大约有 47,000 项符合查询结果（耗时：0.0522秒） [XML]
How can I store my users' passwords safely?
...een programmed by people with experience and reviewed by many folks on the internet.
For more information on password storage schemes, read Jeff`s blog post: You're Probably Storing Passwords Incorrectly
Whatever you do if you go for the 'I'll do it myself, thank you' approach, do not use MD5 or S...
Code signing certificate for open-source projects?
...from Certum/Unizeto for yourself as an individual, follow these steps. Use Internet Explorer or Safari, since they support the key exchange mechanism.
Browse to Test ID and OpenSource Code Signing certificates, and submit the form.
The certificate will appear under Activate Certificates. Click Act...
Find the min/max element of an Array in JavaScript
...big arrays (~10⁷ elements), Math.min and Math.max both produces the following error in Node.js.
RangeError: Maximum call stack size exceeded
A more robust solution is to not add every element to the call stack, but to instead pass an array:
function arrayMin(arr) {
return arr.reduce(func...
Convert UTC datetime string to local datetime
...e updated my answer to reflect this. The dateutil.zoneinfo module I was showing previously is used internally by the tz module as a fall back if it can't locate the system's zoneinfo DB. If you look inside the library you'll see that there's a zoneinfo DB tarball in the package that it uses if it c...
How to update a plot in matplotlib?
I'm having issues with redrawing the figure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
...
C# vs C - Big performance difference
...dated at the assembly level.
The main problem with a lot of forums on the internet that a lot of newbie's listen to Microsoft marketing propaganda without understanding the technology and make false claims that C# is faster than C++. The claim is that in theory, C# is faster than C++ because the JI...
Python strptime() and timezones?
..., minute, second). Nothing else. No mention of timezones.
Interestingly, [Win XP SP2, Python 2.6, 2.7] passing your example to time.strptime doesn't work but if you strip off the " %Z" and the " EST" it does work. Also using "UTC" or "GMT" instead of "EST" works. "PST" and "MEZ" don't work. Puzzlin...
PyPy — How can it possibly beat CPython?
... the PyPy python interpreter however they change their implementation, allowing for much more freedom in experimentation to improve performance (without worrying about introducing GC bugs or updating the JIT compiler to cope with the changes). It also means when they get around to implementing a Pyt...
What does the slash mean in help() output?
...aracter.
Then his proposal won.
Heh. If that's true, my '/' proposal wins:
def foo(pos_only, /, pos_or_kw, *, kw_only): ...
I think the very relevant document covering this is PEP 570.
Where recap section looks nice.
Recap
The use case will determine which parameters to use in ...
How do I choose between Semaphore and SemaphoreSlim?
...states that the SemaphoreSlim is a lightweight alternative and doesn't use Windows Kernel semaphores. This resource states that the SemaphoreSlim is much faster. In what situations does the SemaphoreSlim make more sense over the Semaphore and vice versa?
...