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Ruby: kind_of? vs. instance_of? vs. is_a?
...metimes. Think @honda.kind_of? Car and @person.is_a? Administrator, Ruby's all about the aesthetics. In fact, notice the grammatical error... with active support you can write @person.is_an? Administrator :)... That might have made it into Ruby core by now, actually.
– rfunduk
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Stop Visual Studio from mixing line endings in files
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I don't have this menu item on my VS2010 ultimate install.
– Palantir
Oct 22 '10 at 8:16
6
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Concurrent HashSet in .NET Framework?
...ass.
private ConcurrentBag<string> _data;
Self-implementation
Finally, as you did, you can implement your own data type, using lock or other ways that the .NET provides you to be thread-safe. Here is a great example: How to implement ConcurrentHashSet in .Net
The only drawback of this sol...
Python: What OS am I running on?
... I'd have thought it's more likely you upgraded from Windows 8 (vs. it being a clean install) and whatever Python looks up in the registry or whatever was left behind?
– OJFord
Jan 30 '18 at 20:53
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How can I count the occurrences of a list item?
...1, 4, 1].count(1)
3
Don't use this if you want to count multiple items. Calling count in a loop requires a separate pass over the list for every count call, which can be catastrophic for performance. If you want to count all items, or even just multiple items, use Counter, as explained in the othe...
Detecting iOS / Android Operating system
... @feeela sometimes the feature is something like being able to install apks, which isn't possible to detect.
– Daniel Lubarov
Mar 7 '16 at 21:11
2
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Is there a better way to do optional function parameters in JavaScript? [duplicate]
... Well, you aren't talking about optional parameters - you really are passing a parameter, so this solution doesn't apply to your case. NaN doesn't mean "undefined" - it means you've passing a number but its value is NaN. See stackoverflow.com/questions/3215120/… for more
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Starting python debugger automatically on error
...e trade-off is merely typing q every time you don't want to debug an error vs. typing %debug every time you do want to debug an error.)
– Braham Snyder
Oct 29 '17 at 21:12
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tag vs tag
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In HTML 4, the type attribute is required. In my experience, all
browsers will default to text/javascript if it is absent, but that
behaviour is not defined anywhere. While you can in theory leave it
out and assume it will be interpreted as JavaScript, it's invalid
HTML, so why...
How to See the Contents of Windows library (*.lib)
... binary interface, this still won't get you return values, parameters, or calling convention. That information isn't encoded in the .lib at all; you have to know that ahead of time (via prototypes in header files, for example) in order to call them correctly.
For functions linked with the C++ bina...