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How can I get rid of an “unused variable” warning in Xcode?
...sed
– Heath Borders
Jul 8 '16 at 14:32
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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...00 DB 0
DB 0xf0, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00
TIMES 1469432 DB 0
其中，主要的步骤代码中都有详尽的注释，如有任何问题，请移步至论坛《深入OS》板块发帖讨论。
编译执行过程：
打开dos窗口，进入源码所在目录，执...
How to prevent browser page caching in Rails
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Finally figured this out - http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ in application_controller.rb
After Rails 5:
class ApplicationController < ActionController::Base
before_a...
Design patterns or best practices for shell scripts [closed]
...first suggestion is "don't". The reason is that is fairly easy to make a small mistake that hinders your script, or even make it dangerous.
That said, I don't have other resources to pass you but my personal experience.
Here is what I normally do, which is overkill, but tends to be solid, although...
How do I execute code AFTER a form has loaded?
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Old but gold... Yes, you are wrong. GUI can not run parallel tasks, what is important to do something WHILE another execution is done.
– Dennis Ziolkowski
Nov 22 '13 at 22:18
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How do you display code snippets in MS Word preserving format and syntax highlighting?
... Please note tath this requires open/libre office to be installed on your machine.
– BetaRide
Oct 10 '13 at 6:06
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Android: Expand/collapse animation
...de: the "initalize" method name should be "initialize" or it will not get called. ;) I'd recommend using @Override in the future so this kind of typo gets caught by the compiler.
– Lorne Laliberte
Sep 28 '11 at 3:57
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How to animate the change of image in an UIImageView?
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I am not sure if you can animate UIViews with fade effect as it seems all supported view transitions are defined in UIViewAnimationTransition enumeration. Fading effect can be achieved using CoreAnimation. Sample example for this approach:
#import <QuartzCore/QuartzCore.h>
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imageView....
Git keeps asking me for my ssh key passphrase
...-add
This will ask you your passphrase just once, and then you should be allowed to push, provided that you uploaded the public key to Github.
To save key permanently on macOS:
ssh-add -K
This will persist it after you close and re-open it by storing it in user's keychain.
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Capitalize or change case of an NSString in Objective-C
...e caps ➔ (method missing; see workaround below)
Hence what you want is called "uppercase", not "capitalized". ;)
As for "Sentence Caps" one has to keep in mind that usually "Sentence" means "entire string". If you wish for real sentences use the second method, below, otherwise the first:
@inter...