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TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...—所以叫SYN，全称Synchronize Sequence Numbers。也就上图中的 x 和 y。这个号要作为以后的数据通信的序号，以保证应用层接收到的数据不会因为网络上的传输的问题而乱序（TCP会用这个序号来拼接数据）。
对于4次挥手，其实你...
What's the difference between size_t and int in C++?
In several C++ examples I see a use of the type size_t where I would have used a simple int . What's the difference, and why size_t should be better?
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PHP best way to MD5 multi-dimensional array?
...me).' seconds</strong>';
JSON_ENCODE is consistently over 250% (2.5x) faster (often over 300%) -- this is not a trivial difference. You may see the results of the test with this live script here:
http://nathanbrauer.com/playground/serialize-vs-json.php
http://nathanbrauer.com/playground/pl...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
It is possible to create a primary key or unique index within a SQL Server CREATE TABLE statement. Is it possible to create a non-unique index within a CREATE TABLE statement?
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What goes into the “Controller” in “MVC”?
...ser and the Controller deals with user input. What I'm uncertain about is exactly what goes in the Controller.
13 Answers...
Preferred way of loading resources in Java
...r
The starting location
So if you do
this.getClass().getResource("foo.txt");
it will attempt to load foo.txt from the same package as the "this" class and with the class loader of the "this" class. If you put a "/" in front then you are absolutely referencing the resource.
this.getClass().get...
How to generate gcc debug symbol outside the build target?
...ed in the target file. Could gcc generate debug symbol outside the result executable/library? Like .pdb file of windows VC++ compiler did.
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...o one of my question, I'm thinking if it is better using one database with X schemas or vice versa.
5 Answers
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How to create the perfect OOP application [closed]
Recently I was trying for a company ‘x’. They sent me some set of questions and told me to solve only one.
12 Answers
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How can I color Python logging output?
... people are copy/pasting :-(. My stream handler currently only works on UNIX (Linux, Mac OS X) but the advantage is that it's available on PyPI (and GitHub) and it's dead simple to use. It also has a Vim syntax mode :-). In the future I might extend it to work on Windows.
To install the package:
$...