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Traits in PHP – any real world examples/best practices? [closed]
... solve this nicely by allowing me to keep the boilerplate in one place and selectively apply it where needed.
Note: given that traits are a new concept in PHP, all opinion expressed above is subject to change. I've not have had much time to evaluate the concept myself yet. But I hope it is good eno...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...层做得好不好，直接决定整个BLE芯片的功耗，灵敏度以及selectivity等射频指标。Link Layer，简称：LL，链路层。LL层是整个BLE协议栈的核心，也是BLE协议栈的难点和重点。像Nordic的BLE协议栈能同时支持20个link（连接），就是LL层的功...
What is the difference between == and Equals() for primitives in C#?
... accepts the same type.
If you write age.Equals(newAge), the compiler will select int.Equals(int) as the best overload and implicitly convert short to int. It will then return true, since this method simply compares the ints directly.
short also has a short.Equals(short) method, but int cannot be im...
How do you version your database schema? [closed]
...bles. I then copy the data over from the old database using INSERT INTO x SELECT FROM y and then apply all indexes, constraints and triggers.
New tables, new columns, deleted columns all get handled automatically and with a few little tricks to adjust the copy routine I can handle column renames, ...
How to find the kth smallest element in the union of two sorted arrays?
...ithmic. (Here we are getting rid of half). In order to do that, we need to select one array whose one of the halves we can safely ignore. How do we do that? By confidently eliminating the half we know for sure is not going to have the kth element.
– lambdapilgrim
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Clustered vs Non-Clustered
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Some db with some nasty selects, joins in a stored procedure - only diffrence is the index
INDEXES - clustered vs nonclustered
891 rows
10 sec
NONCLUSTERED
OR
891 rows
14 sec
CLUSTERED
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Possible reason for NGINX 499 error codes
...they tend to disable webhooks and dont' send them again… Can I do so for selected URLs?
– pilat
Oct 31 '19 at 6:54
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Windows 8.1 / Windows 10 breaks my ASP.NET / IIS : “Service unavailable”
...t; Programs and Features, locate IIS URL Rewrite Module 2, right click and select Repair (it's quick). Next, restart your stopped AppPool(s). Should be OK now.
No need to uninstall nor reinstall.
Gary Davis
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What goes into the “Controller” in “MVC”?
... the user taken the in the view and responds. You put validation here and select the appropriate view if the validation fails or succeeds (error page, message box, whatever).
There is another good article at Fowler.
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What is the difference between DSA and RSA?
...RECAUTIONS TO TAKE
Establishing a secure SSH connection entails more than selecting safe encryption key pair technology. In view of Edward Snowden's NSA revelations, one has to be even more vigilant than what previously was deemed sufficient.
To name just one example, using a safe key exchange alg...