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MySQL Great Circle Distance (Haversine formula)
... the query.
Here's a detailed writeup. I hope it helps somebody. http://www.plumislandmedia.net/mysql/haversine-mysql-nearest-loc/
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What is @ModelAttribute in Spring MVC?
...tribute in Spring MVC?
A sample definition from the source for you,
http://www.baeldung.com/spring-mvc-and-the-modelattribute-annotation
The @ModelAttribute is an annotation that binds a method parameter or method return value to a named model attribute and then exposes it to a web view.
What actua...
Are arrays passed by value or passed by reference in Java? [duplicate]
.../comphelp/v8v101/topic/com.ibm.xlcpp8a.doc/language/ref/cplr233.htm
http://www.cs.fsu.edu/~myers/c++/notes/references.html
Related SO question:
Is Java "pass-by-reference" or "pass-by-value"?
Historical background:
The phrase "pass-by-reference" was originally "call-by-reference", and it was ...
How to convert string into float in JavaScript?
...ded up writing a library to do this. If you are interested it here it is : https://github.com/GuillaumeLeclerc/number-parsing
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what are the .map files used for in Bootstrap 3.x?
...Like me), you can usually find them by adding .map to the end of the URL:
https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css.map
Be sure to replace the version with whatever version of Bootstrap you're using.
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C/C++ with GCC: Statically add resource files to executable/library
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From http://www.linuxjournal.com/content/embedding-file-executable-aka-hello-world-version-5967:
I recently had the need to embed a file in an executable. Since I'm working at the command line with gcc, et al and not with a fancy RAD to...
Sankey Diagrams in R?
...y projection data
# Load energy projection data
URL <- paste0(
"https://cdn.rawgit.com/christophergandrud/networkD3/",
"master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
# Plot
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
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Formatting numbers (decimal places, thousands separators, etc) with CSS
...(). It can also format for other number formats, e.g. latin, arabic, etc.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toLocaleString
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SQL Server Configuration Manager not found
...er 2008 C:\Windows\SysWOW64\SQLServerManager10.msc
source is from ms site
https://msdn.microsoft.com/en-us/library/ms174212.aspx
One can also specify %systemroot% for the path of Windows directory. For example:
SQL Server 2019: %systemroot%\SysWOW64\SQLServerManager15.msc
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How to access class constants in Twig?
...ated extension that solves problem better. It's published as open source.
https://github.com/dpolac/twig-const
It defines new Twig operator # which let you access the class constant through any object of that class.
Use it like that:
{% if entity.type == entity#TYPE_PERSON %}
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