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PHP 2021-09-23 12:45:04
interview php questions
# 27 basics questions for php Interview 1) What is PHP? PHP is a web language based on scripts that allow developers to dynamically create generated web pages. 2) What do the initials of PHP stand for? PHP means PHP: Hypertext Preprocessor. 3) Which pr... Add solution -
PHP 2021-09-10 10:12:02
php interview questions
# 27 basics questions for php Interview 1) What is PHP? PHP is a web language based on scripts that allow developers to dynamically create generated web pages. 2) What do the initials of PHP stand for? PHP means PHP: Hypertext Preprocessor. 3) Which pr... Add solution -
Other 2021-09-09 22:58:02
what is data redundancy
Data redundancy occurs when the same piece of data exists in multiple places, whereas data inconsistency is when the same data exists in different formats in multiple tables. Unfortunately, data redundancy can cause data inconsistency, which can provide... Add solution -
Java 2021-08-30 05:53:02
cannot find symbol java
The "Cannot find symbol" errors generally occur when you try to reference an undeclared variable in your code. A "Cannot find symbol" error means that the compiler cannot do this. Your code appears to be referring to something that the... Add solution -
Shell/Bash 2021-08-28 08:41:01
bash how to download password protected files
# Basic syntax: # Download a single password protected file: wget http://url/file --user=username --password=password --directory-prefix=/path/to/output/directory # Recursively download a directory of password protected files: wget -r --no-parent http://... Add solution -
Javascript 2021-08-27 19:01:02
what means ?? in dart
// The ?? double question mark operator means "if null" String a = b ?? 'hello'; // This means a equals b, but if b is null then a equals 'hello'. It is like || in JavaScript b ??= 'hello'; // If b is null then set it equal to 'hello'. Otherwis... Add solution
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