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Correct format specifier for double in printf
...you use %Lf for either printf or scanf).
1. C99, §6.5.2.2/6: "If the em>x m>pression that denotes the called function has a type that does not include a prototype, the integer promotions are performed on each argument, and arguments that have type float are promoted to double. These are called the d...
How to test equality of Swift enums with associated values
I want to test the equality of two Swift enum values. For em>x m>ample:
13 Answers
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Why do my list item bullets overlap floating elements
I have an (m>X m>HTML Strict) page where I float an image alongside regular paragraphs of tem>x m>t. All goes well, em>x m>cept when a list is used instead of paragraphs. The bullets of the list overlap the floated image.
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How can I pair socks from a pile efficiently?
Yesterday I was pairing the socks from the clean laundry and figured out the way I was doing it is not very efficient. I was doing a naive search — picking one sock and "iterating" the pile in order to find its pair. This requires iterating over n/2 * n/4 = n 2 /8 socks on average.
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Call a stored procedure with parameter in c#
I can do a delete, insert and update in my program and I try to do an insert by call a created stored procedure from my database.
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Daemon Threads Em>x m>planation
..., and it's okay to kill them off once the other, non-daemon, threads have em>x m>ited.
Without daemon threads, you'd have to keep track of them, and tell them to em>x m>it, before your program can completely quit. By setting them as daemon threads, you can let them run and forget about them, and when your pr...
“Items collection must be empty before using ItemsSource.”
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The reason this particular em>x m>ception gets thrown is that the content of the element gets applied to the ListView's Items collection. So the m>X m>AML initialises the ListView with a single local:ImageView in its Items collection. But when using an ItemsCo...
What is stdClass in PHP?
...consider the StdClass is as an alternative to associative array. See this em>x m>ample below that shows how json_decode() allows to get an StdClass instance or an associative array.
Also but not shown in this em>x m>ample, SoapClient::__soapCall returns an StdClass instance.
<?php
//Em>x m>ample with StdClass
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Image Greyscale with CSS & re-color on mouse-over?
... are numerous methods of accomplishing this, which I'll detail with a few em>x m>amples below.
Pure CSS (using only one colored image)
img.grayscale {
filter: url("data:image/svg+m>x m>ml;utf8,<svg m>x m>mlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrim>x m> type=\'matrim>x m>\' ...
How do I Search/Find and Replace in a standard string?
...are messing a bit with memory here with all the calls to "replace" : complem>x m>ity would be n² if you remove "o" from "ooooooo...o". I guess one can do better, but this solution has the merit of being easy to understand.
– Zonko
Sep 21 '11 at 8:57
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