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What is the purpose of the reader monad?
...is? Well, the reader monad is good for passing (implicit) configuration information through a computation.
Any time you have a "constant" in a computation that you need at various points, but really you would like to be able to perform the same computation with different values, then you should us...
RegEx for matching UK Postcodes
...plex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
...
SPA best practices for authentication and session management
...
This question has been addressed, in a slightly different form, at length, here:
RESTful Authentication
But this addresses it from the server-side. Let's look at this from the client-side. Before we do that, though, there's an important prelude:
Javascript Crypto is Hopeless
Ma...
Difference between GIT and CVS
...t changes are per-file, grouped together led to invention of GNU Changelog format for commit messages in CVS; Git users use (and some Git tools expect) different convention, with single line describing (summarizing) change, followed by empty line, followed by more detailed description of changes.
Na...
Why would I want stage before committing in Git?
...are stored in a special, read-only, Git-only, compressed and de-duplicated form, that in general only Git itself can read. (There's more stuff in each commit than just this snapshot, but that's all we will cover here.)
The de-duplication helps with space: we normally only change a few files, then m...
RESTful Authentication
... using server help for configuring the header and just pass the required information similar to HTTP Basic Auth. My point is that common UAs (browsers) have such a poor implementation of Basic Auth that it cannot be used. A server provided emulation for the same stuff in another header (Cookie) can ...
Cross-browser testing: All major browsers on ONE machine
...ers on Wikipedia, and the following sites for the latest browser version information. Each site is suffixed by a brief usage guide.
Can I use - Browser usage table, based on data from StatCounter and other sources.
StatCounter - Statistic: Browser version | Time period: Last month screenshot.
W3Co...
A simple explanation of Naive Bayes Classification
...before in either Dev set or test set.
The test set typically has the same format as the training set. However, it is very important that the test set be distinct from the training corpus: if we simply
reused the training set as the test set, then a model that simply memorized its input, without lea...
What is ViewModel in MVC?
...ngine):
@model CamelTrap.Models.ViewModels.LoginPageVM
@using (Html.BeginForm()) {
@Html.EditorFor(m => m);
<input type="submit" value="Save" class="submit" />
}
And actions:
[HttpGet]
public ActionResult LoginPage()
{
return View();
}
[HttpPost]
public ActionResult LoginP...
Why is a round-trip conversion via a string not safe for a double?
... string with a trailing zero is not exactly equal to one without -- in the former, the zero is a significant digit and adds precision.
– cHao
Jun 20 '14 at 1:15
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