variables

问题 Somewhere I read how to use variables in XML document. They said it's very simple and I guess it was. I successfully used it that way in Android strings.xml file. I was using it that way the whole day until suddenly android stopped to parse it and stopped to treat it like a variable. I used it in this way: <resources> <string name="some_string">string1</string> <string name="another_string"> {$some_string} trolololo </string> </resources> and in java accessing it through:

问题 Somewhere I read how to use variables in XML document. They said it's very simple and I guess it was. I successfully used it that way in Android strings.xml file. I was using it that way the whole day until suddenly android stopped to parse it and stopped to treat it like a variable. I used it in this way: <resources> <string name="some_string">string1</string> <string name="another_string"> {$some_string} trolololo </string> </resources> and in java accessing it through:

问题 I've started using Objective-C blocks today. I wrote the following code: NSArray *array = @[@25, @"abc", @7.2]; void (^print)(NSUInteger index) = ^(NSUInteger index) { NSLog(@"%@", array[index]); }; for (int n = 0; n < 3; n++) print(n); Which works properly. I needed to change the array variable after its declaration, though, so I tried using the following code: NSArray *array; void (^print)(NSUInteger index) = ^(NSUInteger index) { NSLog(@"%@", array[index]); }; array = @[@25, @"abc", @7.2];

问题 I am using some method to autoload helper files with functions. The only problem I am having now, is how to call the variables in that class. Because I am not instantiating it as an object, $this won't work. But what will? class some_helperclass { var $some_variable = '007'; public static function some_func() { //return 'all ok'; if (self::some_variable !== FALSE) { return self::ip_adres; } } I can call the function from anywhere now with the help of spl_autoload_register() . some_helperclass

问题 I have this array, $display_vars, and I want to split it into separate variables, so each variable's name is the array key, and it's value is the value, so to speak. So if the array was like this: $display_vars = array( 'title' => 'something', 'header' => 'something else' ); Then I want to end up with the equivalent of this: $title = 'something'; $header = 'something else'; Can you think of any way I can possibly do this? 回答1: The extract function does exactly this. See it in action (includes

问题 Can anyone check on my statement... DECLARE @tblName varchar(MAX), @strSQL varchar(MAX) SET @tblName ='SELECT DISTINCT o.name as TableName FROM sysobjects o JOIN sysindexes x on o.id = x.id WHERE o.name LIKE ''%empty%''' SET @strSQL = 'INSERT INTO @tblName VALUES(''trylng'', ''1'')' EXEC (@strSQL) my error is... Msg 1087, Level 15, State 2, Line 1 Must declare the table variable "@tblName". 回答1: Your @tblName property exists at the outer scope - the scope of your "normal" code lines - but not

问题 I am developing an app in Phonegap.. My app is based on numerology calculation, In my app there is a portion where I need to calculate the value of letters. For example my name 'Aron' .. I need to calculate the values, I am using switch case statement for that but it is not working.. can anyone pls help me to find out the error..I am giving my code below. //curage is current age //fna is firstname var bbbb; for(var i=0; i<curage; i++) { bbbb+=lettervalue(fna.charAt(i)); } function lettervalue

问题 I have a set of working pages and want to inspect variables at a break point on a JSP page. unfortunately the context menu for the variable doesn't show the normal Inspect/Watch options as it does when in a Java file. Any ideas? 回答1: Here is a solution worked for me: In Eclipse open the Display tab view (Window -> Show View -> Display) In the Display tab write the variable or expression you want to inspect. Select it and do a right click and you'll have the a menu with the option inspect (or

问题 I am wondering if there are any way in laravel to send a variable to the layout master and keep it there while the user is logged in. I know how I can do it, like this $this->layout->with('catalog.categories', $data); But the problem of this is that I will have to be sending the variable on all the controllers and through all the class. And to get the variable I will need seven or eight lines of code on top of that. I will give you an easy example. Imagine I have a messenger center in my web.

问题 I am wondering if there are any way in laravel to send a variable to the layout master and keep it there while the user is logged in. I know how I can do it, like this $this->layout->with('catalog.categories', $data); But the problem of this is that I will have to be sending the variable on all the controllers and through all the class. And to get the variable I will need seven or eight lines of code on top of that. I will give you an easy example. Imagine I have a messenger center in my web.