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What is the better API to Reading Excel sheets in java - JXL or Apache POI [closed]
...PIs is simpler to read/write/edit excel sheets ?
Do these APIs not support CSV extensions ?
4 Answers
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Import pandas dataframe column as string not int
I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
...
How to split() a delimited string to a List
...
This will read a csv file and it includes a csv line splitter that handles double quotes and it can read even if excel has it open.
public List<Dictionary<string, string>> LoadCsvAsDictionary(string path)
{
var re...
Django - how to create a file and save it to a model's FileField?
...s certainly a good solution, but here is the way I went about generating a CSV and serving it from a view.
Thought it was worth while putting this here as it took me a little bit of fiddling to get all the desirable behaviour (overwrite existing file, storing to the right spot, not creating duplica...
How can I convert comma separated string into a List
...ad of throwing an exception), here's something that uses TryParse:
string csv = "1,2,3,4,a,5";
int mos = 0;
var intList = csv.Split(',')
.Select(m => { int.TryParse(m, out mos); return mos; })
.Where(m => m != 0)
.ToList();
//return...
Convert floats to ints in Pandas?
I've been working with data imported from a CSV. Pandas changed some columns to float, so now the numbers in these columns get displayed as floating points! However, I need them to be displayed as integers, or, without comma. Is there a way to convert them to integers or not display the comma?
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Way to read first few lines for pandas dataframe
Is there a built-in way to use read_csv to read only the first n lines of a file without knowing the length of the lines ahead of time? I have a large file that takes a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the...
.NET4.5新特性 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...配置其实仅仅是一个含有程序启动时所需方法列表的简单文件，所以当程序启动的时候，后台JIT(Backgroud JIT)运行并转译这些方法至机器代码。
特性5：垃圾回收(GC)（后台GC垃圾清理）
*对于.Net程序来说，垃圾回收(GC)的确是一...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...data
<span style="white-space:pre"> </span>)
);
//生成请求的句柄文件
$context = stream_context_create($opts);
$html = file_get_contents('http://localhost/e/admin/test.html', false, $context);
echo $html;
?>
方法4：用fsockopen函数打开url，以get方式获取完整的数据...
App Inventor 2 如何实现网络版注册登陆功能？ - App Inventor 2 中文网 - ...
...件事情。一般用于简单不耗时的任务（如数据存储、拷贝文件、显示图片等本地操作）。
异步：你做了一件事，此时你并不知道成功与否，这时你不用傻傻地等着，可以先做第二件事情，第一件事情做好了会给你发通知，你只...