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What is meant by immutable?
...public String getValue()
{
return this.myvar;
}
}
Foo doesn't have to worry that the caller to getValue() might change the text in the string.
If you imagine a similar class to Foo, but with a StringBuilder rather than a String as a member, you can see that a caller to getValue...
Circle line-segment collision detection algorithm?
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Not sure why, but the code doesn't seem to work for the Impale case. It does when I add if t1 <= 0 && t1 >= -1 && t2 <= 0 && t2 >= -1 as true condition, but then it also gives a false positive on one side of the fini...
PHP best way to MD5 multi-dimensional array?
...* Sort an array by keys, and additionall sort its array values by keys
*
* Does not try to sort an object, but does iterate its properties to
* sort arrays in properties
*/
function deep_ksort($input)
{
if ( !is_object($input) && !is_array($input) ) {
return $input;
}
fo...
Spring Boot - parent pom when you already have a parent pom
... replacing the settings in your actual parent.
The 2 main other things it does are
define a load of properties for quickly setting versions of dependencies that you want to override
configure some plugins with default configuration (principally the Spring Boot maven plugin). So those are the thin...
What's the difference between Sender, From and Return-Path?
...nder header is set to mailagent@mywebmail.com, to indicate the From header doesn't indicate who actually submitted the message.
In this case, if the message cannot be sent, it's probably better for the agent to receive the non-delivery report, and so Return-Path would also be set to mailagent@myweb...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
What the title says: what does it mean to encapsulate a variable in {} , "" , or "{} "? I haven't been able to find any explanations online about this - I haven't been able to refer to them except for using the symbols, which doesn't yield anything.
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How do I analyze a program's core dump file with GDB when it has command-line parameters?
...
Just skip the parameters. GDB doesn't need them:
gdb ./exe core.pid
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In git, is there a way to show untracked stashed files without applying the stash?
...use the tree object of the stash commit itself, referred to as stash@{0}:, does not include any changes from the third, "unstaged" parent.
This is due to the way stashes are re-applied: tracked files can be easily applied as patches, whereas untracked files can only be applied, in theory, as "who...
Explaining Python's '__enter__' and '__exit__'
I saw this in someone's code. What does it mean?
6 Answers
6
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What REALLY happens when you don't free after malloc?
...ing system, if someone takes your program (and it still runs on an OS that does not recover memory) runs it then GG.
– user105033
Nov 12 '09 at 19:48
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