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What is the purpose of Rank2Types?
...f' :: forall r. Num r => (Int -> r) -> Int -> Int -> r, and now we have fixed the g argument so it can take Int but not String. If we enable RankNTypes we can annotate f' with type forall b c r. Num r => (forall a. a -> r) -> b -> c -> r. Can't use it, though—what wou...
“Application tried to present modally an active controller”?
...oller setViewControllers:[NSArray arrayWithObjects:vc1, vc2, vc3, nil]];
Now you are trying to do something like this:
[tabBarController presentModalViewController:vc3];
This will give you an error because that Tab Bar Controller has a death grip on the view controller that you gave it. You ca...
Aborting a shell script if any command returns a non-zero value?
...ange:
#!/bin/bash
set -e
./configure | tee configure.log
make
... and now it does not work. This is explained here, and a workaround (Bash only) is provided:
#!/bin/bash
set -e
set -o pipefail
./configure | tee configure.log
make
...
How to go to a specific element on page? [duplicate]
...
@Lior: Honestly, I do that now because I've always done it that way; I think the original reason for 'html,body' is to deal with browser differences.
– mu is too short
Oct 10 '13 at 18:30
...
Is there a way to make R beep/play a sound at the end of a script?
...mething else on a different desktop. If I don't check frequently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
...
What's this =! operator? [duplicate]
...ls' operator. This usage was deprecated by the creation of Standard C, so now it means 'assign the logical inverse', as in a = !b. This is a good argument for always surrounding binary operators with spaces, just to make it clear to the humans reading the code what the compiler is thinking.
I'm a...
You have already activated X, but your Gemfile requires Y
...is.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one of the origi...
Android on-screen keyboard auto popping up
...y seems to be hiding the keyboard just fine. I've made a register activity now too but the keyboard is popping up by default. So how is the login one avoiding this? I can't find the setSoftInputMode in the login activity, or the windowSoftInputMode attribute in the activity.xml.
...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...e than Linda loves me
Jane likes me more than Julie loves me
We want to know how similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts:
me Julie loves Linda than more likes Jane
Now we count the number of times ...
Change auto increment starting number?
...
Anyone know if it is possible to do WITHOUT an ALTER?
– thesmart
Jul 23 '12 at 22:15
3
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