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What is (functional) reactive programming?
...d then with sequential and parallel combination. n behaviors are combined by applying an n-ary function (on static values), "point-wise", i.e., continuously over time.
To account for discrete phenomena, have another type (family) of "events", each of which has a stream (finite or infinite) of occur...
How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
...
The STR function by default pads the number to 10 characters so it adds loads of spaces. e.g. STR(1) gives me 9 spaces followed by 1. CAST actually works better.
– Tahir Hassan
Nov 5 '12 at 11:05
...
Avoid browser popup blockers
...e if window.open or similar is invoked from javascript that is not invoked by direct user action. That is, you can call window.open in response to a button click without getting hit by the popup blocker, but if you put the same code in a timer event it will be blocked. Depth of call chain is also ...
How do you know when to use fold-left and when to use fold-right?
... D
Now you just have to reason about the associativity of your operator (by putting parentheses!).
If you have a left-associative operator, you'll set the parentheses like this
((A x B) x C) x D
Here, you use a left fold. Example (haskell-style pseudocode)
foldl (-) [1, 2, 3] == (1 - 2) - 3 =...
Why does one use dependency injection?
...have gazillions of it) and replace all lines
var logger = new Logger();
by:
var logger = new TcpLogger();
First, this is no fun. Second, this is error-prone. Third, this is stupid, repetitive work for a trained monkey. So what do you do?
Obviously it's a quite good idea to introduce an interf...
Eclipse Workspaces: What for and why?
...ining to all these projects
some settings for Eclipse itself
This happens by creating a directory and putting inside it (you don't have to do it, it's done for you) files that manage to tell Eclipse these information. All you have to do explicitly is to select the folder where these files will be p...
How do I find Waldo with Mathematica?
...ubsections of the image would also be required ... but this is made easier by the fact that Waldo is a) always roughly the same size and b) always present exactly once in each image.
Obtaining enough training examples. SVMs work best with at least 100 examples of each class. Commercial applications ...
How can I determine the type of an HTML element in JavaScript?
... attribute you are looking for. For example:
var elt = document.getElementById('foo');
console.log(elt.nodeName);
Note that nodeName returns the element name capitalized and without the angle brackets, which means that if you want to check if an element is an <div> element you could do it a...
JavaScript replace/regex
... pattern:
var pattern = /[0-9a-zA-Z]+/g;
a pattern is always surrounded by / on either side - with modifiers after the final /, the g modifier being the global.
EDIT: Why does it matter if pattern is a variable? In your case it would function like this (notice that pattern is still a variable):
...
How to redirect to Index from another controller?
... Just simply redirecting to another view in a different folder represented by a different controller was getting by me until I read this.
– atconway
Aug 2 '12 at 18:31
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