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Unicode (UTF-8) reading and writing to files in Python
...at the backslash is escaped by a backslash. So you have four bytes in your string: "\", "x", "c" and "3".
Edit:
As others pointed out in their answers you should just enter the characters in the editor and your editor should then handle the conversion to UTF-8 and save it.
If you actually have a ...
AppSettings get value from .config file
...
This works for me:
string value = System.Configuration.ConfigurationManager.AppSettings[key];
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leading zeros in rails
...untime. Every language has its own way to pad zeros - for Ruby you can use String#rjust. This method pads a string (right-justified) so that it becomes a given length, using a given padding character.
str.rjust(integer, padstr=' ') → new_str
If integer is greater than the length of str, r...
How to export DataTable to Excel
... code, to convert DataTable to excel file as csv:
var lines = new List<string>();
string[] columnNames = dataTable.Columns
.Cast<DataColumn>()
.Select(column => column.ColumnName)
.ToArray();
var header = string.Join(",", columnNames.Select(name => $"\"{name}\""));
l...
Mimicking sets in JavaScript?
I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties:
7 ...
Format string, integer with leading zeros
...
Use the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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Spring MVC: How to perform validation?
...lem/context better.
Let's have a User :
public class User {
private String name;
...
}
Method 1 : If you have Spring 3.x+ and simple validation to do, use javax.validation.constraints annotations (also known as JSR-303 annotations).
public class User {
@NotNull
private Strin...
How can prepared statements protect from SQL injection attacks?
...l commands, it will not be executed. Also, if the id is a number, then the string content will generate a report or value zero.
– Soley
Sep 7 '15 at 11:24
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Group by multiple columns in dplyr, using string vector input
... names, just in a formula instead. The point of the question is how to use strings so as to not have to type asihckhdoydk...
– Gregor Thomas
Jan 28 '15 at 0:18
...
What's the best way to get the current URL in Spring MVC?
...the whole URL with one call. You have to build it manually:
public static String makeUrl(HttpServletRequest request)
{
return request.getRequestURL().toString() + "?" + request.getQueryString();
}
I don't know about a way to do this with any Spring MVC facilities.
If you want to access the c...