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Is there a way to measure how sorted a list is?

...nversion of A. The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversions, that is, To make these definitions clearer, consider the example sequence 9, 5, 7, 6. This sequence has the inversions (0,1), (0,2), (...
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Testing HTML email rendering [closed]

...w HTML email will look across different email clients? I prefer something with instant feed back rather than a submit and wait service like http://litmusapp.com Or at the very least a way to test the Outlook 2007/MS Word rendering? ...
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What does the LayoutInflater attachToRoot parameter mean?

... view to parent RIGHT NOW false: add the child view to parent NOT NOW. Add it later. ` When is that later? That later is when you use for eg parent.addView(childView) A common misconception is, if attachToRoot parameter is false then the child view will not be added to parent. WRONG In both...
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R script line numbers at error?

... a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors? 6 Answers ...
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How to search contents of multiple pdf files?

...les in a directory/subdirectory? I am looking for some command line tools. It seems that grep can't search PDF files. 13 ...
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How to check that a string is an int, but not a double, etc.?

...eger beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" . ...
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Git alias with positional parameters

...most obvious way is to use a shell function: [alias] files = "!f() { git diff --name-status \"$1^\" \"$1\"; }; f" An alias without ! is treated as a Git command; e.g. commit-all = commit -a. With the !, it's run as its own command in the shell, letting you use stronger magic like this. UPD...
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What's the difference between the atomic and nonatomic attributes?

... The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang). Assuming that you are @synthesizing the method implementations, atomic vs. no...
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Truncating floats in Python

I want to remove digits from a float to have a fixed number of digits after the dot, like: 29 Answers ...
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How do I force Postgres to use a particular index?

How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan? 6 Answers ...