Top "Block" questions

Ruby block, procs and instance_eval

I recently tried to do something akin to this: a = "some string" b = Proc.new{ upcase } a.instance_eval b …

ruby block lambda proc-object

How to stop enumerateObjectsUsingBlock Swift

How do I stop a block enumeration? myArray.enumerateObjectsUsingBlock( { object, index, stop in //how do I stop the enumeration in …

objective-c nsarray block swift enumeration

if/else format within while loop

while(true) { cout << "Name: "; getline(cin, Name); if(Name == "Stop") break; cout << "Additional Name - Y/…

c++ block if-statement braces

How to block signals in C?

I'm trying to create a program that blocks the signal SIGUSR1 and the it unblocks the signal. In the middle …

c linux signals block sigprocmask

Confusion about the lock statement in C#

This is from MSDN: The lock keyword ensures that one thread does not enter a critical section of code while …

c# multithreading locking block critical-section

Append to site <title> in Django template using block.super

I have 3 Django templates: base.html <title>{% block title %} SITE NAME {% endblock %}</title> default.html {% extends "…

django block super

Magento Grid Container Block not loading grid

I just set up an admin module with a grid view using the module creator, and it works great, but …

magento grid block adminhtml

Are there better ways to prevent 'yield' when no block is passed in?

I have a method that yields, which looks like: def a_method(*params) # do something yield # do something else end …

ruby block yield

Set maximum block height and trim content

I have a table in an XSL-FO document and in a cell there's an article description, which can easily overflow …

block xsl-fo

What is the purpose of using blocks

I want to use blocks in my application, but I don't really know anything about blocks. Can anyone explain how …

objective-c cocoa-touch block objective-c-blocks