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How to write multiple line string using Bash with variables?
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The syntax (<<<) and the command used (echo) is wrong.
Correct would be:
#!/bin/bash
kernel="2.6.39"
distro="xyz"
cat >/etc/myconfig.conf <<EOL
line 1, ${kernel}
line 2,
line 3, ${distro}
line 4 line
...
EOL
cat /etc/myconfig.c...
Getting current directory in .NET web application
So I have 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 t...
How to use regex with find command?
...d2a-001b77dc0bed.jpg. I want to find out all these images using "find" command:
7 Answers
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Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
I'm developing a web page in which I'm using Twitter's Bootstrap Framework and their Bootstrap Tabs JS . It works great except for a few minor issues, one of which is I do not know how go directly to a specific tab from an external link. For example:
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How do I check if a type provides a parameterless constructor?
...ou can check if you have a value type using the Type.IsValueType property, and create instances using Activator.CreateInstance(Type);
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
... answered Jun 3 '11 at 8:57
Andrew GrimmAndrew Grimm
67.5k4646 gold badges181181 silver badges303303 bronze badges
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Rails find_or_create_by more than one attribute?
There is a handy dynamic attribute in active-record called find_or_create_by:
5 Answers
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Convert string to integer type in Go?
...tring to int
i, err := strconv.Atoi(s)
if err != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
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Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported
I just upgraded to Xcode 6 Beta 4 and have a framework that I created for Live Views in Beta 2. Due to another swift bug , I needed to use some Obj-C code. When upgrading though, I get the following error:
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C compile error: “Variable-sized object may not be initialized”
...printf( "%d", boardAux[1][2] ) compiles fine. The compiler knows the sizes and knows in what position in memory the (1,2)-th element is. If you use dynamic allocation the array is uni-dimensional and you must perform the math yourself: printf("%d", boardAux[ 1*length + 2 ])
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