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When to use ' (or quote) in Lisp?
...e quote comes in. Say you want to plot resource allocations from a Python application, but rather do the plotting in Lisp. Have your Python app do something like this:
print("'(")
while allocating:
if random.random() > 0.5:
print(f"(allocate {random.randint(0, 20)})")
else:
...
Comparing Haskell's Snap and Yesod web frameworks
...es them all together and provides the powerful snaplets API that makes web apps composable and modular.
Yesod has a host of projects on hackage. Most (all?) of them are listed in the Yesod category. Some of the notable ones are yesod-core, warp, persistent, and hamlet.
The reality of Haskell web...
HorizontalScrollView within ScrollView Touch Handling
... excellent, thanks for this refactor. I was getting issues with the above approach when scrolling to the bottom of the listView as any touch behaviour over child elements started to not be intercepted no matter what the Y/X movement ratio. Weird!
– Dori
Jan 25...
Renaming projects in Xcode 4
... and delete the old one. The old scheme was still trying to target the old app name.
– Jim Rhoades
Nov 2 '11 at 21:20
20
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What is so bad about singletons? [closed]
...al instance, why is that so bad? Because you hide the dependencies of your application in your code, instead of exposing them through the interfaces. Making something global to avoid passing it around is a code smell.
They violate the single responsibility principle: by virtue of the fact that they ...
Sometimes adding a WCF Service Reference generates an empty reference.cs
...
When it happened to me I found that I also needed to change the Collection Type from ObjectModel.ObservableCollection to Generic.List
– Yossi Dahan
Dec 8 '10 at 15:41
...
What is the difference between the | and || or operators?
...
Yeah, I didn't believe it until I created a console app - but good lord! Why would they give you the rope to hang yourself! I hated that about VB.NET - the OrElse and AndAlso keywords!
– Jarrod Dixon♦
Sep 6 '08 at 8:09
...
Visual Studio warning: “Some of the properties associated with the solution could not be read”
...open my solution, I get a dialog with this warning. The solution (one web app, one class project) builds without errors.
1...
Switching between Android Navigation Drawer image and Up caret when using fragments
... but only handle the up caret for the onOptionsItemSelected.
In one of my apps I also needed to handle the behavior of the up caret when the back button was pressed. This can be handle by overriding onBackPressed.
@Override
public void onBackPressed() {
// Use getSupportFragmentManager() to su...
Could not execute editor
I don't often have to modify multiple commit messages, but it has happened once or twice and I don't ever remember seeing this. I hope someone else has. When I git rebase -i HEAD~7 , the expected list opens in vi exactly as expected. I change the pick values to edit where appropriate and then ...