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Python __call__ special method practical example
... some default built-in validators such as email validators, url validators etc., which broadly fall under the umbrella of RegEx validators. To implement these cleanly, Django resorts to callable classes (instead of functions). It implements default Regex Validation logic in a RegexValidator and then...
How to escape a JSON string to have it in a URL?
...d to urldecode() data which comes in PHP $_POST or any other (GET, REQEST, etc.). Depending on what you do from here on, you might be opening yourself for a security issue (SQL injection, etc.)
– Tit Petric
Jul 27 '17 at 7:25
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Difference between core and processor
...ory controller to talk to the memory, I/O controllers (display, PCIe, USB, etc..). In the past these elements were outside the CPU, in the complementary "chipset", but most modern design have integrated them into the CPU.
In addition the CPU may have an integrated GPU, and pretty much everything el...
Why do you program in assembly? [closed]
...CPU architecture and optimization. For example, things you know about the fetching mechanism, caching, etc. This is supposed to be transparent to the developer, but the fact is that it is not, that's why compiler writers can optimize.
Certain hardware level accesses are only possible/practical via a...
TCP loopback connection vs Unix Domain Socket performance
...trol, flow control, stream management (IP packet ordering, retransmission, etc) ). Unix domain sockets do not do any of the above because it was designed from the ground up to be ran locally, meaning no congestion issues, no speed differences between server/client requiring flow control, no dropped ...
Is leaked memory freed up when the program exits?
... memory - as is the case with normal "flavors" of Windows, Linux, Solaris, etc. However it is important to note that in specialized environments such as various Real-Time Operating Systems the memory may not be freed when the program is terminated.
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Eventual consistency in plain English
...r about eventual consistency in different speeches about NoSQL, data grids etc.
It seems that definition of eventual consistency varies in many sources (and maybe even depends on a concrete data storage).
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The term “Context” in programming? [closed]
... months now and a frequently used word is "context" in classes. Like ServletContext (Java), Activity (Android), Service (Java, Android), NSManagedContext (Objective-C, iOS).
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Why aren't superclass __init__ methods automatically invoked?
...m being called implicitly? That is what the other languages do (C++, Java, etc.).
– Maggyero
Jul 26 at 10:07
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What difference between Jersey vs jax-rs
...ld be input type, input format, output type, its format, its configuration etc.Its Just a type declaration and its implementation are these libraries, Jersey, wink RestEasy etc.
Further, Java also have specification like JPA(Java Persistence API) and like mentioned above there is Hibernate which is...