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Is there a printf converter to print in binary format?

..._PATTERN"\n", BYTE_TO_BINARY(m>>8), BYTE_TO_BINARY(m)); You need all the extra quotes unfortunately. This approach has the efficiency risks of macros (don't pass a function as the argument to BYTE_TO_BINARY) but avoids the memory issues and multiple invocations of strcat in some of the oth...
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How do I determine the size of my array in C?

... It should be the case with all compilers, since the results of sizeof is defined as a compile-time constant. – Mark Harrison Sep 22 '13 at 5:39 ...
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Vertically centering Bootstrap modal window

...modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"> <div class="vertical-alignment-helper"> <div class="modal-dialog vertical-align-center"> <div class="modal-content"> <div class="mod...
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When should I use double instead of decimal?

...these errors are significant enough to warrant much thought however. In all cases, if you want to compare two floating-point numbers that should in theory be equivalent (but were arrived at using different calculations), you need to allow a certain degree of tolerance (how much varies, but is typ...
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Why do enum permissions often have 0, 1, 2, 4 values?

... bit corresponds to some permission (or whatever the enumerated value logically corresponds to). If these were defined as 1, 2, 3, ... you would not be able to use bitwise operators in this fashion and get meaningful results. To delve deeper... Permissions.Read == 1 == 00000001 Permissions.Writ...
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Tracing XML request/responses with JAX-WS

... Following options enable logging of all communication to the console (technically, you only need one of these, but that depends on the libraries you use, so setting all four is safer option). You can set it in the code like in example, or as command line parame...
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PHP multidimensional array search by value

...return $key; } } return null; } This will work. You should call it like this: $id = searchForId('100', $userdb); It is important to know that if you are using === operator compared types have to be exactly same, in this example you have to search string or just use == instead ===. ...
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What is the difference between '>' and a space in CSS selectors?

...o scenarios div > span { } vs. div span { } Here, the (space) selects all the all the <span> elements inside <div> element even if they are nested inside more than one element. The > selects all the children of <div> element but if they are not inside another element. Take...
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What is the opposite of :hover (on mouse leave)?

...{ color:#999; transition: color 0.5s linear; /* vendorless fallback */ -o-transition: color 0.5s linear; /* opera */ -ms-transition: color 0.5s linear; /* IE 10 */ -moz-transition: color 0.5s linear; /* Firefox */ -webkit-transition: color 0.5s linear; /*safari and chr...
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Intercept page exit event

...ser might decide to navigate to another website and in doing so could lose all the edits they have not saved. 4 Answers ...