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String.Empty versus “” [duplicate]
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It's not different.
http://msdn.microsoft.com/en-us/library/system.string.empty.aspx:
The value of this field is the zero-length string, "".
In application code, this field is most commonly used in assignments to initialize ...
How to find all duplicate from a List? [duplicate]
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edited Jan 24 '15 at 7:15
Shahin
11.3k3737 gold badges119119 silver badges197197 bronze badges
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How to select where ID in Array Rails ActiveRecord without exception
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If it is just avoiding the exception you are worried about, the "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This wor...
How do I put a clear button inside my HTML text input box like the iPhone does?
I want to have a nice little icon that, when clicked will clear the text in the box.
9 Answers
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Is there auto type inferring in Java?
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Answered before the question was EDITED :
No there is no auto variable type in Java. The same loop can be achieved as:
for ( Object var : object_array)
System.out.println(var);
Java has local variables, whose scope is within the block where they have bee...
How to create index in Entity Framework 6.2 with code first
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Well 26.10.2017 Entity Framework 6.2 was officially released.
It includes a possibility to define indexes with ease via Fluent API. Ho it is to use was already announced in the beta of 6.2.
Now you can use the HasIndex() method, followed by Is...
How to do a GitHub pull request
How do I create and/or send a pull request to another repository hosted on GitHub?
8 Answers
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Alter MySQL table to add comments on columns
I have been checking the MySQL Documentation for ALTER TABLE and it does not seem to include a way to add or modify a comment to a column. How can I do this?
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What encoding/code page is cmd.exe using?
When I open cmd.exe in Windows, what encoding is it using?
6 Answers
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Is there a way to check if a file is in use?
I'm writing a program in C# that needs to repeatedly access 1 image file. Most of the time it works, but if my computer's running fast, it will try to access the file before it's been saved back to the filesystem and throw an error: "File in use by another process" .
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