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Keep only date part when using pandas.to_datetime
...stored as an array of pointers and is inefficient relative to a pure NumPy-based series.
Since your concern is format when writing to CSV, just use the date_format parameter of to_csv. For example:
df.to_csv(filename, date_format='%Y-%m-%d')
See Python's strftime directives for formatting conven...
How to convert numbers between hexadecimal and decimal
... @ColeJohnson int.Parse doesn't have an option for you to specify the base as an int, just as one of a few valid NumberStyles. For base 16, either is just fine, but as a general solution, it's good to know how both work.
– Tim S.
Oct 21 '13 at 20:44
...
多媒体组件 · App Inventor 2 中文网
... Apple iMovie，可以帮助你减小视频的大小，或将视频重新编码为更紧凑的格式。
你还可以将媒体源设置为指向流式视频的 URL，但该 URL 必须指向视频文件本身，而不是播放视频的程序。
属性
全屏模式
设置视频是否应全屏...
/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
...
Yes, there is. An apt-get based solution to this problem is described here: superuser.com/questions/310809/…
– aroth
Mar 5 '13 at 4:09
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Using curl to upload POST data with files
...eam' . $eol; //Same before row
$BODY.= 'Content-Transfer-Encoding: base64' . $eol . $eol; // we put the last Content and 2 $eol,
$BODY.= chunk_split(base64_encode(file_get_contents($file_url))) . $eol; // we write the Base64 File Content and the $eol to finish the data,
$BODY...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...来说，还可使用Convert和Text类进行不同数据类型以及字符编码之间的相互转换。
{
CString strCString="ABC";
char strchar[256],*pstr;
pstr=(LPSTR)(LPCTSTR)strCString; //CString---->char*
strcpy(strchar,(LPSTR)(LPCTSTR)strCSt...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...if there will be greater demand for this with Google's push toward browser-based apps. I think demand will only grow.
– Courtney Christensen
Jan 31 '11 at 23:54
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How fast is D compared to C++?
...s");
return 0;
}
I compiled each of these tests using an LLVM-based compiler, since LDC seems to be the best option for D compilation in terms of performance. On my x86_64 Arch Linux installation I used the following packages:
clang 3.6.0-3
ldc 1:0.15.1-4
dtools 2.067.0-2
I used the...
How does this giant regex work?
...\x65\x36\x34\x5F\x64\x65\x63\x6F\x64\x65\x28
is acutally:
eval(gzinflate(base64_decode(
This is the code will print out the source code for this backdoor. However i would not execute the resulting PHP code, unless it is on a disposable virtual machine.
<?php
print gzinflate(base64_decode(...
What is the correct way of using C++11's range-based for?
What is the correct way of using C++11's range-based for ?
4 Answers
4
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