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Multi-line string with extra space (preserved indentation)
...ve <<- instead of << on the first line of the 2nd and 5th code block? does - do anything special?
– lohfu
Jul 1 '15 at 18:31
38
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What's the difference between equal?, eql?, ===, and ==?
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You might be familiar with === as an equality operator in Javascript and PHP, but this just not an equality operator in Ruby and has fundamentally different semantics.
So what does === do?
=== is the pattern matching operator!
=== matches regular expressions
=== checks range membership
=== che...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
...g:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 切换 目录 在线 客服 ...
Configure IIS Express for external access to VS2010 project
...since Visual Studio assigns a port (other than 8080), Windows Firewall was blocking it. After shutting off Windows Firewall (I could arguably just open the port, but I'm on a secure network) and using my machine's IP rather than the machine name, it worked. Thanks. I'd vote up, but don't have the ...
nonlocal keyword in Python 2.x
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I agree with @CarmeloS, your last block of code in not doing what PEP-3104 suggests as way to accomplish something similar in Python 2. ns is a global object which is why you can reference ns.x at the module level in the print statement at the very end.
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Difference between doseq and for in Clojure
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@johnbakers It will block forever until the evaluation is interrupted. Clojure never attempts to handle infinite sequences in a different way than finite sequences.
– Radon Rosborough
Dec 22 '16 at 18:53
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How can I generate a unique ID in Python? [duplicate]
... 35 digits (or more) number to 35 digits (or more) number based on cipher block and secret key. read paper on breaking PRNG algorithms
in order to be convinced that problems could occur as soon as you use random library :)
1 million id per second ?... on a Intel(R) Core(TM)2 CPU 6400 ...
Django - filtering on foreign key properties
... it will be great to edit and add some text, explanation or comment to the block of code to put it in context.
– Elisha Senoo
Sep 28 '18 at 9:16
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What is the difference between HashSet and List?
...n contain duplicates
has a predictable order
HashSet is a set. It:
Can block duplicate items (see Add(T))
Does not guarantee the order of the items within the set
Has operations you would expect on a set, e.g., IntersectWith, IsProperSubsetOf, UnionWith.
List is more appropriate when you want ...
HorizontalScrollView within ScrollView Touch Handling
...le. The first element I have in this ScrollView is a HorizontalScrollView block that has features that can be scrolled through horizontally. I've added an ontouchlistener to the horizontalscrollview to handle touch events and force the view to "snap" to the closest image on the ACTION_UP event.
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