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Using the “final” modifier whenever applicable in Java [closed]
...oo.txt");
else
System.out.println("test failed");
in.read(); // Compiler error because variable 'in' might be unassigned
By preventing a variable from being assigned more than once, you discourage overbroad scoping. Instead of this:
String msg = null;
for(int i = 0; i < 10; i++) {
msg...
Git fetch remote branch
...hed, so when I tried to follow the steps in the accepted answer, I got the error that pathspec did not match any file(s) known to git., but the rbranch:lbranch approach worked. Interestingly, it also fetched all the tags that started with the same prefix, like it is a wildcard (rbranch*).
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How do I call ::std::make_shared on a class with only protected or private constructors?
...t; bar()
{
return A::create("George", 5);
}
::std::shared_ptr<A> errors()
{
::std::shared_ptr<A> retval;
// Each of these assignments to retval properly generates errors.
retval = A::create("George");
retval = new A(A::this_is_private{0});
return ::std::move(retval);
...
How do you get current active/default Environment profile programmatically in Spring?
...
This line gives this error: Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'spring.profiles.active' in value "${spring.profiles.active}"
– zygimantus
Jan 4 '18 at 9:07
...
Big-oh vs big-theta [duplicate]
... "O when they should have said Ω" - whoa! That's a serious error! Are you sure lots of people actually do this? (disclosure: I have done it on stackoverflow by mistake).
– polygenelubricants
Jul 12 '10 at 17:11
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Which one will execute faster, if (flag==0) or if (0==flag)?
...e
{
// code never executes
}
if (0 = flag) // typo and syntactic error -> compiler complains
{
// ...
}
While it's true, that e.g. a C-compiler does warn in case of the former (flag = 0), there are no such warnings in PHP, Perl or Javascript or <insert language here>.
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How do I include related model fields using Django Rest Framework?
...m (which this example does not show). In the second solution I received an error - "'Classroom' object has no attribute 'teachers'" . Am I missing something?
– Chaz
Jan 29 '13 at 13:12
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Eclipse HotKey: how to switch between tabs?
...'t take me to the far left one... Also, I'm getting really annoying "false errors" (errors are displayed but everything compiles perfectly) since the update. Hope you don't get that too!
– Arthur
Mar 11 '12 at 20:51
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How to change variables value while debugging with LLDB in Xcode?
...sulting from the
expression.
-u <boolean> ( --unwind-on-error <boolean> )
Clean up program state if the expression causes a crash, breakpoint
hit or signal.
Examples:
expr my_struct->a = my_array[3]
expr -f bin -- (index * 8) + 5
expr ...
LEFT OUTER JOIN in LINQ
...
I'm trying the same thing but getting an error on the join operator, which says "The type of one of the expressions in the join clause is incorrect."
– Badhon Jain
Jan 8 '14 at 8:52
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