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Using the rJava package on Win7 64 bit with R
.... However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit R, you need Java for Windows x64
To build or check R packages with multi-arch (the default) you need to install both Java For Windows x64 as well as Java for Windows x86. On Win 64, the former inst...
Which C++ idioms are deprecated in C++11?
...ass support for rvalue references.
Safe bool: This was mentioned earlier. Explicit operators of C++11 obviate this very common C++03 idiom.
Shrink-to-fit: Many C++11 STL containers provide a shrink_to_fit() member function, which should eliminate the need swapping with a temporary.
Temporary Base Cl...
Initialising mock objects - MockIto
...Runner :
JUnit 4.5 runner initializes mocks annotated with Mock, so that explicit usage of MockitoAnnotations.initMocks(Object) is not necessary. Mocks are initialized before each test method.
The first solution (with the MockitoAnnotations.initMocks) could be used when you have already configure...
What is the Java ?: operator called and what does it do?
...is a shorthand form of
int count;
if (isHere)
count = getHereCount(index);
else
count = getAwayCount(index);
It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probably ma...
Why use try {} finally {} with an empty try block?
...rrupting the
processing. The MSDN page of
Thread.Abort says that “Unexecuted
finally blocks are executed before the
thread is aborted”. So in order to
guarantee that your processing
finishes even if your thread is
aborted in the middle by someone
calling Abort on your thread, you...
Cross-browser testing: All major browsers on ONE machine
...thumb: Which browsers should be included?
Preparation
Windows XP
Windows 7+ (for IE9+)
Browser downloads
Internet Explorer
Firefox
Opera
Chrome
Safari
Adobe Flash Player
Download summary
Sandboxie
Part 2: Installation and configuration
Internet Explor...
How to get the python.exe location programmatically? [duplicate]
... to get a handle of the python interpreter so I can pass a script file to execute (from an external application).
3 Answers...
Cache Invalidation — Is there a General Solution?
...
get(a, b)
{
c result;
map<a,c> endCache;
if (cache[b] expired or not present)
{
remove all b -> * entries in cache;
endCache = new map<a,c>();
add to cache b -> endCache;
}
else
{
endCache = cache[b];
}...
How to allow http content within an iframe on a https site
...ity of this question, I think, that you'll need to setup your own HTTPS proxy on some server online. Do the following steps:
Prepare your proxy server - install IIS, Apache
Get valid SSL certificate to avoid security errors (free from startssl.com for example)
Write a wrapper, which will download ...
Maintain aspect ratio of div but fill screen width and height in CSS?
I have a site to put together that has a fixed aspect ratio of approximately 16:9 landscape, like a video.
9 Answers
...