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MySQL string replace
...w');
-> 'WwWwWw.mysql.com'
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_replace
Note that it's easier if you make that an alias when using SELECT
SELECT REPLACE(string_column, 'search', 'replace') as url....
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How to find index of all occurrences of element in array?
...
Note that the first example given works great for strings and arrays. The second only works for arrays.
– SethWhite
Apr 3 '18 at 19:17
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What is a word boundary in regex?
...osition between \w and \W (non-word char), or at the beginning or end of a string if it begins or ends (respectively) with a word character ([0-9A-Za-z_]).
So, in the string "-12", it would match before the 1 or after the 2. The dash is not a word character.
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Remove trailing zeros
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Is it not as simple as this, if the input IS a string? You can use one of these:
string.Format("{0:G29}", decimal.Parse("2.0044"))
decimal.Parse("2.0044").ToString("G29")
2.0m.ToString("G29")
This should work for all input.
Update Check out the Standard Numeric Form...
Converting strings to floats in a DataFrame
How to covert a DataFrame column containing strings and NaN values to floats. And there is another column whose values are strings and floats; how to convert this entire column to floats.
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What's the best way to bundle static resources in a Go program? [closed]
...mbedded in the source code itself. Just use the back quotes to declare the string literal like this:
const html = `
<html>
<body>Example embedded HTML content.</body>
</html>
`
// Sending it:
w.Write([]byte(html)) // w is an io.Writer
Optimization tip:
Since most of the...
How to convert an int to a hex string?
...>> chr(65) == '\x41'
True
Note that this is quite different from a string containing an integer as hex. If that is what you want, use the hex builtin.
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How to add a custom Ribbon tab using VBA?
...ow to the new module.
Sub LoadCustRibbon()
Dim hFile As Long
Dim path As String, fileName As String, ribbonXML As String, user As String
hFile = FreeFile
user = Environ("Username")
path = "C:\Users\" & user & "\AppData\Local\Microsoft\Office\"
fileName = "Excel.officeUI"
ribbonXML = "<...
How to open a web page from my application?
...), it is safer to encapsulate it in a function that checks that the passed string is indeed a URI, to avoid accidentally starting random processes on the machine.
public static bool IsValidUri(string uri)
{
if (!Uri.IsWellFormedUriString(uri, UriKind.Absolute))
return false;
Uri t...
How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...