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Swift alert view with OK and Cancel: which button tapped?
... use it:
var refreshAlert = UIAlertController(title: "Refresh", message: "All data will be lost.", preferredStyle: UIAlertControllerStyle.Alert)
refreshAlert.addAction(UIAlertAction(title: "Ok", style: .Default, handler: { (action: UIAlertAction!) in
print("Handle Ok logic here")
}))
refreshA...
Why can't I have “public static const string S = ”stuff"; in my Class?
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@jjnguy: Why? readonly is actually more flexible than Java's final for variables - you can set it as many times as you like in the constructor, but not elsewhere. That can be very handy.
– Jon Skeet
Jan 2 '09 at 23:0...
find: missing argument to -exec
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A -exec command must be terminated with a ; (so you usually need to type \; or ';' to avoid interpretion by the shell) or a +. The difference is that with ;, the command is called once per file, with +, it is called just as few times as possible (usually once, but there is a maxi...
How do I show/hide a UIBarButtonItem?
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Save your button in a strong outlet (let's call it myButton) and do this to add/remove it:
// Get the reference to the current toolbar buttons
NSMutableArray *toolbarButtons = [self.toolbarItems mutableCopy];
// This is how you remove the button from the toolbar and ...
Is a memory leak created if a MemoryStream in .NET is not closed?
...se. A MemoryStream, on the other hand, stores a managed byte array in its _buffer variable, which is not freed at disposal time. In fact, the _buffer is not even nulled in the MemoryStream's Dispose method, which is a SHAMEFUL BUG IMO because nulling the reference could make the memory eligible fo...
How do you change the size of figures drawn with matplotlib?
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figure tells you the call signature:
from matplotlib.pyplot import figure
figure(num=None, figsize=(8, 6), dpi=80, facecolor='w', edgecolor='k')
figure(figsize=(1,1)) would create an inch-by-inch image, which would be 80-by-80 pixels unless you...
Include jQuery in the JavaScript Console
...ebsite I would like to get the number of rows in a table. I know this is really easy with jQuery.
20 Answers
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anchor jumping by using javascript
...View(); //Even IE6 supports this
(Well I lied. It's not complicated at all.)
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Use CSS3 transitions with gradient backgrounds
...und-size: 100% 90px;
background-position: 0 -30px;
-webkit-transition: all 0.2s linear;
-moz-transition: all 0.2s linear;
-o-transition: all 0.2s linear;
transition: all 0.2s linear;
}
Hover state
.btn:hover {
background-position: 0 0;
}
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scheduleAtFixedRate vs scheduleWithFixedDelay
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Try adding a Thread.sleep(1000); call within your run() method... Basically it's the difference between scheduling something based on when the previous execution ends and when it (logically) starts.
For example, suppose I schedule an alarm to go off with a f...
