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Can I pass parameters by reference in Java?
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Java is confusing because everything is passed by value. However for a parameter of reference type (i.e. not a parameter of primitive type) it is the reference itself which is passed by value, hence it appears to be pass-by-refere...
How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
When I have a link that is wired-up with a jQuery or JavaScript event such as:
15 Answers
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Is a colon `:` safe for friendly-URL use?
...ecify application sections as words separated by slashes. Specifically, this is in GWT, so the relevant parts of the URL will be in the hash (which will be interpreted by a controller layer on the client-side):
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What are 'closures' in .NET?
What is a closure ? Do we have them in .NET?
11 Answers
11
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What do Clustered and Non clustered index actually mean?
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With a clustered index the rows are stored physically on the disk in the same order as the index. Therefore, there can be only one clustered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered indices, althoug...
How to use OpenFileDialog to select a folder?
... the FolderBrowserDialog class:
Prompts the user to select a folder. This class cannot be inherited.
Example:
using(var fbd = new FolderBrowserDialog())
{
DialogResult result = fbd.ShowDialog();
if (result == DialogResult.OK && !string.IsNullOrWhiteSpace(fbd.SelectedPath))
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How is this fibonacci-function memoized?
By what mechanism is this fibonacci-function memoized?
4 Answers
4
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TSQL - How to use GO inside of a BEGIN .. END block?
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BEGIN
SET NOEXEC ON;
END
ALTER TABLE dbo.EMPLOYEE ADD COLUMN EMP_IS_ADMIN BIT NOT NULL
GO
UPDATE dbo.EMPLOYEE SET EMP_IS_ADMIN = whatever
SET NOEXEC OFF;
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Why do you need ./ (dot-slash) before executable or script name to run it in bash?
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Because on Unix, usually, the current directory is not in $PATH.
When you type a command the shell looks up a list of directories, as specified by the PATH variable. The current directory is not in that list.
The reason for not having the current directory on that list i...
Method call if not null in C#
Is it possible to somehow shorten this statement?
11 Answers
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