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Large-scale design in Haskell? [closed]
...rt discusses solutions to the problem of lifting monadic actions into your custom monad. George Wilson shows how to use mtl to write code that works with any monad that implements the required typeclasses, rather than your custom monad kind. Carlo Hamalainen has written some short, useful notes summ...
Best Practices: Salting & peppering passwords?
...wn away backups, discarded servers… can lead to this situation. A lot of PHP users work on hosted servers.
– martinstoeckli
Jun 4 '13 at 20:14
2
...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...ther columns to be aggregated and to aggregate by is very simple
also with custom-made aggregation functions
For example like so:
colsToAggregate <- c("x1")
aggregateBy <- c("year", "month")
dummyaggfun <- function(v, na.rm = TRUE) {
c(sum = sum(v, na.rm = na.rm), mean = mean(v, na.rm...
handle textview link click in my android app
...
Another way, borrows a bit from Linkify but allows you to customize your handling.
Custom Span Class:
public class ClickSpan extends ClickableSpan {
private OnClickListener mListener;
public ClickSpan(OnClickListener listener) {
mListener = listener;
}
@...
Android list view inside a scroll view
...
You Create Custom ListView Which is non Scrollable
public class NonScrollListView extends ListView {
public NonScrollListView(Context context) {
super(context);
}
public NonScrollL...
Express: How to pass app-instance to routes from a different file?
...ire('./routes');
routes.forEach(route => app.get(...route));
// You can customize this according to your own needs, like adding post request
The final app.js:
// app.js
var express = require('express');
var app = express.createServer();
let db = ...; // your db object initialized
co...
Compare equality between two objects in NUnit
...ly has basic types as properties. However if your type has properties with custom types (that don't implement Equals) it will fail.
– Bobby Cannon
Aug 30 '13 at 20:24
...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
...
Good point, though mostly you don't need custom alpha levels for drawing an image (typically those are baked into images ahead of time for things that need alpha). Basically my motto is, use a little code as you can because more code means more chances for bugs.
...
“VT-x is not available” when i start my Virtual machine [closed]
....intel.com/… your processor supports VT-x. Try this: itropics.net/index.php/computers/windows/…
– Yax
Mar 30 '11 at 9:48
...
Where is the “Create Unit Tests” selection?
...Context Menu.
To re-enable the Create Unit Tests... menu, go to Tools->Customize... to launch the Customize dialog. At the Customize dialog, go to the Commands tab, select the Context menu radio button and choose Editor Context Menus | Code Window.
You will realized that the menu item is actual...