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How to determine the first and last iteration in a foreach loop?
... think downvoting should take place here as this is also working correctly and is still not so rubbish as using array_shift and array_pop. Though this is the solution I'd came up if I had to implement such a thing, I'd stick with the Rok Kralj's answer now on.
– shadyyx
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Difference between malloc and calloc?
...tage of the OS's guarantee.
This means calloc memory can still be "clean" and lazily-allocated, and copy-on-write mapped to a system-wide shared physical page of zeros. (Assuming a system with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should...
Combined area of overlapping circles
I recently came across a problem where I had four circles (midpoints and radius) and had to calculate the area of the union of these circles.
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Why and How to avoid Event Handler memory leaks?
I just came to realize, by reading some questions and answers on StackOverflow, that adding event handlers using += in C# (or i guess, other .net languages) can cause common memory leaks...
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Can enums be subclassed to add new elements?
I want to take an existing enum and add more elements to it as follows:
15 Answers
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Total width of element (including padding and border) in jQuery
...bject, how can one get the total width of an element, including its border and padding, using jQuery? I've got the jQuery dimensions plugin, and running .width() on my 760px-wide , 10px padding DIV returns 760 .
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What is your preferred style for naming variables in R? [closed]
Which conventions for naming variables and functions do you favor in R code?
9 Answers
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IIS7 Permissions Overview - ApplicationPoolIdentity
We have recently upgraded to IIS7 as a core web server and I need an overview in terms of the permissions. Previously, when needing to write to the file system I would have give the AppPool user (Network Service) access to the directory or file.
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Does PNG contain EXIF data like JPG?
...llows, however, to embed metadata "chunks" inside the image. Some of the standardized chunks correspond to a few EXIF attributes (physical dimensions, timestamp). And it's also possible to store arbitrary textual data as key=>value pairs, or to define new chunk types. So, you could in theory stor...
log4j logging hierarchy order
... you will see how the log works in each level. i.e for WARN, (FATAL, ERROR and WARN) will be visible. For OFF, nothing will be visible.
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