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What is the use of the ArraySegment class?
...s Program
{
static void Main()
{
// Create an ArraySegment from this array.
int[] array = { 10, 20, 30 };
ArraySegment<int> segment = new ArraySegment<int>(array, 1, 2);
// Write the array.
Console.WriteLine("-- Array --");
int[] o...
Cluster analysis in R: determine the optimal number of clusters
...04935647
[10,] 3.445291 4.369232 0.9239414 0.05055486
Here's the output from Edwin Chen's implementation of the gap statistic:
Seven. You may also find it useful to explore your data with clustergrams to visualize cluster assignment, see http://www.r-statistics.com/2010/06/clustergram-visualiza...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
I've been getting the same old error every time I test a new URL from my browser's address bar when I'm returning Json (using the built-in MVC JsonResult helper ):
...
What is the difference between `new Object()` and object literal notation?
...ect model and inheritance (the code there setups a Obj class that inherits from plain Object). This question isn't about creating an instance of some custom class - it's about creating instance of Object, and the correct answer to this question is "there is no difference".
– do...
What makes a keychain item unique (in iOS)?
...
The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keych...
JavaScript editor within Eclipse [closed]
... to remove it. I've spent 15 minutes trying to figure out how to remove it from my Eclipse 3.4 config with no success - it seems to disable the uninstall buttons - and the only instructions I found on the Aptana site are for an older version of Eclipse. This is pretty frustrating - I would strongly ...
What is the maximum recursion depth in Python, and how to increase it?
...
From my experience, you need to increase the limit both in the sys and the resource modules: stackoverflow.com/a/16248113/205521
– Thomas Ahle
Apr 28 '14 at 19:10
...
Pandas - How to flatten a hierarchical index in columns
I have a data frame with a hierarchical index in axis 1 (columns) (from a groupby.agg operation):
17 Answers
...
How do I determine whether my calculation of pi is accurate?
...ula is needed.
An additional step is needed to verify the radix conversion from binary to decimal.
I've glossed over some details of why verifying the last few digits implies that all the digits are correct. But it is easy to see this since any computation error will propagate to the last digits.
...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...lue references, a C++0x feature.
// Essentially, a resource is "moved" from one object to another.
FileHandle(FileHandle&& that)
{
file = that.file;
that.file = 0;
}
FileHandle& operator=(FileHandle&& that)
{
file = that.file;
...