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Group query results by month and year in postgresql
...from date) as yyyy,
sum("Sales") as "Sales"
from yourtable
group by 1,2
At the request of Radu, I will explain that query:
to_char(date,'Mon') as mon, : converts the "date" attribute into the defined format of the short form of month.
extract(year from date) as yyyy : Postgresql's "extrac...
Can promises have multiple arguments to onFulfilled?
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131
I'm following the spec here and I'm not sure whether it allows onFulfilled to be called wit...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...况这里http://pkgs.org/centos-6/ghettoforge-testing-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.repo
[base]
name=CentOS-$releasev...
Difference between adjustResize and adjustPan in android?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jul 1 '13 at 17:47
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How to get the position of a character in Python?
...e two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myString.find('s')
2
>>> myString.find('x')
-1
Using index()
>>> myString = 'Position of a...
PostgreSQL - max number of parameters in “IN” clause?
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answered Jun 18 '09 at 0:19
Jordan S. JonesJordan S. Jones
12.6k44 gold badges3939 silver badges4949 bronze badges
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Intellij IDEA. Hide .iml files
I use Intellij IDEA 12 and I want to hide .iml files in Project view. How I can achieve this?
8 Answers
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How to install a specific JDK on Mac OS X?
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16 Answers
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How can I use jQuery in Greasemonkey scripts in Google Chrome?
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11 Answers
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Adding console.log to every function automatically
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edited Jul 15 '13 at 19:54
answered Feb 17 '11 at 21:06
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