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How do I get bit-by-bit data from an integer value in C?
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If you want the k-th bit of n, then do
(n & ( 1 << k )) >> k
Here we create a mask, apply the mask to n, and then right shift the masked value to get just the bit we want. We could write it out more fully as:
int mask = 1 <<...
How to display loading message when an iFrame is loading?
...f he don't need all images to be loaded before he hide the loading message then he won't need the on load callback.
– Minko Gechev
Jul 25 '12 at 12:55
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How can I remove a style added with .css() function?
...e's websites, having a lot of visitors, if they decided to drop an old IE, then you can trust them that it was a good decision. One company even went as far as telling their users that it pays off for them more to buy each old IE user a modern computer than to keep maintaining their IE code (which i...
Getting value of select (dropdown) before change
...ong with global var but using data is more concise. But chaining focus and then change is also nice :)
– Piotr Kula
Jun 10 '13 at 14:44
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MySQL: Fastest way to count number of rows
...only want a count for pagination/etc. it is more efficient to get the data then count the rows in your program.
– Tyzoid
Aug 1 '13 at 20:16
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undefined reference to boost::system::system_category() when compiling
...sslsniff_LDFLAGS with sslsniff_LDADD in Makefile.am and that did NOT work. Then I kept both sslsniff_LDFLAGS and added sslsniff_LDADD = -lboost_system -lssl -lboost_filesystem -lpthread -lboost_thread -llog4cpp. Then I was able to compile. Thank you for the help!
– user1049697
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Spring Boot: How can I set the logging level with application.properties?
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Suppose your application has package name as com.company.myproject. Then you can set the logging level for classes inside your project as given below in application.properties files
logging.level.com.company.myproject = DEBUG
logging.level.org.springframework.web = DEBUG and logging.lev...
What is the usefulness of PUT and DELETE HTTP request methods?
...updated Resource Representation in the PUT body for the webserver to apply then.
So, if you are building some sort of client for a REST API, you will likely make it send PUT and DELETE requests. This could be a client built inside a browser, e.g. sending requests via JavaScript or it could be some ...
How do you track record relations in NoSQL?
...(think of values in a comma-separated list instead of a normalized table), then do it that way.
But this inevitably optimizes for one type of query (e.g. comments by any user for a given article) at the expense of other types of queries (comments for any article by a given user). If your applicati...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
...ly need to get their location, you can get their lat/lng with that method, then query Google's or Yahoo's reverse geocoding service.
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