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Creating JS object with Object.create(null)?

...t.create(null) doesn't inherit from anything and thus has no properties at all. In other words: A javascript object inherits from Object by default, unless you explicitly create it with null as its prototype, like: Object.create(null). {} would instead be equivalent to Object.create(Object.prototy...
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How to validate an e-mail address in swift?

...s quite funny that ............ as well as (1) the regex being utterly, totally incorrect (2) the regex (even within the context of what it's trying to do) has major errors (3) the Swift is wrong (4) even setting that aside, the style is totally wrong (5) not that it matters given all the rest but i...
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How to track down a “double free or corruption” error

... If you're using glibc, you can set the MALLOC_CHECK_ environment variable to 2, this will cause glibc to use an error tolerant version of malloc, which will cause your program to abort at the point where the double free is done. You can set this from gdb by using ...
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How to write a scalable Tcp/Ip based server

...he best bet, using the Asynchronous sockets. This meant that clients not really doing anything actually required relatively little resources. Anything that does occur is handled by the .net thread pool. I wrote it as a class that manages all connections for the servers. I simply used a list to ho...
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How to run a program without an operating system?

How do you run a program all by itself without an operating system running? Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU? ...
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Pass a parameter to a fixture function

... through the tester fixture. I had a similar problem--I have a fixture called test_package, and I later wanted to be able to pass an optional argument to that fixture when running it in specific tests. For example: @pytest.fixture() def test_package(request, version='1.0'): ... request....
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How do I filter query objects by date range in Django?

...year='2011', date__month='01') Edit As Bernhard Vallant said, if you want a queryset which excludes the specified range ends you should consider his solution, which utilizes gt/lt (greater-than/less-than). ...
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Most Pythonic way to provide global configuration variables in config.py? [closed]

...a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a dict of configs I'd like to set and pass between modules? – Jinx ...
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What is the list of possible values for navigator.platform as of today? [closed]

...urate. The definition As far as I know there isn't a single public list of all possible `navigator.platform` values, even though the property has been around for quite a bit. To make things worse, the property's definition changed throughout the years. It used to be: navigator.platform indicates th...
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How to check if the string is empty?

... s.strip() allocates a new string, which is pure waste. Use string.isspace() – Clément Jun 22 at 15:27 add a ...