Ubuntu7.10 today is a day worth celebrating. The system has been restored-Linux general technology-Linux technology and application information. The following is a detailed description. A few days ago, I was so depressed that after I upgraded cairo, many programs could not be used. I couldn't find the reason, I couldn't find my mind, and I couldn't understand my
1001. The (3N + 1) conjecture that the dead are not worth the candle (15)
Time Limit
400 MS
Memory limit
32000 KB
CodeLength limit
8000 B
JudgementProgram
Standard
Author
Chen, Yue
Callatz conjecture:
For any natural number N, if it is an even number, cut it by half; if it is an odd number, cut (3N + 1) by half. In this way, we will continue
Ruby metaprogramming is worth noting.
Avoid infinite loop metaprogramming.
Do not confuse the core class (do not use monkey patch) when writing a function library ).
It is best to use the code block form in the string interpolation form.When you use string interpolation, _ FILE _ and _ LINE __are always provided to make your backtracking meaningful.
class_eval '
"Exception safe" has two conditions:1, do not disclose any resourcesYou can manage resources by object (ITEM13).2. Data corruption is not allowedThe exception security function provides one of the following three guaranteesA. Basic commitmentIf an exception is thrown, everything inside the program remains in a valid state, but what state is unknown.B. Strong guar
Why does smarty generate static pages? This post was last edited by bing15 at 2013-03-0616: 36: 02. I want to use smarty to generate a list page, which is really static. For example, classification: there are 50 pieces of news data. Why is it worth thinking about generating static pages for 10 smarty on a list page?
This post was edited by bing15 at 16:36:02 on.
}); $scope. $on (' To-child ',function(d,data) {console.log (data); //children cannot get a value }); }); Phonecatcontrollers.controller (' Childctrl ',function($scope) {$scope. $on (' To-child ',function(d,data) {console.log (data); //The child can get the value }); $scope. $on (' To-parent ',function(d,data) {console.log (data); //The parent does not get a value }); }); Phonecatcontrollers.controller (' Broctrl ',function($scope) {$scope. $on
The evil little penguin input method is worth it? -- Linux general technology-Linux technology and application information. for details, refer to the following section. I recently downloaded an rpm little penguin input method from the internet. I don't know how to call it after the installation is successful. The configuration file has been changed and changed, b
PHP about fetching the data in the table is worth the problem
Include ' connect.php ';
$sql = "SELECT * from ' RWGL '. ' RWB '";
mysql_select_db ($mysql _database, $conn);
$query =mysql_query ($sql, $conn) or Die ("error");
while ($row =mysql_fetch_array ($query)) {
$i + +;
?>
}
?>
Mysql_close ($conn);
?>
The result is:
1 AA bb 2013-04-19
/***/-(void) Keyboardwillchangeframe: (nsnotification *) notification{Nsdictionary *userinfo = Notification.userinfo;Duration of animationDouble duration = [Userinfo[uikeyboardanimationdurationuserinfokey] doublevalue];The frame of the keyboardCGRect KEYBOARDF = [Userinfo[uikeyboardframeenduserinfokey] cgrectvalue];[UIView animatewithduration:duration animations:^{The Y value of the IF (Keyboardf.origin.y > Self.view.height) {//keyboard has far exceeded the height of the controller viewSelf.publ
The key in PHP that reads a cookie is worth other information
I want to add a function to change the password
Set cookies
Setcookie (' UserId ', $dataUser->rowid,0, '/');
Setcookie (' UserName ', $dataUser->username,0, '/');
Setcookie (' usertype ', $dataUser->usertype,0, '/');
Setcookie (' Corpcode ', $dataUser->corpcode,0, '/');
Then how to read the value of the ID, get the password, compared with the ori
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