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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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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
...
I had the same error and it turned out to be a circular dependency between a module or class loaded by the settings and the settings module itself. In my case it was a middleware class which was named in the settings which itself tried to load th...
When to make a type non-movable in C++11?
...x objects. If std::mutex contained a native OS mutex type as a data member and the native type's address must stay fixed (because the OS maintains a list of pointers to its mutexes) then either std::mutex would have to store the native mutex type on the heap so it would stay at the same location whe...
Copy folder recursively in node.js
Is there an easier way to copy a folder and all its content without manually doing a sequence of fs.readir , fs.readfile , fs.writefile recursively ?
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How can I output a UTF-8 CSV in PHP that Excel will read properly?
...s got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at the head of my document:
...
npm global path prefix
...Homebrew).
So:
npm config set prefix /usr/local if it's something else, and
Don't use sudo with npm! According to the jslint docs, you should just be able to npm install it.
If you installed npm as sudo (sudo brew install), try reinstalling it with plain ol' brew install. Homebrew is supposed t...
how to prevent “directory already exists error” in a makefile when using mkdir
I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it.
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How do I find out which DOM element has the focus?
...o tab onto the element. If you click on it then neither the jquery :focus selector nor the document.activeElement succeeds in returning what you clicked on (returning undefined and document body element respectively). PS I can't believe this thread is 2 years old and there are still regression pro...
How do I find which rpm package supplies a file I'm looking for?
... : base
Matched from:
Filename : /bin/grep
You may prefer the output and speed of the repoquery tool, available in the yum-utils package.
sudo yum install yum-utils
repoquery --whatprovides '*bin/grep'
grep-0:2.5.1-55.el5.x86_64
grep-0:2.5.1-55.el5.x86_64
repoquery can do other queries such...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
... unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
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