大约有 2,000 项符合查询结果（耗时：0.0461秒） [XML]
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...外一种更好的方式叫：Selective Acknowledgment (SACK)（参看RFC 2018），这种方式需要在TCP头里加一个SACK的东西，ACK还是Fast Retransmit的ACK，SACK则是汇报收到的数据碎版。参看下图：
这样，在发送端就可以根据回传的SACK来知道哪些...
Spring Boot - parent pom when you already have a parent pom
...
Update 2018-01-04 with 1.5.9.RELEASE.
I have full code and runable example here https://www.surasint.com/spring-boot-with-no-parent-example/
You need this as a basic
<dependencyManagement>
<dependencies>
...
Is there a way to pass optional parameters to a function?
...rguments". For example, in opt_fun(1,2, "blah", 3.14, mykey="yes", myyear="2018"), "blah" and 3.14 are forma arguments preceded by * because it's in between the two positional arguments and the argument that uses the = sign. The resulting tuple positional_parameter would be the duple: ("blah", 3.14)...
Why would I ever use push_back instead of emplace_back?
...no? It appears to remain an outstanding issue. The latest update, headed "[2018-08-23 Batavia Issues processing]", says that "P0960 (currently in flight) should resolve this." And I still can't compile code that tries to emplace aggregates without explicitly writing a boilerplate constructor. It's a...
Control the dashed border stroke length and distance between strokes
...
this answer is outdated as of 2018
– godblessstrawberry
Apr 23 '18 at 17:52
2
...
Difference between author and committer in Git?
...domly selected patch and the corresponding commit:
https://lkml.org/lkml/2018/1/25/568
https://github.com/torvalds/linux/commit/5beda7d54eafece4c974cfa9fbb9f60fb18fd20a
Git web interfaces like GitHub and GitLab may or may not generate author != committer
Since Git(Hub|Lab) hold both the upstrea...
Why not use java.util.logging?
...
honestly though, I'd love to see 2018 benchmarks on Java 11 (or whatever that ends up being), and against log4j2 in async mode.
– xenoterracide
Jun 12 '18 at 20:32
...
How can I get query string values in JavaScript?
...
Update: Sep-2018
You can use URLSearchParams which is simple and has decent (but not complete) browser support.
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');
PS
Unfortunately UR...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...
No router + no screen + regular Ethernet cable + RPI 2 + Raspbian Lite 2018-11-13 + Ubuntu 18.10
First we must enable the SSH server on the Pi, which is disabled by default for security.
If you already have a shell on the Pi through a non-SSH method such as screen + keyboard or UART (see below...
Relationship between SciPy and NumPy
...
@DanBoschen As of November 2018, I still stand by my comment above. Importing SciPy when only NumPy is needed might be a bit overkill. On the other hand, NumPy is imported when SciPy is loaded, so there is no need to import NumPy in addition to SciPy. ...