The key is in the CIVICRM_SITE_KEY variable defined in your civicrm.settings.php file. Note: On the first call, you might get an error message like "This user ...
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it works can somebody help me...
UNION ALL SELECT NULL, *, NULL, NULL FROM email.
I would like a brief explanation of the following command line …
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I have a command such as "C:\Program Files\7-zip\7z.exe" x foo.7z -y which will extract (with full paths) to the current directory. What it does that I don't want, though...
Юмор о программировании и всём, что связано с разработкой — отдохните и слейте ваше время в /dev/null.
The IS NULL operator is used to test for empty values (NULL values). The following SQL lists all customers with a NULL value in the "Address" field: Example. SELECT CustomerName, ContactName, Address FROM Customers WHERE Address IS NULL
Null values can be used as a condition in the WHERE and HAVING clauses. For example, a WHERE clause can specify a column that, for some rows, contains a null value.
/dev/null (иногда /dev/nul) — Выражение «отправить <что-то> в /dev/null» означает «избавиться», «выбросить», «проигнорировать». Происходит от специального файла (псевдоустройства) в *nix-подобных системах.