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Finding current executable's path without /proc/self/exe
...ues and presents code which actually works along with validation against a test suite.
The best way to find your program is to retrace the same steps the system uses. This is done by using argv[0] resolved against file system root, pwd, path environment and considering symlinks, and pathname canoni...
All falsey values in JavaScript
..., but also == false.
You might think if (value && value == false) alert('Huh?') is a logical impossibility that couldn't happen, but it will, for:
"0" and '0' - they're non-empty strings, which are truthy, but Javascript's == matches numbers with equivalent strings (e.g. 42 == "42"). Sinc...
submit a form in a new tab
I'd like (just to test some functions, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible?
...
How can I cast int to enum?
.... If you ask how to get to that level, I'd suggest building a ton of small test cases, making them tougher as you go, try to predict the outcome every time, and test them afterwards (incl. decompilation, etc). After figuring out all the details and all the characteristics, you can check if you got i...
Access data in package subdirectory
... How will this work for using the package when it isn't installed? Just testing locally I mean
– Claudiu
Nov 28 '17 at 19:22
11
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Why are iframes considered dangerous and a security risk?
...in box instead of an ad)
An included iframe can make certain JS calls like alert and prompt which could annoy your user
An included iframe can redirect via location.href (yikes, imagine a 3p frame redirecting the customer from bankofamerica.com to bankofamerica.fake.com)
Malware inside the 3p frame ...
snprintf and Visual Studio 2010
...;
}
}
}
else { *strp = 0; }
return(r);
}
Usage (part of test.c provided by Insane Coding):
#include <stdio.h>
#include <stdlib.h>
#include "asprintf.h"
int main()
{
char *s;
if (asprintf(&s, "Hello, %d in hex padded to 8 digits is: %08x\n", 15, 15) != -1)
...
Get element inside element by class and ID - JavaScript
...dNodes.length; i ++) {
childNode = fooDiv.childNodes[i];
if (/bar/.test(childNode.className)) {
childNode.innerHTML = "Goodbye world!";
}
}
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...
Passing a dictionary to a function as keyword parameters
... might be helpful to know (questions I had after reading this and went and tested):
The function can have parameters that are not included in the dictionary
You can not override a parameter that is already in the dictionary
The dictionary can not have parameters that aren't in the function.
Exam...
Is there any particular difference between intval and casting to int - `(int) X`?
...ted in the comments on the PHP doc page and shamelessly reiterated here:
$test_int = 12;
$test_string = "12";
$test_float = 12.8;
echo (int) $test_int; // 12
echo (int) $test_string; // 12
echo (int) $test_float; // 12
echo intval($test_int, 8); // 12 <-- WOAH!
echo i...