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TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可能出现DDoS攻击，Zero Window也不例外，一些攻击者会在和HTTP建好链发完GET请求后，就把Window设置为0，然后服务端就只能等待进行ZWP，于是攻击者会并发大量的这样的请求，把服务器端的资源耗尽。（关于这方面的攻击，大家可...
What are some good Python ORM solutions? [closed]
...ance differences.
SQLAlchemy also has a declarative layer that hides some complexity and gives it a ActiveRecord-style syntax more similar to the Django ORM.
I wouldn't worry about Django being "too heavy." It's decoupled enough that you can use the ORM if you want without having to import the re...
How do you make a deep copy of an object?
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Just use kryo: github.com/EsotericSoftware/kryo#copyingcloning benchmark slideshare.net/AlexTumanoff/serialization-and-performance
– zengr
Sep 21 '15 at 20:22
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Open file dialog box in JavaScript
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how come this is good? this is a good practice at all? shouldnt be something like this: stackoverflow.com/a/18659941/915865?
– Kat Lim Ruiz
Sep 25 '13 at 19:27
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Can I store images in MySQL [duplicate]
... server if they're on different hosts.
I've worked at startups, mid-size companies and large technology companies with 400K+ employees. In my 13 years of professional experience, I've never seen anyone store images in a database. I say this to support the statement it is an uncommon practice.
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How can I get the source code of a Python function?
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return a
But I believe that if the function is compiled from a string, stream or imported from a compiled file, then you cannot retrieve its source code.
share
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C/C++ maximum stack size of program
...e at most ~100 bytes which should be sufficient for a DFS algorithm.
Most compilers including Visual Studio let you specify the stack size. On some (all?) linux flavours the stack size isn't part of the executable but an environment variable in the OS. You can then check the stack size with ulimit ...
How to automatically start a service when running a docker container?
...etup.sh
Docker images do not save running processes. Therefore, your RUN command executes only during docker build phase and stops after the build is completed. Instead, you need to specify the command when the container is started using the CMD or ENTRYPOINT commands like below:
CMD mysql star...
Storing Python dictionaries
...nimal knowledge of json to support user-defined classes. The JSON homepage completely defines the language in just over 3 printed pages, so it's easy to absorb/digest quickly.
– Jonathanb
Aug 17 '11 at 23:47
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How to debug in Django, the good way? [closed]
...ing on actual executing code.
However there are other options (I am not recommending them):
* return HttpResponse({variable to inspect})
* print {variable to inspect}
* raise Exception({variable to inspect})
But the Python Debugger (pdb) is highly recommended for all types of Python code. If y...