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Filter Java Stream to 1 and only 1 element
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Instance variables vs. class variables in Python
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answered Apr 26 '10 at 15:16
Alex MartelliAlex Martelli
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enum.values() - is an order of returned enums deterministic
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edited Apr 6 '15 at 16:07
Dan Grahn
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Create tap-able “links” in the NSAttributedString of a UILabel?
...linkAttributes = @{ NSForegroundColorAttributeName : [UIColor colorWithRed:0.05 green:0.4 blue:0.65 alpha:1.0],
NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle) };
[attributedString setAttributes:linkAttributes range:linkRange];
// Assign attributedText to...
HTML5: number input type that takes only integers?
...n achieve with HTML only (documentation):
<input type="number" min="0" step="1"/>
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Inheriting class methods from modules / mixins in Ruby
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Sergio TulentsevSergio Tulentsev
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Differences between std::make_unique and std::unique_ptr with new
...change that means that this is no longer unsafe. See C++ committee papers P0400R0 and P0145R3.
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Counter increment in Bash loop not working
...a temp file for storing the intermediate value:
TEMPFILE=/tmp/$$.tmp
echo 0 > $TEMPFILE
# Loop goes here
# Fetch the value and increase it
COUNTER=$[$(cat $TEMPFILE) + 1]
# Store the new value
echo $COUNTER > $TEMPFILE
# Loop done, script done, delete the file
unlink $TEMPFILE
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How to detect if a variable is an array
...efore, it might be a good idea to check if the object has a property named 0 instead, which can be done via one of these checks:
typeof obj[0] !== 'undefined' // false negative for `obj[0] = undefined`
obj.hasOwnProperty('0') // exclude array-likes with inherited entries
'0' in Object(obj) // inclu...
What's the fundamental difference between MFC and ATL?
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I think the answer to your question is mostly historical, if you look back at how the two librar...