imac question mark

Http://hi.baidu.com/_hkx/blog/item/34dd149b844bc7bec8eaf401.html Int? : Indicates an empty type, which is a special value type. Its value can be null. It is used to assign null to the variable (INT type) when setting the initial value, instead of 0. Int ?? : Used to determine and assign values. First, judge whether the current variable is null. If yes, you can activate a new value. Otherwise, skip Public Int? A = NULL; Public int B () { Return this. ?? 0; } The value type is followed by a

Chinese change question mark, high score to seek recovery method???

Win7 Desktop Right button menu part of the option becomes a question mark what's going on? The first method: Open the Start menu, and then enter the control Panel, the interface in the control Panel to find the system time zone, language options, to see if the language settings are normal, whether to use Simplified Chinese, how not to please amend, because the language is also caused by the menu display

The default question mark always appears in the dropdown box today: After Google's constant viewing of the data, it was found that Ng-model was not assigned and must be an object. property; Wrong code: $scope. localeoptions = [{ID: "ZH_CN",Name: "Simplified Chinese"},{ID: "ZH_TW",Name: "Traditional Chinese"}];$scope. Selectedlocale = $scope. localeoptions[0].id; The correct code: $scope. localeoptions

Recently using Flex to send a Httpservice request to the background, the request parameter contains the SQL wildcard character%, Background to get the information is always incorrect, after the query learned that the original% is a reserved character URL, if the use of the need to turn to the corresponding hexadecimal value, is%25. In addition, the plus sign, question mark and so on is also the reserved c

Problem These two days just will plsql and Oracle configuration, but in plsql insert data, there is a problem, Plsql table can not display Chinese, Chinese can not save, unable to output, Chinese in the tables show the question mark, as shown: Reason After some verification, found that the source of the problem is not on the plsql, but on our Oracle, because our Oracle database in the character set doe

Q: When using SVN, mistakenly checkout to a non-empty directory, causing the local folder to display a blue question mark icon, as shown in figure: How to solve it, very simple: This is easier, you are talking about creating a notepad file, and then this sentence copied intoFor/r. %%a in (.) do @if exist "%%A\.SVN" rd/s/q "%%A\.SVN"Then save, in the bar Notepad file name to delete svn information. bat, yo

\.php/category/$id. html permanent; Rewrite ^/art\.php/article/$id. htmlpermanent; Rewrite ^/art_list\.php/article/category-$id. html permanent; Rewrite ^/artid\.php/help/$id. html permanent; Rewrite ^/article\.php/affiche/$id. htmlpermanent; } Problem found: The redirected addresses are all xxx.html?id=xxx. Finally I modified the parameters: if ($query _string ~* "id= (\d+) $") { Set $id $; rewrite/art_list\.php/article/category-$id. html? Permanent Rewrite ^/goods\.php/goods/$id. html?perman

SVN add PATH ... Add files or folders The symbol is not quite certain: Question mark: Files that are not on the server TICK: Files and folders that have not been modified since the last update Exclamation point: Since the last update, a modified Blue Cross symbol: file on server, but your folder is deleted In addition, you should be using some kind of GUI software, SVN itself is the command line

Problem:Open Plsql, execute SQL statement, Chinese display garbled:Solution:1) Input SQL statement Select Userenv (' language ') from dual view database character set2) Enter SQL statement SELECT * from V$nls_parameters view local character set to see if the first and nineth rows correspond3) Review the settings of the environment variable to see if there is a variable nls_lang, or create a new variable4) New variable, set variable name: Nls_lang, Variable value: Simplified Chinese_china. ZHS16G

such as Notepad or editplus have the ability to select the encoding when they are saved.b.html and PHP mixed page solutions.Beyond what a program says. Also add the following code to the top of the file.View Plaincopy to Clipboardprint? Header ("Content-type:text/html;charset=utf-8");?>Note that the header does not have any output (Echo/print/print_r/var_dump and other PHP output statements, or you are in front of "If you use the system's own Notepad saved as UTF-8 encoded files will be an erro

request data. Character_set_connection: A character set that receives data from the client and then transmits it. Character_set_database: The character set of the default database, regardless of how the default database is changed, is this character set, and if there is no default database, this parameter does not need to be set character_set_server the specified character set. Character_set_filesystem: The operating system on the file name into this character set, that is, the character_set_cl

Label:Workaround:1. Locate the My-default.ini in the installation directory for this configuration file2, copy a copy paste into the same directory under the name of My.ini3, in the My.ini configuration, add the following lines of code and save[MySQL]Default-character-set=utf8[Mysqld]Character-set-server=utf84, restart the MySQL service or reinstall canI hope we can solve our problems.Note that the 5.6 version of the previous method does not work, the above solution is a small series combined wi

Label:1. In cmd, go to MySQL to view the default encoding format:Mysql> Show variables like "%char%";If it's not UTF8 (because I'm using UTF8), turn off the MySQL service and add it in My.ini[Client]Default-character-set=utf8[Mysqld]Default-storage-engine=innodbCharacter-set-server=utf8Collation-server=utf8_general_ci[MySQL]Default-character-set=utf8Whether the encoding format in 2.eclipse is UTF83. If it is still not possible, check the MySQL client table encoding methodShow CREATE TABLE TableN

;SetCharacter_set_connection= 'UTF8'; 3Mysql>SetCharacter_set_database= 'UTF8'; 4Mysql>SetCharacter_set_results= 'UTF8'; 5Mysql>SetCharacter_set_server='UTF8'; Ok. You can execute show variables like ' char% ' again, and see the results of the changes. Now the character set is UTF-8. In the final step, to modify the previously garbled table, the character encoding is also modified to UTF-8: 1 MYSQL>altertablecharacterset UTF8; This is done. Then select the previous table, Chinese is not all chan