objects.filter(student__user=student_user)
context.update({'available_subjects': av...
Set keyboard caret position in html textbox
...ion of a textbox or textarea that you wish:
function setCaretPosition(elemId, caretPos) {
var elem = document.getElementById(elemId);
if(elem != null) {
if(elem.createTextRange) {
var range = elem.createTextRange();
range.move('character', caretPos);
...
How to set Default Controller in asp.net MVC 4 & MVC 5
...MapRoute(
"Default", // Route name
"{controller}/{action}/{id}", // URL with parameters*
new { controller = "Home", action = "Index",
id = UrlParameter.Optional }
);
as the default landing page. You can change that to be any route you wish.
routes.MapRoute(
...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
... var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
使用App Inventor扩展...
Convert a list of objects to an array of one of the object's properties
...
fantastic solution. I wanted to access the String "id" in my Object-List. Worked perfect List<String> somestringlist = myobjectlist.Select(x => x.id).ToList();
...
What is the right way to check for a null string in Objective-C?
...See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something";
Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not have to special case it. This is...
What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
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