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Appending to an existing string
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You can use << to append to a string in-place.
s = "foo"
old_id = s.object_id
s << "bar"
s #=> "foobar"
s.object_id == old_id #=> true
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How to extract text from a string using sed?
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The pattern \d might not be supported by your sed. Try [0-9] or [[:digit:]] instead.
To only print the actual match (not the entire matching line), use a substitution.
sed -n 's/.*\([0-9][0-9]*G[0-9][0-9]*\).*/\1/p'
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Git error on commit after merge - fatal: cannot do a partial commit during a merge
...t adding "-i" to the commit command fixes this problem for me. The -i basically tells it to stage additional files before committing.
That is:
git commit -i myfile.php
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Escaping single quote in PHP when inserting into MySQL [duplicate]
...e it again, the string you get back from the database will not be automatically escaped for you. You'll get back "O'Brien". So, you will need to pass it through mysql_real_escape_string().
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Why is my process's Exited method not being called?
I have following code, but why is the ProcessExited method never called? It is the same if I don't a use Windows shell ( startInfo.UseShellExecute = false ).
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Specifying Maven's local repository location as a CLI parameter
Is it possible to set the location of the local Maven repository as argument on the Maven command line?
3 Answers
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Using new line(\n) in string and rendering the same in HTML
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Use <br /> for new line in html:
display_txt = display_txt.replace(/\n/g, "<br />");
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Getting current directory in .NET web application
...ave a web project, and I'm trying to get the root directory of the website using the c# method Directory.GetCurrentDirectory() . I don't want to be using a static path as the file locations will be changing in the future. This method is running in my imageProcess.aspx.cs file, but where I thought...
Order of member constructor and destructor calls
Oh C++ gurus, I seek thy wisdom. Speak standardese to me and tell my if C++ guarantees that the following program:
4 Answer...
How do you use window.postMessage across domains?
It seems like the point of window.postMessage is to allow safe communication between windows/frames hosted on different domains, but it doesn't actually seem to allow that in Chrome.
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