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{[:input] [:label]}
(h/clone-for [[k v] (:choices q)]
[:input]
(h/set-attr :name (-> q :question-id name)
            :id (name k)
            :value (name k))

[:label]
(h/do->
 (h/set-attr :for (name k))

yuanmai

user> (zero? 1)
false
user> (zero? 0)
true
user> [0 1 2 0 3]
[0 1 2 0 3]
user> (filter zero? [0 1 2 0 3])
(0 0)
user> (count (filter zero? [0 1 2 0 3]))
2

yuanmai

open [file-name] -a emacs

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sudo ln -fhsv 1.6.0 /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents
sudo ln -fhsv 1.6.0 Current
sudo ln -fhsv 1.6.0 CurrentJDK

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find . -name "*.elc" -type f | xargs rm -f

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:repl-options {:port 10101 :host "0.0.0.0" }

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lvextend -L +5G /dev/ubuntu/data

减少5G

lvresize -L -5G /dev/ubuntu/data 

三、增加swap空间。
    一般swap是内存的2倍，但是如果一不小心在安装时少分了点，那就有点郁闷了。没关系，lvm可以增加swap空间。
   1、free查看swap的卷标
          #free

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_coverImage = [UIImage imageNamed:@"Default.png"];
}

[self.view addSubview:_coverImage];

[UIView beginAnimations:@"FadeOutCover" context:nil];
[UIView setAnimationDuration:0.5f];
[UIView setAnimationDelegate:self];
[UIView setAnimationDidStopSelector:@selector(removeAndDeleteCover)];

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VBoxManage modifyvm "Your VM Name" --natpf1 "guestssh,tcp,,2222,,22"

ssh root@localhost -p 2222

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- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
 
    if (!maskLayer)
    {
        maskLayer = [CAGradientLayer layer];
 
        CGColorRef outerColor = [UIColor colorWithWhite:1.0 alpha:1.0].CGColor;
        CGColorRef innerColor = [UIColor colorWithWhite:1.0 alpha:0.0].CGColor;