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Applying function with multiple arguments to create a new pandas column
...d yield, as opposed to return, because we are talking about iterators (so, transform the zip result into a list: list(zip(['a','b'],['c','d'],['e','f'])))
– toto_tico
2 days ago
...
If table exists drop table then create it, if it does not exist just create it
... with views using the same approach, in this case CREATE/DROP TABLE merely transforms to CREATE/DROP VIEW while RENAME TABLE remains unchanged. In fact you can even turn table into view and vice versa.
CREATE VIEW `foo__new` as ...; /* if not ok: terminate, report error */
RENAME TABLE `foo__new` t...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 星期一 23:48:18 CST
2.2配置yum 阿里源
1．卸载自带的源
rpm -aq | grep yum | xargs rpm -e --nodeps
安装阿里源
rpm -ivh http://mirrors.aliyun.com/centos/6/os/x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
rpm -ivh http://mirrors.aliyun.com/centos/6/os/x8...
What is the point of the diamond operator () in Java 7?
...] warning:
List<String> list = new LinkedList();
So, the question transforms: why [unchecked] warning is not suppressed automatically only for the case when new collection is created?
I think, it would be much more difficult task then adding <> feature.
UPD: I also think that there...
Convert data.frame column format from character to factor
...
I've doing it with a function. In this case I will only transform character variables to factor:
for (i in 1:ncol(data)){
if(is.character(data[,i])){
data[,i]=factor(data[,i])
}
}
share
...
How do I delete a fixed number of rows with sorting in PostgreSQL?
... sounds like a bug in the query optimiser - it should be able to spot that transformation and do the same thing with the data itself.
– rjmunro
Oct 9 '15 at 11:10
1
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Why the switch statement cannot be applied on strings?
...s in C++? I need to initialize private static objects
It was necessary to transform the lambda context capture [&] into an argument, or that would have been undefined: const static auto lambda used with capture by reference
Example that produces the same output as above:
#include <function...
What does “Content-type: application/json; charset=utf-8” really mean?
... @DanielLuna is right, application/json has to be in one of the ucs transformation formats. Also, since the first four bytes of JSON are limited, you can always tell if it's 8, 16, or 32 and its endian-ness.
– Jason Coco
May 15 '14 at 5:20
...
What is the difference between currying and partial application?
...
Partial application transforms a function from n-ary to (x - n)-ary, currying from n-ary to n * 1-ary. A partially applied function has a reduced scope (of application), that is, Add7 is less expressive than Add. A curried function on the other ...
How can I measure the speed of code written in PHP? [closed]
...ere as Ruxit is built by ex Dynatrace Employees. This allowed Dynatrace to transform to a truly SaaS model for better. Say goodbye to that bulky Java client if you'd like to.
There are free/open-source options now as well. Checkout Apache Skywalking which is very popular in China among their top tec...