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The reverse proxy provided by symfony2 itself is comparable to some reverse proxy applications on the market.

The reverse proxy provided by symfony2 itself is comparable to some reverse proxy applications on the market, as well as the usability and performance of the built-in reverse proxy.

大家讲道理 2017-05-16 16:46:20

javascript - vue2.0 beginners. Comprehension issues?

1. Why can't the value of this block be returned before it is instantiated? 2. Why can the value be returned only after instantiation? 3. Can't the filter method be directly obtained from the prototype? Why can't it be used directly?

巴扎黑 2017-07-05 10:37:44

Questions about vuex...mapActions - Stack Overflow

I know... is the ES6 spread operator. And you can use {code...} like this, but I really don’t understand what it means to use...mapActions() in the methods attribute of vue. God please answer!

黄舟 2017-06-12 09:32:30

mysql - Why does database read-write separation improve database performance?

Please see the blog above for why read-write separation can improve database performance. According to database common sense, read-write separation can indeed improve database performance, but you don't know if you understand its underlying principles. For example, one reads and one writes, but the ...

PHPz 2017-05-24 11:34:46

redis - How to understand the atomic operation of memcache?

Memcache's add is atomic, that is, multiple processes are performing add operations at the same time, and no race conditions will occur. Does this mean that add will not generate concurrency? ?

大家讲道理 2017-05-31 10:36:15

After sealing the object with Object.seal() in es5, can the properties on the object prototype be modified?

mdn's explanation is that this translation does not affect the attributes inherited on the prototype, but the value of the __proto__ attribute cannot be modified. Then I tested it myself and found that the prototype can be deleted and modified after the object is sealed, and then I did not understan...

漂亮男人 2017-06-10 09:49:20

php - Conjecture about the possibility of the interface sign being cracked

{code...}

滿天的星座 2017-06-24 09:42:36

Add timeout for CDN link loading: implement timeout mechanism in Head tag

I'm using a CDN to load some styles. For machines without configured proxy it works fine. But sometimes people may use a proxy to connect to a web page that the CDN cannot resolve, causing the page to take a long time to load or not load at all unless the user forces a refresh. Is there a way to spe...

P粉709307865 2023-09-11 17:44:04

Why can backend proxies cross domains?

Why can the back-end proxy settings be cross-domain? Don't quite understand

欧阳克 2017-06-14 10:52:51

Decoding CSS selector priority/specificity

I'd like to understand how CSS selectors handle attribute conflicts. How to select one property over another? div{background-color:red;}div.my_class{background-color:black;}div#my_id{background-color:blue;}bodydiv{background-color:green;}body>div{background-color:orange;

P粉715274052 2023-10-19 22:58:19

How to understand $(":has(selector)")

What do you understand by matching elements that contain a specific selector element? Can it be understood as matching the internal elements of the specified selector element?

逝水流年 2019-03-21 18:23:10