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Do zombies exist … in .NET?

... "zombie thread" crashing a system. I routinely use locking and I didn't know what a "zombie thread" was, so I asked. The impression I got from his explanation is that a zombie thread is a thread that has terminated but somehow still holds onto some resources. An example he gave of how a zombie t...
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Why is 1/1/1970 the “epoch time”?

...och date went through a couple of changes before stabilizing on what it is now. But it does not say why exactly 1/1/1970 was chosen in the end. Notable excerpts from the Wikipedia page: The first edition Unix Programmer's Manual dated November 3, 1971 defines the Unix time as "the time since 00:00:...
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Getting the exception value in Python

...ever see the actual exception but just a UnicodeDecodeError. If you don't know the exception's encoding (and most of the time you don't), you should either work on repr(e) or if you really need to, use another try-except block in your exception handling which catches UnicodeDecodeErrors and falls ba...
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Android Whatsapp/Chat Examples [closed]

...e becoming a separate project, it was only the engine powering Wazapp. Now that it matured enough, it was separated into a separate project, allowing anyone to build their own Whatsapp client on top of it. Having such a popular client as Wazapp, built on Yowsup, helped bring the project in...
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Token Authentication vs. Cookies

...er. This way the server can maintain a session with the stateless client, knowing mostly everything about the app's state, but stored in the server. In this scenario at no moment does the client hold state, which is not how Ember.js works. In Ember.js things are different. Ember.js makes the program...
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Performance of Find() vs. FirstOrDefault() [duplicate]

... It's now 100% obvious what is the only difference between them, I was hoping to see something else, like more tricky to identify. It's always interesting to see what's going on under the hood of .net framework. thanks! ...
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When is -XAllowAmbiguousTypes appropriate?

...ins why sugarSym doesn't require the AllowAmbiguousTypes extension. Let's now look at sugar. The first thing I notice is that the compiler is not complaining about an ambiguous type, but rather, about overlapping instances: Overlapping instances for SyntacticN b fi arising from the ambiguity che...
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Chrome Development Tool: [VM] file from javascript

... in the stacktrace more than once, and you can't cache them, as you don't know which file is which in future stacktraces. This is fixed in Dev Tools, but not in webapps. – Carl Smith Jun 19 '14 at 13:45 ...
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What is the difference between trie and radix trie data structures?

...e letter, while in a PATRICIA tree (or radix tree) you store whole words. Now, assume you have the words hello, hat and have. To store them in a trie, it would look like: e - l - l - o / h - a - t \ v - e And you need nine nodes. I have placed the letters in the nodes, but in ...
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How do I run multiple background commands in bash in a single line?

...e efficient because they don't fork a new subshell. In this case I don't know if it makes a difference. share | improve this answer | follow | ...