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Is there a built-in function to print all the current properties and values of an object?
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You are really mixing together two different things.
Use dir(), vars() or the inspect module to get what you are interested in (I use __builtins__ as an example; you can use any object instead).
>>> l = dir(__builtins__)
>...
Include constant in string without concatenating
Is there a way in PHP to include a constant in a string without concatenating?
12 Answers
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...won't be allowed. So, here's a post to help you do just that, along with a PHP class to make your life easier.
1. Create a developer account: Set yourself up a developer account on Twitter
You need to visit the official Twitter developer site and register for a developer account.
This is a free an...
foreach vs someList.ForEach(){}
...erate the list backwards with a for loop, you can remove items without any index-shift problems.
– S. Tarık Çetin
Aug 24 '16 at 22:48
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sh...
Select something that has more/less than x character
...). In Oracle, and probably in all other RDBMSs, this means that a regular index on EmployeeName will be useless to answer this query; the database will do a full table scan, which can be really costly.
However, various databases offer a function indexes feature that is designed to speed up queries...
How do I send a cross-domain POST request via JavaScript?
...e.php (using PHP as an example). Note: you only need to set Access-Control-Allow-Origin for NON OPTIONS requests - this example always sets all headers for a smaller code snippet.
In postHere.php setup the following:
switch ($_SERVER['HTTP_ORIGIN']) {
case 'http://from.com': case 'https://fro...
Traverse a list in reverse order in Python
...versed(a):
... print(i)
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baz
bar
foo
To also access the original index, use enumerate() on your list before passing it to reversed():
>>> for i, e in reversed(list(enumerate(a))):
... print(i, e)
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2 baz
1 bar
0 foo
Since enumerate() returns a generator and generators ca...
Relational table naming convention [closed]
...nate Key (IDEF1X term)
Note that the table name is not required in the index name, because it always shows up as table_name.index_name.
So when Customer.UC_CustomerId or Product.U__AK appears in an error message, it tells you something meaningful. When you look at the indices on a table, you c...
Is there a naming convention for MySQL?
... or remove columns from a table at a later date.
Some other points are:
Index Naming Conventions
You may wish to introduce a naming convention for indexes - this will be a great help for any database metadata work that you might want to carry out. For example you might just want to call an index...
When to use single quotes, double quotes, and backticks in MySQL
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Michael all sorted now thanks. Might I suggest editing the chart to add bound variables. It is absolutely gorgeous and if another poor soul came along checking on :whatever that would be even more lovely. ATB Steve
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