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Reading a UTF8 CSV file with Python
...e much simpler:
import csv
def unicode_csv_reader(utf8_data, dialect=csv.excel, **kwargs):
csv_reader = csv.reader(utf8_data, dialect=dialect, **kwargs)
for row in csv_reader:
yield [unicode(cell, 'utf-8') for cell in row]
filename = 'da.csv'
reader = unicode_csv_reader(open(filen...
MySQL ON vs USING?
...-|---------|
| 1 | Good | 1 |
| 2 | Excellent | 1 |
| 3 | Awesome | 2 |
The JOIN ON clause using a custom projection
Traditionally, when writing an INNER JOIN or LEFT JOIN query, we happen to use the ON clause to define the join con...
Hidden Features of PHP? [closed]
...is quite difficult to do in most other languages.
For example with the MS-Excel Stream handler you can create a MS Excel file in the following way:
$fp = fopen("xlsfile://tmp/test.xls", "wb");
if (!is_resource($fp)) {
die("Cannot open excel file");
}
$data= array(
array("Name" => "Bo...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...的地址可用来指向内存的某个位置，即寻址。3.可以用来读写数据到电脑的周边设备。8086 有8个8位数据寄存器，这些8位寄存器可分别组成16位寄存器：ＡＨ&ＡＬ＝ＡＸ：累加寄存器，常用于运算；ＢＨ&ＢＬ＝ＢＸ：基址寄存器...
A simple explanation of Naive Bayes Classification
...t number, and you are done.
Despite the name, Naive Bayes turns out to be excellent in certain applications. Text classification is one area where it really shines.
Hope that helps in understanding the concepts behind the Naive Bayes algorithm.
...
How to read a CSV file into a .NET Datatable
...
Here's an excellent class that will copy CSV data into a datatable using the structure of the data to create the DataTable:
A portable and efficient generic parser for flat files
It's easy to configure and easy to use. I urge you to...
reading from app.config file
...ion.ConfigurationFile i get C:\\Program Files\\Microsoft Office\\OFFICE11\\exCEL.EXE.config which is not my config file... what should i do
– Sathish
Mar 8 '10 at 8:58
...
What is the difference between sigaction and signal?
...
Excellent sigaction() demo from GCC themselves: gnu.org/software/libc/manual/html_node/…; and excellent signal() demo from GCC themselves: gnu.org/software/libc/manual/html_node/…. Notice that in the signal demo they avoi...
Keep only date part when using pandas.to_datetime
....
pd.to_datetime(df['Date'], utc=False)
You will be able to save it in excel without getting the error "ValueError: Excel does not support datetimes with timezones. Please ensure that datetimes are timezone unaware before writing to Excel."
...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...},
{"xhtml", "application/xhtml+xml"},
{"xls", "application/vnd.ms-excel"},
{"xml", "application/xml"},
{"xpm", "image/x-xpixmap"},
{"xsl", "application/xml"},
{"xlsx","application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"},
{"xltx","a...