block Questions
1
Solved
Let's say I want to access the values of a hash like this:
munsters = {
"Herman" => { "age" => 32, "gender" => "male" },
"Lily" => { ...
4
Solved
Let's say I have 3 view controller labeled "A","B" and "C".
Right now, "A" is the rootViewController of the window and it presents "B" modally when a button is tapped. In "B", when a button is tapp...
Zebulon asked 29/5, 2014 at 9:50
4
Solved
I have the following Ruby code:
# func1 generates a sequence of items derived from x
# func2 does something with the items generated by func1
def test(x, func1, func2)
func1.call(x) do | y |
fun...
2
Solved
def bubble_sort_by nums
do_it_again = false
nums[0...-1].each_with_index do |item, index|
if yield(nums[index], nums[index + 1]) > 0
nums[index], nums[index + 1] = nums[index + 1], nums[inde...
Blubberhead asked 1/10, 2014 at 7:48
3
Solved
I am wondering how to do the following correctly: I have a method that is to return an NSData object. It gets the NSData object from a UIDocument. The NSData object can get large, so I want to make...
Icarus asked 8/3, 2014 at 10:4
1
I am looking to black swears, bad words in a slack channel. I found a "swearjar" bot that does not block, it only donates to some charity when its mentioned.
What could be the alternatives to do s...
3
Solved
I have a block of code which loops through an array and performs block code on it. Currently it looks like this:
for (NSString *myString in myArray) {
[self doSomethingToString:myString WithComp...
Kingfisher asked 8/11, 2013 at 10:43
2
This is a bit of unexpected behavior that's likely to bite beginners. First, is this intended? Second, what other things does Raku use to guess which object to create? Does it start off thinking it...
3
Solved
Can anyone help me to figure out the the use of yield and return in Ruby. I'm a Ruby beginner, so simple examples are highly appreciated.
Thank you in advance!
2
Solved
I'm migrating from Magento 1.x to Magento 2
I created default.xml file to customize the existing layout.
My situation is that I have a div named "main-header" and I want a nested div inside it na...
4
Solved
How to Register BroadcastReceiver For blocking Incoming SMSs
IntentFilter intentFilter = new IntentFilter(Intent."what should be here");
ctx.registerReceiver(outgoingReceiver, intentFilter);
6
Solved
How do achieve the following:
┌────────────────────parent────────────────────┐
│ label [text-box ] [button] │
│ paragraph │
└──────────────────────────────────────────────┘
label is aligned to ...
3
Solved
Today I was surprised to find ruby automatically find the values of an array given as a block parameter.
For example:
foo = "foo"
bar = "bar"
p foo.chars.zip(bar.chars).map { |pair| pair }.first ...
Scarrow asked 26/1, 2017 at 2:44
2
Solved
It is said in apple's documents:
A block literal (that is, ^{ ... }) is the address of a stack-local data structure that represents the block. The scope of the stack-local data structure is theref...
Wimble asked 27/11, 2012 at 23:56
3
Can anyone explain to me how to use a 'view block' in CakePhP 2.0?
I have read the documentation on the cakephp site but it misses a lot out for the novice user... e.g. what files do I need where...
Barogram asked 11/10, 2013 at 10:51
3
Solved
I am trying to do block items on a webpage but I want to do that, before they are loaded. So, e.g., I could use
chrome.webRequest.onBeforeRequest.addListener(...);
And redirect/cancel the reques...
Czarina asked 22/12, 2016 at 10:44
2
Solved
I expect the code
foo=proc{puts "foo"}
instance_exec(1,2,3,&foo) do |*args , &block|
puts *args
block.call
puts "bar"
end
to output
1
2
3
foo
bar
But got the error
both block a...
3
Solved
proc = Proc.new do |name|
puts "Thank you #{name}!"
end
def thank
yield
end
proc.call # output nothing, just fine
proc.call('God') # => Thank you God!
thank &proc # output nothing, to...
Lopsided asked 4/8, 2010 at 15:15
2
Solved
I'm new in ruby. I'm trying to do the following but haven't succeeded.
I've got an array of objects, let's call it objs. Each object has multiple properties, one of those is a variable that holds ...
1
Solved
Can bootstrap modal dialog can be blocked by any pop-up blockers like integrated blocker in Chrome. Or different ad-blocks popup blockers?
If you don`t understand what I mean:
Perceptible asked 12/9, 2016 at 15:37
10
Solved
I gave this CSS class to some input fields
.searchField {
display: inline-block;
}
This is their underlying HTML ...
<div id="searchForm">
Search For Results<br>
<form id="sea...
5
Solved
How do I stop a block enumeration?
myArray.enumerateObjectsUsingBlock( { object, index, stop in
//how do I stop the enumeration in here??
})
I know in obj-c you do this:
[myArray enumerat...
Salamone asked 13/6, 2014 at 21:38
3
Solved
I'm trying to produce a PDF report with Prawn, I can get it to do a report on a show action easily enough by passing the single ID but I want to produce one with every record in it. Like a standard...
Pharmacopsychosis asked 2/4, 2012 at 18:42
1
We are making random match making game by using Photon engine. We want to match players with different users in a certain amount of time. If PlayerA plays with PlayerB they cannot play again for 30...
Doralynn asked 5/8, 2016 at 13:2
7
Solved
Is there some one-line way in bash/GNU tools to block until there's a string matched in a file? Ideally, with timeout. I want to avoid multi-line loop.
Update: Seems like I should have emphasize t...
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