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How to switch position of two items in a Python list?

...problem on the net (probably because switch, position, list and Python are all such overloaded words). 7 Answers ...
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How do I find the number of arguments passed to a Bash script?

...ash echo "The number of arguments is: $#" a=${@} echo "The total length of all arguments is: ${#a}: " count=0 for var in "$@" do echo "The length of argument '$var' is: ${#var}" (( count++ )) (( accum += ${#var} )) done echo "The counted number of arguments is: $count" echo "The accumula...
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How is the “greater than” or “>” character used in CSS?

...a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags that are children of a P tag. Note that "child" means "immediate descendant", not just any descendant. P SPAN is a descendant selector, applying the style that follows to all SPAN tags that are children of a P ...
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Reset other branch to current without a checkout

...ws you describe are not equivalent: when you perform reset --hard you lose all the changes in the working tree (you might want to make it reset --soft). What you need is git update-ref refs/heads/OtherBranch refs/heads/CurrentBranch ...
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Convert timedelta to total seconds

...ime.datetime.fromtimestamp(time.mktime(time.gmtime())) expression. (1) If all you need is the difference between two instants in seconds, the very simple time.time() does the job. (2) If you are using those timestamps for other purposes, you need to consider what you are doing, because the result ...
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Style child element when hover on parent

...possible. Is there any solution possible through :hover CSS selectors. Actually I need to change color of options bar inside a panel when there is an hover on the panel. ...
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Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported

... As the error states, bridging headers are not allowed in Frameworks. The Importing Code from Within the Same Framework Target section of the Mix & Match apple documentation hints at this. As they say, you need to "In your umbrella header file, import every Objective-...
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Ruby Array find_first object?

...I also often find annoying that ruby documentation doesn't list methods of all inherited or included classes and modules. – Mladen Jablanović Mar 4 '10 at 17:33 4 ...
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How to compare UIColors?

... I use blocks all the tine, but I've never seen syntax quite like this before. I guess maybe I've not used a block that returned an object. It's what's on the left side of the = that I was posting about. – Victor Enge...
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Difference between MEAN.js and MEAN.io

... that there are two different stacks with either their own website and installation methods: mean.js and mean.io. So I came up asking myself this question: "Which one do I use?". ...