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What do people find difficult about C pointers? [closed]
...array of those things, well why not just pass a pointer to that too.
void foo(****ipppArr);
to call this, I need the address of the array of pointers to pointers to pointers of ints:
foo(&(***ipppArr));
In six months, when I have to maintain this code, I will spend more time trying to figu...
In a URL, should spaces be encoded using %20 or +? [duplicate]
... theory I think you should have %20 before the ? and + after:
example.com/foo%20bar?foo+bar
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How can I make my own event in C#?
...event and a field to keep track of subscribers:
public event EventHandler Foo;
If you need more complicated subscription/unsubscription logic, you can do that explicitly:
public event EventHandler Foo
{
add
{
// Subscription logic here
}
remove
{
// Unsubscrip...
What is object slicing?
...nformation - some of it is "sliced" away.
For example,
class A {
int foo;
};
class B : public A {
int bar;
};
So an object of type B has two data members, foo and bar.
Then if you were to write this:
B b;
A a = b;
Then the information in b about member bar is lost in a.
...
Execute raw SQL using Doctrine 2
...ion();
Create your query and fetchAll:
$result= $conn->query('select foobar from mytable')->fetchAll();
Get the data out of result like this:
$this->appendStringToFile("first row foobar is: " . $result[0]['foobar']);
...
How do I get the n-th level parent of an element in jQuery?
...ermost element with 'container' class among parents
('#element').closest('#foo') // returns the closest parent with id 'foo'
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How to access java-classes in the default-package?
...ions API you can access any class so far. At least I was able to :)
Class fooClass = Class.forName("FooBar");
Method fooMethod = fooClass.getMethod("fooMethod", String.class);
String fooReturned = (String)fooMethod.invoke(fooClass.newInstance(), "I did it");
...
Is the 'override' keyword just a check for a overridden virtual method?
...an otherwise silent error can be diagnosed:
struct Base
{
virtual int foo() const;
};
struct Derived : Base
{
virtual int foo() // whoops!
{
// ...
}
};
The above code compiles, but is not what you may have meant (note the missing const). If you said instead, virtual int...
Where is Xcode's build folder?
...sly created in Xcode3, I see an intermediate directory under build/ called Foo.build where Foo is my project's name, and then in that are the directories you'd expect (Debug-iphonesimulator, Release-iphoneos, etc, assuming you've done a build of that type) containing the object files and products.
...
How to read lines of a file in Ruby
...
Ruby does have a method for this:
File.readlines('foo').each do |line|
http://ruby-doc.org/core-1.9.3/IO.html#method-c-readlines
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