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Difference between \b and \B in regex
...ern to be searched for is 'cat':
text = "catmania thiscat thiscatmaina";
Now definitions,
'\b' finds/matches the pattern at the beginning or end of each word.
'\B' does not find/match the pattern at the beginning or end of each word.
Different Cases:
Case 1: At the beginning of each word
resu...
Django set field value after a form is initialized
...ail': GetEmailString()})
See the Django Form docs for more explanation.
If you are trying to change a value after the form was submitted, you can use something like:
if form.is_valid():
form.cleaned_data['Email'] = GetEmailString()
Check the referenced docs above for more on using cleaned_...
Detecting request type in PHP (GET, POST, PUT or DELETE)
...
By using
$_SERVER['REQUEST_METHOD']
Example
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// The request is using the POST method
}
For more details please see the documentation for the $_SERVER variable.
...
How to get current PHP page name [duplicate]
...file called demo.php where I don't have any GET variables in the URL, so if I want to hide a button if am on this page I can't use something like this:
...
How to get number of entries in a Lua table?
...to be implementation defined behavior. The reason it is like this is that different implementors can pick different implementation choices.
– Nakedible
Aug 9 '13 at 6:39
19
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What is context in _.each(list, iterator, [context])?
...which is represented by this since we passed it as the context parameter.
If you do not set the context, then this will refer to the window object.
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Define variable to use with IN operator (T-SQL)
...
I know this is old now but TSQL => 2016, you can use STRING_SPLIT:
DECLARE @InList varchar(255) = 'This;Is;My;List';
WITH InList (Item) AS (
SELECT value FROM STRING_SPLIT(@InList, ';')
)
SELECT *
FROM [Table]
WHERE [...
import module from string variable
... on a documentation (personal) for nested matplotlib (MPL) library, which differs from MPL own provided, by interested submodule packages. I'm writing Python script which I hope will automate document generation from future MPL releases.
I selected interested submodules/packages and want to list t...
What's wrong with nullable columns in composite primary keys?
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In Oracle (I don't know about SQL Server), the table can contain many rows where all the columns in a unique constraint are null. However, if some column(s) in the unique constraint are not null and some are null then uniqueness is enforced.
...
One-liner to check whether an iterator yields at least one element?
...
any won't go beyond the first element if it's True. In case the iterator yields something false-ish you can write any(True for _ in iterator).
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