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get just the integer from wc in bash
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You can use the cut command to get just the first word of wc's output (which is the line or word count):
lines=`wc -l $f | cut -f1 -d' '`
words=`wc -w $f | cut -f1 -d' '`
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css label width not taking effect
I have a generic form, which I'd like to style to align the labels and the input fields.
For some reason when I give a width to the label selector, nothing happens:
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How does collections.defaultdict work?
...re precisely, it's an arbitrary "callable" object, which includes function and type objects). For the first example, default items are created using int(), which will return the integer object 0. For the second example, default items are created using list(), which returns a new empty list object....
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
I'm apparently terrible at using git, despite my best attempts to understand it.
4 Answers
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Do I really need to encode '&' as '&'?
I'm using an ' & ' symbol with HTML5 and UTF-8 in my site's <title> . Google shows the ampersand fine on its SERPs, as do all the browsers in their titles.
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How does one remove an image in Docker?
I'm running Docker under Vagrant under OS X 10.8.4 (Mountain Lion), and whenever I try to delete a saved image, I get an error:
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How to get a variable value if variable name is stored as string?
... rest of parameter as the name of the
variable; this variable is then expanded and that value is used in the
rest of the substitution, rather than the value of parameter itself.
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TypeScript static classes
...classes?
In C# a static class is simply a class that cannot be subclassed and must contain only static methods. C# does not allow one to define functions outside of classes. In TypeScript this is possible, however.
If you're looking for a way to put your functions/methods in a namespace (i.e. not ...
What does -fPIC mean when building a shared library?
I know the ' -fPIC ' option has something to do with resolving addresses and independence between individual modules, but I'm not sure what it really means. Can you explain?
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
I ran the following code in both iOS 7 and iOS 8:
18 Answers
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