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What does the “__block” keyword mean?
...eated in a special way when it is used inside a block. Normally, variables and their contents that are also used in blocks are copied, thus any modification done to these variables don't show outside the block. When they are marked with __block, the modifications done inside the block are also visib...
Visual Studio 2013 hangs when opening a solution
I installed VS2013 (v12.0.21005.1) and added ReSharper 8 (v8.0.2000.2660) a day or two ago. That day it was fine. Now I'm lucky if I can get it to open one solution in a whole day. It opens OK by itself, but when I try and open a solution from within - via the menu - it hangs, badly. If I right-clic...
console.log timestamps in Chrome?
...I've just found it. No other dirty hacks needed that destroys placeholders and erases place in the code where the messages was logged from.
Update for Chrome 68+
The "Show timestamps" setting has been moved to the Preferences pane of the "DevTools settings", found in the upper-right corner of the ...
Create PostgreSQL ROLE (user) if it doesn't exist
...sword';
END IF;
END
$do$;
(Building on @a_horse_with_no_name's answer and improved with @Gregory's comment.)
Unlike, for instance, with CREATE TABLE there is no IF NOT EXISTS clause for CREATE ROLE (up to at least pg 12). And you cannot execute dynamic DDL statements in plain SQL.
Your reques...
How to “pretty” format JSON output in Ruby on Rails
...client-side debugging as any tools worth their salt (eg. Firebug) already handle prettyprinting JSON.
– lambshaanxy
Sep 20 '11 at 3:37
8
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Expand a div to fill the remaining width
...th floats in a specific way.
Just take that second div, remove the float, and give it overflow:hidden instead. Any overflow value other than visible makes the block it's set on become a BFC. BFCs don't allow descendant floats to escape them, nor do they allow sibling/ancestor floats to intrude in...
Creating a new empty branch for a new project
...hat we would want to create a new empty branch to start storing our files, and I would want other users of the network to clone that branch.
...
How to elegantly check if a number is within a range?
How can I do this elegantly with C# and .NET 3.5/4?
27 Answers
27
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...州轮岗支援。刚到广州的时候，Ray让我和春哥对Line和WhatsApp的心跳...
前言：在13年11月中旬时，因为基础组件组人手紧张，Leo安排我和春哥去广州轮岗支援。刚到广州的时候，Ray让我和春哥对Line和WhatsApp的心跳机制进行分析。...
Skip callbacks on Factory Girl and Rspec
...efault should be that when I create an object the callbacks are triggered, and I should use a different parameter for the exceptional case. so FactoryGirl.create(:user) should create the user triggering the callbacks, and FactoryGirl.create(:user_without_callbacks) should create the user without th...