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How to print a debug log?
... there is a stream for that, so file_put_contents('php://stderr', print_r($foo, TRUE)) will nicely dump the value of $foo into the Apache error log.
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What exactly does git's “rebase --preserve-merges” do (and why?)
...commit d1e8b01, commit 4c68e7d, commit 9055e40, commit cb5206e, commit a01c2a5, commit 2f6b1d1, commit bf5c057 (25 Apr 2018) by Johannes Schindelin (dscho).
See commit f431d73 (25 Apr 2018) by Stefan Beller (stefanbeller).
See commit 2429335 (25 Apr 2018) by Phillip Wood (phillipwood).
(Merged by Ju...
Detail change after Git pull
... a --- as divider between local and remote to make it more clear)
*master
foo
bar
baz
---
origin/HEAD -> origin/master
origin/deploy
origin/foo
origin/master
origin/bar
remote2/foo
remote2/baz
When you then take a look at one remote repo, you will see what you are referring to:
git remote show ...
XDocument or XmlDocument
...rs and others
For instance, given the Xml document:
<xml>
<foo>
<baz id="1">10</baz>
<bar id="2" special="1">baa baa</bar>
<baz id="3">20</baz>
<bar id="4" />
<bar id="5" />
</foo>
...
What is Angular.noop used for?
...as a placeholder when you need to pass some function as a param.
function foo (callback) {
// Do a lot of complex things
callback();
}
// Those two have the same effect, but the later is more elegant
foo(function() {});
foo(angular.noop);
...
Rails layouts per action?
...u can specify the layout for an individual action using respond_to:
def foo
@model = Bar.first
respond_to do |format|
format.html {render :layout => 'application'}
end
end
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Difference between passing array and array pointer into function in C
... undefined.
Given the following code:
int main(void)
{
int arr[10];
foo(arr);
...
}
In the call to foo, the array expression arr isn't an operand of either sizeof or &, so its type is implicitly converted from "10-element array of int" to "pointer to int" according to 6.2.3.1/3. Thus,...
Difference between 'new operator' and 'operator new'?
...
"operator new"
class Foo
{
public:
void* operator new( size_t );
}
"new operator":
Foo* foo = new Foo();
In this example, new Foo() calls Foo::operator new()
In other words, "new operator" calls "operator new()" just like the + oper...
Any way to declare a size/partial border to a box?
...
h1 {
border-bottom: 1px solid #f00;
display: table;
}
<h1>Foo is not equal to bar</h1>
Centering, display:table makes it impossible to center the element with text-align:center.
Let's work around with margin:auto...
h1 {
border-bottom: 1px solid #f00;
display...
Count the number of occurrences of a character in a string in Javascript
...e results. The specifics of the results will be given later.
1.
("this is foo bar".match(/o/g)||[]).length
//>2
2.
"this is foo bar".split("o").length-1
//>2
split not recommended. Resource hungry. Allocates new instances of 'Array' for each match. Don't try that for a >100MB file via ...