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Array vs. Object efficiency in JavaScript
..., since behaviourally the array will fill in all indexes in-between:
> foo = [];
[]
> foo[100] = 'a';
"a"
> foo
[undefined, undefined, undefined, ..., "a"]
(Note that the array does not actually contain 99 undefined values, but it will behave this way since you're [supposed to be] ...
Java - No enclosing instance of type Foo is accessible
...ackoverflow.com%2fquestions%2f9560600%2fjava-no-enclosing-instance-of-type-foo-is-accessible%23new-answer', 'question_page');
}
);
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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
...44]:
a b c Value
0 -1.674308 foo 0.343801 0.044698
1 -2.163236 bar -2.046438 -0.116798
2 -0.199115 foo -0.458050 -0.199115
3 0.918646 bar -0.007185 -0.001006
4 1.336830 foo 0.534292 0.268245
5 ...
Windows recursive grep command-line
I need to do a recursive grep in Windows, something like this in Unix/Linux:
8 Answers
...
Difference between assertEquals and assertSame in phpunit?
...nce the same instance.
$expected = new \stdClass();
$expected->foo = 'foo';
$expected->bar = 'bar';
$actual = new \stdClass();
$actual->foo = 'foo';
$actual->bar = 'bar';
$this->assertSame($expected, $actual); FAILS
assertEquals: can assert if 2 separa...
Do you use NULL or 0 (zero) for pointers in C++?
...and 'int' is relatively rare
The example that everybody quotes is:
void foo(int*);
void foo (int);
void bar() {
foo (NULL); // Calls 'foo(int)'
}
However, at least in my opinion, the problem with the above is not that we're using NULL for the null pointer constant, it's that we have overloa...
SVN checkout ignore folder
...urse into those directories. Eg:
$ cd my_checkout && ls
bar/ baz foo xyzzy/
Then to get the contents of 'bar' down:
$ cd bar && svn update --set-depth infinity
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Does name length impact performance in Redis?
...u modify the "GET" test in src/redis-benchmark.c so that they key is just "foo", you can run the short key test after a make install:
diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c
--- a/src/redis-benchmark.c
+++ b/src/redis-benchmark.c
@@ -475,11 +475,11 @@
benchmark("MSET (10...
Select top 10 records for each category
...want to return top 10 records from each section in one query. Can anyone help with how to do it? Section is one of the columns in the table.
...
Global variables in Java
How do you define Global variables in Java ?
23 Answers
23
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