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Other 2022-03-14 13:45:06
mongodb update field inside array
Consider the following document in the students collection whose grades element value is an array of embedded documents: { _id: 4, grades: [ { grade: 80, mean: 75, std: 8 }, { grade: 85, mean: 90, std: 5 }, { grade: 85, mean: 85, std: ... Add solution -
SQL 2022-02-11 13:10:37
pl sql trigger determine if insert or update or delete
CREATE OR REPLACE TRIGGER Audit_emp AFTER INSERT OR UPDATE OR DELETE ON Emp_tab FOR EACH ROW DECLARE Time_now DATE; Terminal CHAR(10); BEGIN -- get current time, and the terminal of the user: Time_now := SYSDATE; ... Add solution -
C# 2022-02-01 07:11:50
modificare una strinfa in c#
string phrase = "The quick brown fox jumps over the fence"; Console.WriteLine(phrase); char[] phraseAsChars = phrase.ToCharArray(); int animalIndex = phrase.IndexOf("fox"); if (animalIndex != -1) { phraseAsChars[animalIndex++] = '... Add solution -
PHP 2022-02-01 06:30:41
warning: require(/var/www/html/public/../vendor/autoload.php): failed to open stream: no such file or directory in /var/www/html/public/index.php on line 24
What you're missing is running composer install, which will import your packages and create the vendor folder, along with the autoload script. Make sure your relative path is correct. For example the example scripts in PHPMailer are in examples/, below t... Add solution