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Copying text to the clipboard using Java
I want to copy text from a JTable 's cell to the clipboard, making it available to be pasted into other programs such as Microsoft Word. I have the text from the JTable , but I am unsure how to copy it to the clipboard.
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Why does substring slicing with index out of range work?
Why doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it?
3 Answers
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
I want to create a C macro that creates a function with a name based
on the line number.
I thought I could do something like (the real function would have statements within the braces):
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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
I'm a little confused concerning when to use ${...} compared to #{...} . Spring's documentation only uses #{...} , but there are plenty of examples that use ${...} . Furthermore, when I started with SpEL I was told to use ${...} and it works fine.
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Can I incorporate both SignalR and a RESTful API?
I have a single page web app developed using ASP.NET. I recently converted many of the web methods to be push based, using the SignalR library. This really sped up the page considerably and reduced a lot of the server calls from the page.
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
Say I set base SDK to 7, what does it mean? It could mean that the app would run on iOS 7. But that's what iOS deployment target is for.
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How to read file contents into a variable in a batch file?
This batch file releases a build from TEST to LIVE. I want to add a check constraint in this file that ensures there is an accomanying release document in a specific folder.
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Git merge without auto commit
Is it possible to do a git merge , but without a commit?
5 Answers
5
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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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Static fields on a null reference in Java
static members ( static fields or static methods) in Java are associated with their respective class rather than the objects of this class. The following code attempts to access a static field on a null reference.
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