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Stack smashing detected
...s protection variables (called canaries) which have known values. An input string of size greater than 10 causes corruption of this variable resulting in SIGABRT to terminate the program.
To get some insight, you can try disabling this protection of gcc using option -fno-stack-protector while co...
Remove all special characters from a string [duplicate]
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This should do what you're looking for:
function clean($string) {
$string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars.
}
Usage:
echo clean('a|"bc!@£de^&$f g');
...
Hiding user input on terminal in Linux script
... read's default delimiter is -d $'\n'. The if-statement to break on a nul string, which happens on a newline, is what allows them to finish the password.
– SiegeX
Nov 30 '10 at 18:25
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Split column at delimiter in data frame [duplicate]
...E)) is 1 -- as the docs say: "...but if there is a match at the end of the string, the output is the same as with the match removed." As @YuShen says, this solution will "recycle". For me, I just wanted empty spaces, not recycling.
– The Red Pea
Oct 26 '15 at 2...
Allowed characters in filename [closed]
...t correct. Linux doesn't allow /. Windows doesn't allow backslash and some strings (e.g. CON).
– kgadek
Mar 23 '17 at 17:42
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How to display count of notifications in app launcher icon [duplicate]
...iz launcher
public static void setBadge(Context context, int count) {
String launcherClassName = getLauncherClassName(context);
if (launcherClassName == null) {
return;
}
Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");
intent.putExtra("badge_count...
Undefined, unspecified and implementation-defined behavior
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p[5] = 'w';
std::cout << p;
}
The variable p points to the string literal "hello!\n", and the two assignments below try to modify that string literal. What does this program do? According to section 2.14.5 paragraph 11 of the C++ standard, it invokes undefined behavior:
The effect o...
Django Server Error: port is already in use
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ps aux | grep -i manage
after that you will see all process
ubuntu@ip-10-154-22-113:~/django-apps/projectname$ ps aux | grep -i manage
ubuntu 3439 0.0 2.3 40228 14064 pts/0 T 06:47 0:00 python manage.py runserver project name
ubuntu 3440 1.4 9.7 200996 59324 pts/0 Tl ...
Can I change the root EBS device of my amazon EC2 instance?
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Thanks, this is great. One gotcha is that the DNS/IP can change when this happens, so make sure to update any DNS / Elastic IPs, et cetera. I spent a while trying to figure out why I couldn't ssh into it anymore, and this was the reason.
– mrooney
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Whitespace Matching Regex - Java
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Yeah, you need to grab the result of matcher.replaceAll():
String result = matcher.replaceAll(" ");
System.out.println(result);
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