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Why use double indirection? or Why use pointers to pointers?
...t of bio-libraries (a ??lol), you can use char ******lol
... ...
yes, I know these might not be the best data structures
Usage example with a very very very boring lol
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int wordsinsentence(char **x) {
int w = 0;
...
Why does Oracle 9i treat an empty string as NULL?
...'t do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information.
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window.location.reload with clear cache [duplicate]
...o your head:
<meta http-equiv="Cache-control" content="no-cache">
If you want to remove the document from cache, expires meta tag should work to delete it by setting its content attribute to -1 like so:
<meta http-equiv="Expires" content="-1">
http://www.metatags.org/meta_http_equi...
What is the difference between a.getClass() and A.class in Java?
...that there would be performance or other subtle benefits to using both in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() .
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Creating and Update Laravel Eloquent
What's the shorthand for inserting a new record or updating if it exists?
13 Answers
1...
Can I bind an array to an IN() condition?
I'm curious to know if it's possible to bind an array of values to a placeholder using PDO. The use case here is attempting to pass an array of values for use with an IN() condition.
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How to print number with commas as thousands separators?
...ython ≥2.7
f'{value:n}' # For Python ≥3.6
Reference
Per Format Specification Mini-Language,
The ',' option signals the use of a comma for a thousands separator. For a locale aware separator, use the 'n' integer presentation type instead.
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Moment js date time comparison
... read most of their docs, but didn't find the function to achieve this. I know it will be there.
8 Answers
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LINQ .Any VS .Exists - What's the difference?
... {
var s = string.Empty;
var start2 = DateTime.Now;
if (!list1.Exists(o => o == "0123456789012"))
{
var end2 = DateTime.Now;
s += " Exists: " + end2.Subtract(start2);
}
var start1 = DateTi...
How to upload a project to Github
... will say "Initialized empty git repository in ....git" (... is the path).
Now you need to tell git about your files by adding them to your repository. Do this with git add filename. If you want to add all your files, you can do git add .
Now that you have added your files and made your changes, you...