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How to TryParse for Enum value?
I want to write a function which can validate a given value (passed as a string) against possible values of an enum . In the case of a match, it should return the enum instance; otherwise, it should return a default value.
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What is a “callback” in C and how are they implemented?
...dlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "../../common_typedef.h"
typedef void (*call_back) (S32, S32);
void test_call_back(S32 a, S32 b)
{
printf("In call back function, a:%d \t b:%d \n", a, b);
}
void call_callback_func(call_back back)...
Formatting floats without trailing zeros
...at it doesn't contain trailing zeros? In other words, I want the resulting string to be as short as possible.
18 Answers
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Blank HTML SELECT without blank item in dropdown list
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Just use disabled and/or hidden attributes:
<option selected disabled hidden style='display: none' value=''></option>
selected makes this option the default one.
disabled makes this option unclickable.
style='display: none' mak...
The calling thread must be STA, because many UI components require this
...can hack away at WPF's window stupidity with this.
– Andrew
May 14 '16 at 5:17
7
And similar to t...
How to add anything in through jquery/javascript?
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You can use innerHTML to just concat the extra field string;
document.head.innerHTML = document.head.innerHTML + '<link rel="stylesheet>...'
However, you can't guarantee that the extra things you add to the head will be recognised by the browser after the first load, a...
Generic htaccess redirect www to non-www
...NE,L]
Note that I used NE flag to prevent apache from escaping the query string. Without this flag, apache will change the requested URL http://www.example.com/?foo%20bar to http://www.example.com/?foo%2250bar
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PHP function to make slug (URL string)
I want to have a function to create slugs from Unicode strings, e.g. gen_slug('Andrés Cortez') should return andres-cortez . How should I do that?
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Replace a newline in TSQL
I would like to replace (or remove) a newline character in a TSQL-string.
Any Ideas?
12 Answers
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WCF ServiceHost access rights
...URL is being blocked from being created by Windows.
Steps to fix:
Run command prompt as an administrator.
Add the URL to the ACL
netsh http add urlacl url=http://+:8000/ServiceModelSamples/Service user=mylocaluser
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