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How to show line number when executing bash script
...d stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is executed?
Or output the line number before the command exhibition gen...
When correctly use Task.Run and when just async-await
...hen to use Task.Run . I am experiencing laggy UI in our WPF .NET 4.5
application (with Caliburn Micro framework).
2 Answer...
String.replaceAll single backslashes with double backslashes
...eplaceAll() interprets the argument as a regular expression. The \ is an escape character in both String and regex. You need to double-escape it for regex:
string.replaceAll("\\\\", "\\\\\\\\");
But you don't necessarily need regex for this, simply because you want an exact character-by-character...
Rotating a point about another point (2D)
I'm trying to make a card game where the cards fan out. Right now to display it Im using the Allegro API which has a function:
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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
I think I misunderstood the meaning of cascading in the context of a @ManyToOne relationship.
6 Answers
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What is the difference between a regular string and a verbatim string?
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A verbatim string is one that does not need to be escaped, like a filename:
string myFileName = "C:\\myfolder\\myfile.txt";
would be
string myFileName = @"C:\myfolder\myfile.txt";
The @ symbol means to read that string literally, and don't interpret control characters otherw...
Can I create more than one repository for github pages?
...reated a repository for hosting a blog on github.Is there any way that I can create more to host multiple blogs?Am I limited to just one repository for hosting(since username.github.com can only be used once?)
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The differences between .build, .create, and .create! and when should they be used?
...n Rails < 3.x
The most important part, however, is that these methods can be called through an association (has_many, etc.) to automatically link the two models.
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ASP.NET “special” tags
...nline expressions". Visual Studio 2008 syntax highlighting settings dialog calls these "HTML Server-Side Script". Microsoft guys call them "code nuggets" in their blogs.
<%@ %> is a Directive for ASP.NET Web Pages. Used for pages and controls to configure page/control compiler settings (<...
Asynchronous shell commands
I'm trying to use a shell script to start a command. I don't care if/when/how/why it finishes. I want the process to start and run, but I want to be able to get back to my shell immediately...
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