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Global and local variables in R
...this case bar is accessible from outside the function.
However, unlike C, C++ or many other languages, brackets do not determine the scope of variables. For instance, in the following code snippet:
if (x > 10) {
y <- 0
}
else {
y <- 1
}
y remains accessible after the if-else sta...
Using {} in a case statement. Why?
...atements like the labels used with a goto statement(this is covered in the C++ draft standard section 6.1 Labeled statement) and we can see from section 6.7 paragraph 3 that jumping pass a declaration is not allowed in many cases, including those with an initialization:
It is possible to transfe...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
...
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Scala vs. Groovy vs. Clojure [closed]
... term will become just another marketing term. Might as well start calling C++ functional and Haskell imperative.
– jon-hanson
Aug 22 '09 at 15:19
9
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Returning an array using C
...ck is returning a struct as an array container/object. Think of it like a C++ std::vector. The preprocessor would expand the int version of this to struct intArray { int* contents; int size; };.
– pyrospade
Jan 9 '14 at 4:05
...
How to get client's IP address using JavaScript?
...;
Returns:
{
"geoplugin_request": "116.12.250.1",
"geoplugin_status": 200,
"geoplugin_credit": "Some of the returned data includes GeoLite data created by MaxMind, available from <a href=\\'http://www.maxmind.com\\'>http://www.maxmind.com</a>.",
"geoplugin_city": "Singapore",
...
Webfonts or Locally loaded fonts?
...note on blocking and FOUT issues too. I read into that here: paulirish.com/2009/fighting-the-font-face-fout & stevesouders.com/blog/2009/10/13/font-face-and-performance. I'll run some tests and post performance differences tonight. Thanks for the great insight.
– darcher
...
What is declarative programming? [closed]
...tion on how it is different from imperative programming (languages like C, C++, C#) then it will be more easier for readers to make out the difference.
– RBT
Dec 7 '16 at 23:44
1
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...w.apachelounge.com/download/VC11/
Be sure that you have installed Visual C++ Redistributable for Visual Studio 2012 : VC11 vcredist_x64/86.exe
http://www.microsoft.com/en-us/download/details.aspx?id=30679
You may need to have Visual Studio 2012 Update 3 (VS2012.3)
http://www.microsoft.com/en-u...
What is the advantage of GCC's __builtin_expect in if else statements?
...an without, CPUs are really smart those days. My naive attempts are here.
C++20 [[likely]] and [[unlikely]]
C++20 has standardized those C++ built-ins: How to use C++20's likely/unlikely attribute in if-else statement They will likely (a pun!) do the same thing.
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