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Python group by
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Python's built-in itertools module actually has a groupby function , but for that the elements to be grouped must first be sorted such that the elements to be grouped are contiguous in the list:
from operator import itemgetter
sortkeyfn = itemgetter(1)
input = [(...
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
The firewall I'm behind is running Microsoft ISA server in NTLM-only mode. Hash anyone have success getting their Ruby gems to install/update via Ruby SSPI gem or other method?
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Gson: Directly convert String to JsonObject (no POJO)
... answered Dec 24 '10 at 15:27
Dallan QuassDallan Quass
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How do you test running time of VBA code?
...Counter. Google it for more info. Try pushing the following into a class, call it CTimer say, then you can make an instance somewhere global and just call .StartCounter and .TimeElapsed
Option Explicit
Private Type LARGE_INTEGER
lowpart As Long
highpart As Long
End Type
Private Declare Fu...
What are CN, OU, DC in an LDAP search?
...N = Common Name
OU = Organizational Unit
DC = Domain Component
These are all parts of the X.500 Directory Specification, which defines nodes in a LDAP directory.
You can also read up on LDAP data Interchange Format (LDIF), which is an alternate format.
You read it from right to left, the right-m...
Printing all global variables/local variables?
How can I print all global variables/local variables? Is that possible in gdb?
3 Answers
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django: BooleanField, how to set the default value to true?
...not default
– user
Aug 18 '14 at 13:16
7
in this answer, the answerer is using a model field, not...
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
... (Internal Port)_22 (Protocal)_Both (To IP Address)_192.168.1.### (Enabled)_checkBox
Port forwarding settings can be different for different routers though, so look up directions for your router.
Now, when I am outside of my home network I connect to my pi by typing:
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How to create a GUID/UUID using iOS
... UUID] UUIDString];
– Adeel
Aug 31 '16 at 9:11
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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...web访问接口，通过 IP + 端口的形式可以访问。
http://192.168.0.1:28017/
二、主从模式。使用mysql数据库时大家广泛用到，采用双机备份后主节点挂掉了后从节点可以接替主机继续服务。所以这种模式比单节点的高可用性要好很多。...