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Linux - Install redis-cli only
...sr/local/bin/
With Docker I normally use https://registry.hub.docker.com/_/redis/. If I need to add redis-cli to an image I use the following snippet.
RUN cd /tmp &&\
curl http://download.redis.io/redis-stable.tar.gz | tar xz &&\
make -C redis-stable &&\
cp red...
In Swift how to call method with parameters on GCD main thread?
...() + 0.1) {
// your code here
}
Older versions of Swift used:
dispatch_async(dispatch_get_main_queue(), {
let delegateObj = UIApplication.sharedApplication().delegate as YourAppDelegateClass
delegateObj.addUIImage("yourstring")
})
...
Why is the String class declared final in Java?
... have two strings that look alike when "seen as Strings", but that are actually different.
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How to create new tmux session if none exists
...ause with a small tweak this works with named sessions: tmux attach -t some_name || tmux new -s some_name. Change some_name to $1 add a shebang, and save.
– Cheezmeister
Jan 9 '14 at 4:48
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How can I use a search engine to search for special characters? [closed]
...ace before it, in which case it is a negative sign.)
The underscore symbol _ is not ignored when it connects two words, e.g. [ quick_sort ].
As such, it is not well suited for these types of searchs. Google Code however does have syntax for searching through their code projects, that includes a ro...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast简单总结：1)const_cast：移除const属性。2)static_cast：强转，与C类型转换类似，不检查类型来保证转换安全。也可用于指针的父类到子类的...简单总结：
1) const_cast：移除const属性。
...
Use of alloc init instead of new
...swered Mar 6 '13 at 15:49
guitar_freakguitar_freak
4,19566 gold badges2727 silver badges4242 bronze badges
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Get the current displaying UIViewController on the screen in AppDelegate.m
...d can be easily reused.
So I created a category on UIWindow. You can now call visibleViewController on UIWindow and this will get you the visible view controller by searching down the controller hierarchy. This works if you are using navigation and/or tab bar controller. If you have another type of...
How can I show hidden files (starting with period) in NERDTree?
...reeShowHidden=1
For more detail, access the NERDTree help file :help NERD_tree.txt and search for "hidden".
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Adding the “Clear” Button to an iPhone UITextField
...
func clear_btn(box_is : UITextField){
box_is.clearButtonMode = .always
if let clearButton = box_is.value(forKey: "_clearButton") as? UIButton {
let templateImage = clearButton.imageView?.image?.withRenderingMode(.alway...