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What ports does RabbitMQ use?
... http://nmap.org ) at 2014-09-19 13:50 EDT
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00041s latency).
PORT STATE SERVICE
443/tcp open https
5672/tcp open amqp
15672/tcp open unknown
35102/tcp open unknown
59440/tcp open unknown
Oh look, 5672, and...
Hex transparency in colors [duplicate]
...x values
decimal = percentage * 255 / 100 . ex : decimal = 50*255/100 = 127.5
convert decimal to hexadecimal value . ex: 127.5 in decimal = 7*16ˆ1 + 15 = 7F in hexadecimal
Hex values to percentage
convert the hexaxdecimal value to decimal. ex: D6 = 13*16ˆ1 + 6 = 214
percentage = (value in ...
Set transparent background of an imageview on Android
...ert the decimal to hexadecimal here.
For example, for 50%, 50/100 * 255 = 127. Using the link we get hexadecimal value 7F.
Source: Android: how to create a transparent or opaque background
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How did I get a value larger than 8 bits in size from an 8-bit integer?
...aced c-- with c = c - 1 and the values remained within the range [-128 ... 127]:
c: -123
c: -124
c: -125
c: -126
c: -127
c: -128 // about to overflow
c: 127 // woop
c: 126
c: 125
c: 124
c: 123
c: 122
Freaky ey? I don't know much about what the compiler does to expressions like i++ or i--. It's l...
How do I focus on one spec in jasmine.js?
...}
})
Now you can run just the whole spec by this url http://localhost:8888?spec=MySpec and a the first test with http://localhost:8888?spec=MySpec+function+1
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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...017
5、测试主从复制。
在主节点上连接到终端：
mongo 127.0.0.1
#建立test 数据库。
use test;
往testdb表插入数据。
> db.testdb.insert({"test1":"testval1"})
查询testdb数据看看是否成功。
> db.testdb.find();
{ "_id" : ObjectId("5284e5cb1f4eb215b2...
Remove non-ascii character in string
...
ASCII is in range of 0 to 127, so:
str.replace(/[^\x00-\x7F]/g, "");
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Setting Django up to use MySQL
... 'ENGINE': 'django.db.backends.mysql',
'NAME': 'DB_NAME',
'HOST': '127.0.0.1',
'PORT': '3306',
'USER': 'root',
'PASSWORD': '',
}}
Install the following packages in the virtualenv (if you're using django on virtualenv, which is more preferred):
sudo apt-get install libmysqlclien...
How to create a self-signed certificate with OpenSSL
....5 = localhost
# DNS.6 = localhost.localdomain
# IP.1 = 127.0.0.1
# IP.2 = ::1
It's important to put DNS name in the SAN and not the CN, because both the IETF and the CA/Browser Forums specify the practice. They also specify that DNS names in the CN are deprecated (but no...
How to ssh to vagrant without actually running “vagrant ssh”?
... the actual command executed by Vagrant, something like this:
ssh vagrant@127.0.0.1 -p 2222 -o Compression=yes -o DSAAuthentication=yes -o LogLevel=FATAL -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o IdentitiesOnly=yes -i ~/.vagrant.d/less_insecure_private_key -o ForwardAgent=yes
...