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Difference between java.lang.RuntimeException and java.lang.Exception
...why does Oracle documentations says there are three types. It consider the Error as 3rd type. I think, Error is not an Exception at all, its just Throwable (object), yea, it mimic the behaviour of runtime exceptions. What you would say about it? Oracle doc. ref. docs.oracle.com/javase/tutorial/essen...
Check if a program exists from a Makefile
...q directive, rather than to define a new variable, and to use the GNU Make error function to stop the build if a required executable is not in ${PATH}. For example, to test for the lzop executable:
ifeq (, $(shell which lzop))
$(error "No lzop in $(PATH), consider doing apt-get install lzop")
en...
Stack smashing detected
...caused due to a protection mechanism used by gcc to detect buffer overflow errors. For example in the following snippet:
#include <stdio.h>
void func()
{
char array[10];
gets(array);
}
int main(int argc, char **argv)
{
func();
}
The compiler, (in this case gcc) adds protection...
Rails: FATAL - Peer authentication failed for user (PG::Error)
... host: localhost and pool: 5 was missing in my config. After adding them, error disappeared.
– Amit Patel
Aug 30 '12 at 6:49
21
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...ebrew install mysql , but when I tried mysql -u root I got the following error:
27 Answers
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Logging levels - Logback - rule-of-thumb to assign log levels
... production support standpoint; that said, we assign roughly as follows:
error: the system is in distress, customers are probably being affected (or will soon be) and the fix probably requires human intervention. The "2AM rule" applies here- if you're on call, do you want to be woken up at 2AM if...
EXC_BAD_ACCESS signal received
...to the device, the program will quit after a few cycles with the following error:
32 Answers
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
I am using Python-2.6 CGI scripts but found this error in server log while doing json.dumps() ,
15 Answers
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IIS7: HTTP->HTTPS Cleanly
...on't have to remember all the steps you went through with the 403.4 custom error page or other special permissions, it just works.
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="HTTP to HTTPS redirect" stopProcessing="true">
...
Java's final vs. C++'s const
... const;
};
void test(const Foo& i) {
i.foo(); //fine
i.bar(); //error
}
Values can be assigned, once, later in Java only e.g.:
public class Foo {
void bar() {
final int a;
a = 10;
}
}
is legal in Java, but not C++ whereas:
public class Foo {
void bar() {
fi...