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Pointer expressions: *ptr++, *++ptr and ++*ptr
...ting not to the entire string, but only to the first character, 'H'. After all, p is a pointer to one char, not to the entire string. The value of p is the address of the 'H' in "Hello".
Then you set up a loop:
while (*p++)
What does the loop condition *p++ mean? Three things are at work here t...
Change the mouse cursor on mouse over to anchor-like style
... $(document).ready() or body onload: (replace myClass with whatever class all of your divs share)
$('.myClass').css('cursor', 'pointer');
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Does it make sense to use Require.js with Angular.js? [closed]
...
To restate what I think the OP's question really is:
If I'm building an application principally in Angular 1.x, and (implicitly) doing so in the era of Grunt/Gulp/Broccoli and Bower/NPM, and I maybe have a couple additional library dependencies, does Require add cl...
Avoiding instanceof in Java
...is entry from Steve Yegge's Amazon blog: "when polymorphism fails". Essentially he's addressing cases like this, when polymorphism causes more trouble than it solves.
The issue is that to use polymorphism you have to make the logic of "handle" part of each 'switching' class - i.e. Integer etc. in ...
What is the use of interface constants?
...attern is a poor use of interfaces. That a class uses some constants internally is an implementation detail. Implementing a constant interface causes this implementation detail to leak into the class's exported API. It is of no consequence to the users of a class that the class implements a constant...
Django - limiting query results
...s are lazy. That means a query will hit the database only when you specifically ask for the result.
So until you print or actually use the result of a query you can filter further with no database access.
As you can see below your code only executes one sql query to fetch only the last 10 items.
...
Set cursor position on contentEditable
... range.collapse();
range.insertNode(cursorEnd);
}
};
// Add callbacks to afterFocus to be called after cursor is replaced
// if you like, this would be useful for styling buttons and so on
var afterFocus = [];
editable.onfocus = function(e) {
// Slight delay will avoid the initial ...
How do I find which transaction is causing a “Waiting for table metadata lock” state?
...S
We can use INFORMATION_SCHEMA Tables.
Useful Queries
To check about all the locks transactions are waiting for:
USE INFORMATION_SCHEMA;
SELECT * FROM INNODB_LOCK_WAITS;
A list of blocking transactions:
SELECT *
FROM INNODB_LOCKS
WHERE LOCK_TRX_ID IN (SELECT BLOCKING_TRX_ID FROM INNODB_L...
Function overloading by return type?
Why don't more mainstream statically typed languages support function/method overloading by return type? I can't think of any that do. It seems no less useful or reasonable than supporting overload by parameter type. How come it's so much less popular?
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How do I get the last four characters from a string in C#?
...of code (which the OP already knew) and cramming it onto one line is not really the same thing as one expression.
– Buh Buh
Jun 20 '11 at 15:39
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