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Reference — What does this symbol mean in PHP?
... a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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Getter and Setter?
I'm not a PHP developer, so I'm wondering if in PHP is more popular to use explicit getter/setters, in a pure OOP style, with private fields (the way I like):
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Postgres: clear entire database before re-creating / re-populating from bash script
...ing them. (This will not drop the whole database, just each table/sequence/index/etc. before recreating them.)
The above two would look something like this:
pg_dump -U username --clean | pg_restore -U username
share
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What is the difference between client-side and server-side programming?
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| browser | | | web server |
| (JavaScript) | | | (PHP etc.) |
| | | | |
+--------------+ | +--------------+
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client side | server side
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<----------
HTML,...
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
What is the difference between == and === in PHP?
11 Answers
11
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is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
How can you search Google Programmatically Java API [closed]
...a offers java.net.URL and java.net.URLConnection to fire and handle HTTP requests.
JSON can in Java be converted to a fullworthy Javabean object using an arbitrary Java JSON API. One of the best is Google Gson.
Now do the math:
public static void main(String[] args) throws Exception {
String ...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...ember called $mouse, then foreach($cats as cat::$mouse) is perfectly valid php, but a statement with anything other than :: after the cat would be a syntax error. If $mouse were not a declared property of cat you would get a fatal error, but still not a syntax error.
– chiliNUT...
How to do parallel programming in Python?
... getting an error that says" Could not find a version that satisfies the requirement ray (from versions: ) No matching distribution found for ray" when trying to install the package in python
– alwaysaskingquestions
Feb 16 '18 at 18:09
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Accept function as parameter in PHP
...en wondering whether is possible or not to pass a function as parameter in PHP; I want something like when you're programming in JS:
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