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When to use window.opener / window.parent / window.top
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163
window.opener refers to the window that called window.open( ... ) to open the window from whi...
Difference between float and double in php?
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155
There is no difference in PHP. float, double or real are the same datatype.
At the C level, e...
Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
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How can I update the current line in a C# Windows Console App?
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Infinite scrolling with React JS
...nd = Math.min(visibleStart + this.state.recordsPerBody, this.state.total - 1);
var displayStart = Math.max(0, Math.floor(scroll / this.state.recordHeight) - this.state.recordsPerBody * 1.5);
var displayEnd = Math.min(displayStart + 4 * this.state.recordsPerBody, this.state.total - 1);
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How do I change the UUID of a virtual disk?
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172
The correct command is the following one.
VBoxManage internalcommands sethduuid "/home/user/V...
What's the difference between jQuery's replaceWith() and html()?
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291
Take this HTML code:
<div id="mydiv">Hello World</div>
Doing:
$('#mydiv').html('...
Android - Dynamically Add Views into View
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edited Nov 22 '16 at 1:26
rmtheis
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ans...
Create module variables in Ruby
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159
Ruby natively supports class variables in modules, so you can use class variables directly, an...
Remove duplicate rows in MySQL
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611
A really easy way to do this is to add a UNIQUE index on the 3 columns. When you write the ALT...