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What are the differences between Clojure, Scheme/Racket and Common Lisp?
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How do pointer to pointers work in C?
... ***cpp = &cp;
Now cpp stores the address of cp. So it has value 55 (based on the example above), and you guessed it: it is itself stored at address 60.
As to why one uses pointers to pointers:
The name of an array usually yields the address of its first element. So if the array contains ...
What is Rack middleware?
...tion: "is the user authorised to perform this particular task?", i.e. role-based security.
Caching: have I processed this request already, can I return a cached result?
Decoration: how can I enhance the request to make downstream processing better?
Performance & Usage Monitoring: what stats can ...
Windows batch: sleep [duplicate]
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I haven't used this command - I just found it in ss64. You may also want to take a look at lukuluku's solution.
– Jaime Soto
Nov 30 '10 at 18:32
1
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SPA best practices for authentication and session management
...quest.
This, of course, absolutely requires SSL, because you're passing a Base64 (reversibly) encoded name and password with every request. Anybody listening on the line could extract username and password trivially. Most of the "Basic Auth is insecure" arguments come from a place of "Basic Auth ov...
In Typescript, How to check if a string is Numeric
...ull); // false
Number.isFinite(0); // true
Number.isFinite(2e64); // true
Note: there's a significant difference between the global function isFinite() and the latter Number.isFinite(). In the case of the former, string coercion is performed - so isFinite('0') === true whilst Nu...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
... 245020k buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
1892g 21g 21g 69.6
这台MongoDB服务器有没有性能问题？大家可以一边思考一边继续阅读。
先讲讲Linux是如何管理内存的
在Linux里（别的系统也...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
... 245020k buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
1892g 21g 21g 69.6
这台MongoDB服务器有没有性能问题？大家可以一边思考一边继续阅读。
先讲讲Linux是如何管理内存的
在Linux里（别的系统也...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
... 245020k buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
1892g 21g 21g 69.6
这台MongoDB服务器有没有性能问题？大家可以一边思考一边继续阅读。
先讲讲Linux是如何管理内存的
在Linux里（别的系统也...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
... 245020k buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
1892g 21g 21g 69.6
这台MongoDB服务器有没有性能问题？大家可以一边思考一边继续阅读。
先讲讲Linux是如何管理内存的
在Linux里（别的系统也...