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How to create a memory leak in Java?
... the classes it has loaded. It was even worse in many JVM implementations, especially prior to Java 7, because classes and ClassLoaders were allocated straight into permgen and were never garbage-collected at all.)
A variation on this pattern is why application containers (like Tomcat) can leak mem...
How do you automatically set the focus to a textbox when a web page loads?
... answered Sep 5 '08 at 13:35
EspoEspo
38.8k2020 gold badges126126 silver badges156156 bronze badges
...
Which is faster : if (bool) or if(int)?
...ng with -03 gives the following for me:
f:
pushl %ebp
movl %esp, %ebp
cmpl $1, 8(%ebp)
popl %ebp
sbbl %eax, %eax
andb $58, %al
addl $99, %eax
ret
g:
pushl %ebp
movl %esp, %ebp
cmpb $1, 8(%ebp)
popl %ebp
sbbl ...
Sort an array in Java
...
Loops are also very useful to learn about, esp When using arrays,
int[] array = new int[10];
Random rand = new Random();
for (int i = 0; i < array.length; i++)
array[i] = rand.nextInt(100) + 1;
Arrays.sort(array);
System.out.println(Arrays.toString(array));
//...
How to write log to file
... wont be a good practice when you want to daemonize things, esp with start-tsop-daemon
– Shrey
Sep 14 '16 at 9:03
3
...
How do I extract the contents of an rpm?
... try the rpm2cpio commmand? See the example below:
$ rpm2cpio php-5.1.4-1.esp1.x86_64.rpm | cpio -idmv
/etc/httpd/conf.d/php.conf
./etc/php.d
./etc/php.ini
./usr/bin/php
./usr/bin/php-cgi
etc
share
|
...
Advantage of switch over if-else statement
...l probably outperform a compiler-generated jump table implementing switch, esp. in the not-special case where this will be a single not-taken branch.
– Peter Cordes
Sep 1 '15 at 22:45
...
In C, do braces act as a stack frame?
...Edit: Kristopher Johnson (and simon and Daniel) are right, and my initial response was wrong. With gcc 4.3.4.on CYGWIN, the code:
void foo(int[]);
void bar(void);
void foobar(int);
void foobar(int flag) {
if (flag) {
int big[100000000];
foo(big);
}
bar();
}
gives:
...
Can my enums have friendly names? [duplicate]
...
So annoying when posts don't include the non-default namespaces that they reference... System.ComponentModel and System.Reflection
– musefan
Jan 24 '12 at 10:24
...
MongoDB logging all queries
...
this is the most complete response to the OP. esp. regarding the 'tail-able' requirement.
– Luke W
Dec 1 '16 at 15:12
add a com...