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getenv() vs. $_ENV in PHP
...case-insensitive manner. Most of the time it probably doesn't matter, but one of the comments on the documentation explains:
For example on Windows $_SERVER['Path'] is like you see, with the first letter capitalized, not 'PATH' as you might expect.
Because of that, I would probably opt to us...
How do I update zsh to the latest version?
...ot three options to install zsh on Mac OS X:
Pre-built binary. The only one I know of is the one that ships with OS X; this is probably what you're running now.
Use a package system (Ports, Homebrew).
Install from source. Last time I did this it wasn't too difficult (./configure, make, make ins...
How to make git-diff and git log ignore new and deleted files?
...
Is there a way to actually exclude just one type of data? Something like --diff-filter=!D
– Kamil Dziedzic
Aug 29 '14 at 8:44
25
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
...hout loops or conditionals :
But I don't understand how it works. Can anyone go through the code and explain each line?
2...
LINQ Using Max() to select a single row
...
More one example:
Follow:
qryAux = (from q in qryAux where
q.OrdSeq == (from pp in Sessao.Query<NameTable>() where pp.FieldPk
== q.FieldPk select pp.OrdSeq).Max() select q);
Equals:
select t.*...
Maximum call stack size exceeded error
... should use bitwise operators so you can unroll the 9 levels of loops into one level of loops.
– Jack Giffin
Mar 29 '17 at 22:54
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How do I add a Fragment to an Activity with a programmatically created content view
...
It turns out there's more than one problem with that code. A fragment cannot be declared that way, inside the same java file as the activity but not as a public inner class. The framework expects the fragment's constructor (with no parameters) to be public...
Will using goto leak variables?
...++'s built-in scoping mechanisms. (If anything, it's longjmp that may be prone to this.)
Consider the following mechanics that prevent you from doing "bad things" with labels (which includes case labels).
1. Label scope
You can't jump across functions:
void f() {
int x = 0;
goto lol;
}
...
What's the difference between git reset --mixed, --soft, and --hard?
...th the reflog; uncommitted changes that are removed with reset --hard are gone forever.
– mkarasek
Apr 14 '14 at 16:36
2
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Use of class definitions inside a method in Java
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This is called a local class.
2 is the easy one: yes, a class file will be generated.
1 and 3 are kind of the same question. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method.
A typica...