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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
...图 IT技术 C/C++ 开源 & Github 数据库(内核) 大数据 & AI 其他 IT专题 还在用Java开发安卓App？你out啦！ 轻松创APP 首页 > IT技术 > 开源 & Github > 正文 ZMQ: 基本原理 来源：开...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...v3.3, 2009-02-13]
PEP 342 -
Coroutines via Enhanced Generators (GvR, Eby) [v2.5, 2005-05-10]
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How to create a self-signed certificate for a domain name for development?
...he .Net 2.0 SDK. On my server it's at:
C:\Program Files\Microsoft.Net\SDK\v2.0 64bit\Bin\makecert.exe
You can create a signing authority and store it in the LocalMachine certificates repository as follows (these commands must be run from an Administrator account or within an elevated command prom...
What is the difference between RDF and OWL? [closed]
...ormal programming, such as a C struct, isn't fussed about and is closer to AI research & set theory.
Triples & URIs
Subject - Predicate - Object
These describe a single fact. Generally URI's are used for the subject and predicate. The object is either another URI or a literal such as a n...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...l 'abc'
AS accent sensitive, so 'ü' does not equal 'u'
P.S. For more detailed information be sure to read @solomon-rutzky's answer.
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Why does Twitter Bootstrap Use Pixels for Font Size?
... feelings about this go and +1 this thread.
[Update] V3 roadmap oulined in V2.3 release blogpost makes no mention of adding support for ems.
[Update] Lots more information about Bootstrap V3 available in the pull request here including the following from Mark Otto:
We explored the use of rem units...
Differences between Java 8 Date Time API (java.time) and Joda-Time
... libraries in Java. The tables also contain a comparison between Joda-Time v2.8.1 and Java-8 (JSR-310). It is more detailed than this post.
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What is a stack trace, and how can I use it to debug my application errors?
...dbc.jdbcPreparedStatement.executeUpdate(Unknown Source)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeUpdate(NewProxyPreparedStatement.java:105)
at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDelegate.java:57)
... 54 more
In this exam...
How to encrypt/decrypt data in php?
...opular choices available:
PBKDF2 (Password Based Key Derivation Function v2)
bcrypt (aka Blowfish)
This answer will use an example with bcrypt.
Generation
A password hash can be generated like this:
$password = 'my password';
$random = openssl_random_pseudo_bytes(18);
$salt = sprintf('$2y$%02...
What is the dependency inversion principle and why is it important?
... should depend upon abstractions.
Abstractions should never depend upon details. Details should depend upon abstractions.
As to why it is important, in short: changes are risky, and by depending on a concept instead of on an implementation, you reduce the need for change at call sites.
Effectivel...