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How can I do an UPDATE statement with JOIN in SQL Server?
...to do it in ANSI/ISO (aka should work on any SQL DBMS), MySQL, SQL Server, and Oracle. Be advised that my suggested ANSI/ISO method will typically be much slower than the other two methods, but if you're using a SQL DBMS other than MySQL, SQL Server, or Oracle, then it may be the only way to go (e.g...
Can an int be null in Java?
...areful when unboxing null Integers since this can cause a lot of confusion and head scratching!
e.g. this:
int a = object.getA(); // getA returns a null Integer
will give you a NullPointerException, despite object not being null!
To follow up on your question, if you want to indicate the absen...
What reference do I need to use Microsoft.Office.Interop.Excel in .NET?
...er.
You can install by either right clicking on References in your project and selecting Manage NuGet packages... and searching for one of the packages listed below, or install using the Package Manager Console:
PM> Install-Package Microsoft.Office.Interop.Excel
Microsoft.Office.Interop.Excel
M...
How do I bind a WPF DataGrid to a variable number of columns?
...ableColumnsPropertyChanged: 1. Check dataGrid for null before accessing it and throw an exception with good explanation about binding only to DataGrid. 2. Check e.OldValue for null and unsubscribe from CollectionChanged event to prevent memory leaks. Just for your convince.
– M...
target input by type and name (selector)
...cument.getElementsByClassName method which will be used to select elements and be much faster than selecting by the name attribute
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Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
... it out. I had to edit the scheme (Product->Scheme->Edit Scheme...), and for some reason no executable was selected. I chose my app, saved and now I have my simulator and device options back.
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PHP Replace last occurrence of a String in a String?
... can't be made it returns the original $subject, just like substr_replace and str_replace do.
– Mischa
Jul 12 '13 at 0:58
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How do I get an element to scroll into view, using jQuery?
... it step-by-step.
First you want to bind a function as the image's click handler:
$('#someImage').click(function () {
// Code to do scrolling happens here
});
That will apply the click handler to an image with id="someImage". If you want to do this to all images, replace '#someImage' with 'i...
How to use enum values in f:selectItem(s)
... more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the item that the question have?
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Add floating point value to android resources/values
I'm trying to add a little space between lines to my TextViews using android:lineSpacingMultiplier
from the documentation :
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