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Can pandas automatically recognize dates?
...eparse = lambda x: datetime.strptime(x, '%Y-%m-%d %H:%M:%S')
df = pd.read_csv(infile, parse_dates=['datetime'], date_parser=dateparse)
This way you can even combine multiple columns into a single datetime column, this merges a 'date' and a 'time' column into a single 'datetime' column:
dateparse =...
Converting a generic list to a CSV string
...g what the Framework already does for us.
List<int> myValues;
string csv = String.Join(",", myValues.Select(x => x.ToString()).ToArray());
For the general case:
IEnumerable<T> myList;
string csv = String.Join(",", myList.Select(x => x.ToString()).ToArray());
As you can see, it's ...
Java lib or app to convert CSV to XML file? [closed]
...xisting application or library in Java which will allow me to convert a CSV data file to XML file?
16 Answers
...
Stop Excel from automatically converting certain text values to dates
Does anyone happen to know if there is a token I can add to my csv for a certain field so Excel doesn't try to convert it to a date?
...
How to read data when some numbers contain commas as thousand separator?
I have a csv file where some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
...
How to read a text file into a list or an array with Python
...ould be so much traction to this. Here's a more idiomatic approach.
import csv
with open('filename.csv', 'r') as fd:
reader = csv.reader(fd)
for row in reader:
# do something
share
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...
What is the list of supported languages/locales on Android?
... (Myanmar (Burma))]
naq_ [Nama]
naq_NA [Nama (Namibia)]
nb_ [Norwegian Bokmål]
nb_NO [Norwegian Bokmål (Norway)]
nb_SJ [Norwegian Bokmål (Svalbard and Jan Mayen)]
nd_ [North Ndebele]
nd_ZW [North Ndebele (Zimbabwe)]
ne_ [Nepali]
ne_IN [Nepali (India)]
ne_NP [Nepali (Nepal)]
nl_ [Dutch]
nl_AW [Dut...
What is the difference between encode/decode?
... encoding. Use u'...'.encode(encoding).
Example:
>>> u'æøå'.encode('utf8')
'\xc3\x83\xc2\xa6\xc3\x83\xc2\xb8\xc3\x83\xc2\xa5'
>>> u'æøå'.encode('latin1')
'\xc3\xa6\xc3\xb8\xc3\xa5'
>>> u'æøå'.encode('ascii')
UnicodeEncodeError: 'ascii' c...
C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...注释，详细描述了 C++ 里几种主流的安全内存回收方法，列表如下：优点缺点场景Locking易用读高开销
1. Safe Reclamation Methods
Folly 的 Hazard Pointer 实现中有一段注释，详细描述了 C++ 里几种主流的安全内存回收方法，列表如下：...
PHPCMS判断首页列表页内页分类 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHPCMS判断首页列表页内页分类有一些有意思的PHPCMS页面判断，比如通过 {$catid} 就可以调出栏目ID，但我们在制作PHPCMS模板时，经常会遇到否栏目，比如首页，就可以这...有一些有意思的PHPCMS页面判断，比如通过 {$catid} 就可以调...