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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...ion;condition;update){
But what about:
var myarray = [];
myarray[100] = "foo";
myarray.push("bar");
Try this:
var myarray = [], i;
myarray[100] = "foo";
myarray.push("bar");
myarray[150] = "baz";
myarray.push("qux");
alert(myarray.length);
for(i in myarray){
if(myarray.hasOwnProperty(i)){ ...
Size of character ('a') in C/C++
...s in C++ required to support function overloading. See this example:
void foo(char c)
{
puts("char");
}
void foo(int i)
{
puts("int");
}
int main()
{
foo('i');
return 0;
}
Output:
char
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...
vs in Generics
... for example, works the opposite way. You can use a concrete IComparer<Foo> directly as an IComparer<Bar> if Bar is a subclass of Foo, because the IComparer<in T> interface is contravariant.
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...
jQuery - hashchange event
...click event of the hash-changing links.
<a class='hash-changer' href='#foo'>Foo</a>
<script type='text/javascript'>
if (("onhashchange" in window) && !($.browser.msie)) {
//modern browsers
$(window).bind('hashchange', function() {
var hash = window.loc...
How to use XPath contains() here?
...r>
<ul id="one">
<li>Model A</li>
<li>Foo</li>
</ul>
<ul id="two">
<li>Foo</li>
<li>Model A</li>
</ul>
</r>
XPaths
//ul[contains(li, 'Model')] selects the one ul element.
Note: The two ul e...
How to remove a field from params[:something]
...do a memo:
def parameters
@parameters ||= params.require(:root).permit(:foo, :bar)
end
Now you can do:
parameteres.delete(:bar)
parameters
=> <ActionController::Parameters {"foo" => "foo"} permitted: true>
...
c#: getter/setter
...
So in that case this.Type = "foo"; should be OK, but from outside instance.Type = "foo"; will not.. These auto props are definitely a helpful addition to the language. Thanks.
– mikey
Jul 15 '11 at 15:12
...
Laravel 4 Eloquent Query Using WHERE with OR AND OR?
...
Simply Use in Laravel Eloquent:
$a='foo', $b='bar', $c='john', $d='doe';
Coder::where(function ($query) use ($a, $b) {
$query->where('a', '=', $a)
->orWhere('b', '=', $b);
})->where(function ($query) use ($c, $d) {
$query->where('...
What is the best project structure for a Python application? [closed]
...-level directory can be the top-level architecture of your application.
/foo
/bar
/baz
I recommend putting all of this under the "name-of-my-product" directory. So, if you're writing an application named quux, the directory that contains all this stuff is named /quux.
Another project's PYTHON...
When is it right for a constructor to throw an exception?
...
@Patrick: Not sure what you mean - if you do 'new Foo' and Foo's constructor throws, the language WILL reclaim the memory. If you allocate memory in a constructor and provide no means for releasing it other than the destructor, then the language won't reclaim it if you throw...