大约有 16,000 项符合查询结果（耗时：0.0281秒） [XML]
Convert float to double without losing precision
...e exactly 0.100000234523. d will have exactly the same value, but when you convert it to a string it will "trust" that it's accurate to a higher precision, so won't round off as early, and you'll see the "extra digits" which were already there, but hidden from you.
When you convert to a string and ...
Convert a row of a data frame to vector
... you extract a single row from a data frame you get a one-row data frame. Convert it to a numeric vector:
as.numeric(df[1,])
As @Roland suggests, unlist(df[1,]) will convert the one-row data frame to a numeric vector without dropping the names. Therefore unname(unlist(df[1,])) is another, sl...
How do you kill all current connections to a SQL Server 2005 database?
...nnot be killed'
RETURN
END
SELECT @spidstr=coalesce(@spidstr,',' )+'kill '+convert(varchar, spid)+ '; '
FROM master..sysprocesses WHERE dbid=db_id(@DBName)
IF LEN(@spidstr) > 0
BEGIN
EXEC(@spidstr)
SELECT @ConnKilled = COUNT(1)
FROM master..sysprocesses WHERE dbid=db_id(@DBName)
END
...
Convert HTML to PDF in .NET
...PdfSharp nuget package.
Use Example Method.
public static Byte[] PdfSharpConvert(String html)
{
Byte[] res = null;
using (MemoryStream ms = new MemoryStream())
{
var pdf = TheArtOfDev.HtmlRenderer.PdfSharp.PdfGenerator.GeneratePdf(html, PdfSharp.PageSize.A4);
pdf.Save(m...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
I want to convert an integer into its character equivalent based on the alphabet. For example:
12 Answers
...
What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...e pretty much says it all. What's the simplest/most elegant way that I can convert, in Java, a string from the format "THIS_IS_AN_EXAMPLE_STRING" to the format " ThisIsAnExampleString "? I figure there must be at least one way to do it using String.replaceAll() and a regex.
...
Convert a list to a string in C#
How do I convert a list to a string in C#?
13 Answers
13
...
Getting the index of the returned max or min item using max()/min() on a list
...
I think the best thing to do is convert the list to a numpy array and use this function :
a = np.array(list)
idx = np.argmax(a)
share
|
improve this ans...
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
...
A bash script using ImageMagick (convert) as per CommonsWare's answer:
Added folder creation and argument check thanks to Kishan Vaghela
#!/bin/sh
#---------------------------------------------------------------
# Given an xxhdpi image or an App Icon (laun...
Convert blob to base64
...8 string causes problems (unfortunately Response API doesn't provide a way converting to binary string), so array buffer is use as intermediate instead, which requires two more steps (converting it to byte array THEN to binary string), if you insist on using native btoa method.
...