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php stdClass to array
...is in a one liner using the JSON methods if you're willing to lose a tiny bit of performance (though some have reported it being faster than iterating through the objects recursively - most likely because PHP is slow at calling functions). "But I already did this" you say. Not exactly - you used jso...
How do I create an average from a Ruby array?
...r.inject(0.0) { |sum, el| sum + el } / arr.size
=> 6.5
You can define it as part of Array as another commenter has suggested, but you need to avoid integer division or your results will be wrong. Also, this isn't generally applicable to every possible element type (obviously, an average only ma...
Split string to equal length substrings in Java
How to split the string "Thequickbrownfoxjumps" to substrings of equal size in Java.
Eg. "Thequickbrownfoxjumps" of 4 equal size should give the output.
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Read whole ASCII file into C++ std::string [duplicate]
I need to read a whole file into memory and place it in a C++ std::string .
9 Answers
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Defining a variable with or without export
...ss. You would use this for (say) loop variables, temporary variables etc.
It's important to note that exporting a variable doesn't make it available to parent processes. That is, specifying and exporting a variable in a spawned process doesn't make it available in the process that launched it.
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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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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), (...
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...
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.
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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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