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How to validate an email address using a regular expression?
...may not be exactly what you want to achieve. For example, it accepts these strings as valid e-mail addresses:
"user1@hotmail.com; user2@gmail.com"
"user1@hotmail.com; user2@gmail.com; user3@company.com"
"User Display Name user3@company.com"
"user4 @company.com"
In some of these cases, only the l...
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
... It seems 'gem' fails to recognize backslashes in the proxy string, whether by http_proxy env var or --http-proxy argument. e.g. from my Ubuntu box --http-proxy http ://domain\\userid@server:port gives me the error: "invalid argument: --http-proxy ..."; Fortunately, my proxy server di...
Nginx Different Domains on Same IP
...y server {} blocks, the sever_name directives were wildcards: .domain1.com and .domain2.com. Changing them to server_name www.domain1.com domain1.com; and server_name www.domain2.com domain2.com; now has the correct page for each site displaying when those addresses are used.
–...
How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
...instance to large. This is our production environment, so what is the best and risk-free way to do this?
5 Answers
...
What is array to pointer decay?
... the operand of the sizeof operator or the unary & operator, or is a
string literal used to initialize an array, an expression that has type ‘‘array of type’’ is
converted to an expression with type ‘‘pointer to type’’ that points to the initial element of
the array object ...
How to check a checkbox in capybara?
... @Jin M Yes, it looks like so <input type="checkbox" name="Extrapainful[]" id="Extrapainful[]" ''="" value="12345" onclick="selectThisPain(this);">
– TangibleDream
Dec 14 '12 at 21:02
...
Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...rom a queue
Sidekiq.redis { |r| r.lrem "queue:app_queue", -1, "the payload string stored in Redis" }
You could do all of this even more easily via redis-cli :
$ redis-cli
> select 0 # (or whichever namespace Sidekiq is using)
> keys * # (just to get an idea of what you're working with)
>...
360安全检测到18%后提示失败，关闭云盾、设置白名单解决 - 更多技术 - 清泛...
...防火墙进行拦截。且这些请求都是从360网站安全卫士集群ip地址发出，且攻击流量较大，速度也较快，导致触发了应用防火墙的防护机制，将360网站安全卫士的集群ip加入了黑名单，在一定时间内封禁其所有的访问，所以会导致...
01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注IT技能提升
...真正应用集群
ASM管理存储，Oracle自己的文件系统
心跳ip有问题，关闭次节点只留主节点，防止数据混乱
virtual ip 可漂移，private ip 心跳ip，scan ip DNS解析
ntp服务禁用（时间同步服务，Oracle自己有同步）
grid 用户：存储、集群...
01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注IT技能提升
...真正应用集群
ASM管理存储，Oracle自己的文件系统
心跳ip有问题，关闭次节点只留主节点，防止数据混乱
virtual ip 可漂移，private ip 心跳ip，scan ip DNS解析
ntp服务禁用（时间同步服务，Oracle自己有同步）
grid 用户：存储、集群...