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Naming returned columns in Pandas aggregate function? [duplicate]
...this kind of dataframe, there are two levels of thecolumn name:
shop_id item_id date_block_num item_cnt_day
target
0 0 30 1 31
we can use this code：
df.columns = [col[0] if col[-1]=='' else co...
“fatal: Not a git repository (or any of the parent directories)” from git status
...52), done.
$ git status
fatal: Not a git repository (or any of the parent directories): .git
$ cd liggghts/
$ git status
# On branch master
nothing to commit (working directory clean)
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Git ignore sub folders
...on 1.8.2 of git, you can also use the ** wildcard to match any level of subdirectories:
**/bin/Debug/
**/bin/Release/
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How to get current relative directory of your Makefile?
I have a several Makefiles in app specific directories like this:
12 Answers
12
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How do I spool to a CSV formatted file using SQLPLUS?
I want to extract some queries to a CSV output format. Unfortunately, I can't use any fancy SQL client or any language to do it. I must use SQLPLUS.
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Vim and Ctags tips and tricks [closed]
...aren't always in my home directory... and being that $HOME tends to be two directories away from root... well, I can afford two more directory lookups. :)
– uzi
May 13 '09 at 19:50
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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
不同品牌的防火墙组成高可靠性集群拓扑如下主机A ，B有两个可用路由要实现主备切换，当主防火墙出现问题的时候，可以自动切换到备防火墙上。第一台设备 ASG 425 支持OSPF...拓扑如下
主机A ，B有两个可用路由要实现主备切...
How to stop and restart memcached server?
How to stop and restart memcached server 1.4.5 in linux OS from command line?
12 Answers
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Get the new record primary key ID from MySQL insert query?
...doing a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key .
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How to start nginx via different port(other than 80)
Hi I am a newbie on nginx, I tried to set it up on my server(running Ubuntu 4), which already has apache running.
5 Answer...