大约有 2,400 项符合查询结果（耗时：0.0197秒） [XML]
【解决】jekyll 3.8.5 | Error: invalid byte sequence in UTF-8 - Python...
原因很简单，就是某个文件中混入了非UTF8字符，请仔细检查一定能发现的，可以采用排除法，文件逐个放入测试，就能找到具体的错误格式的文件。当然，也可能是文件名中含有非预期字符导致的报错！
非常感谢你的帮助！ ...
Best TCP port number range for internal applications [closed]
...n order of most ports available, descending. This did not work, since the csv file has ranges marked as "Unassigned" that overlap other port number reservations. I manually expanded the ranges of assigned port numbers, leaving me with a list of all assigned port numbers. I then sorted that list a...
C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...k add 指令相比也不遑多让。在读多写少的前提下，可以将读写两边的屏障替换为非对称内存屏障，将读部分的开销转移到写部分中。可参考先前内存屏障博文中的介绍。
另一方面，Hazard Pointer 的高性能依赖于平台上线程本地存...
What's the fastest way to do a bulk insert into Postgres?
... bad worked it's class :( I Try npgsql CopyIn class, because it's like as CSV formatted mapping in PG query statement's. You can try for Big Table?
– Elyor
Sep 9 '14 at 2:03
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...事情还没完呢。下一步，在项目上点右键，创建产品配置文件：
输入产品配置文件名：
生成的产品配置文件在编辑器中打开，应该是这个样子的：
刚开始，上面的几个文本框都是空的，点新建按钮之...
Download data url file
...link.download = thefilename;
// Construct the uri
var uri = 'data:text/csv;charset=utf-8;base64,' + someb64data
link.href = uri;
document.body.appendChild(link);
link.click();
// Cleanup the DOM
document.body.removeChild(link);
...
How do I replace NA values with zeros in an R dataframe?
...f we are trying to replace NAs when exporting, for example when writing to csv, then we can use:
write.csv(data, "data.csv", na = "0")
s
How do I get a list of all the duplicate items using pandas in python?
...in duplicated:
>>> import pandas as pd
>>> df = pd.read_csv("dup.csv")
>>> ids = df["ID"]
>>> df[ids.isin(ids[ids.duplicated()])].sort("ID")
ID ENROLLMENT_DATE TRAINER_MANAGING TRAINER_OPERATOR FIRST_VISIT_DATE
24 11795 27-Feb-12 ...
How to get current working directory in Java?
...
}
Update as per the comment of the OP:
I want to dump a bunch of CSV files in a folder, have the program recognize all the files, then load the data and manipulate them. I really just want to know how to navigate to that folder.
That would require hardcoding/knowing their relative path i...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...语句提供了一种非常方便的处理方式。一个很好的例子是文件处理，你需要获取一个文件句柄，从文件中读取数据，然后关闭文件句柄。 Without the with statement, one would write something along the lines of: 如果不用with语句，代码如下：
f...