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Replacing Spaces with Underscores
...d ending with white spaces.
$trimmed = trim($string); // Trims both ends
$convert = str_replace('', '_', $trimmed);
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Iterating over a numpy array
...ther by looking at the implementation of ndenumerate, which does 2 things, converting to an array and looping. If you know you have an array, you can call the .coords attribute of the flat iterator.
a = X.flat
%timeit list([(a.coords, x) for x in a.flat])
1 loop, best of 3: 305 ms per loop
...
How to send HTML-formatted email? [duplicate]
...tionSettings.AppSettings["SMTP"].ToString();
smtpClient.Port = Convert.ToInt32(ConfigurationSettings.AppSettings["PORT"].ToString());
smtpClient.EnableSsl = true;
smtpClient.Credentials = new System.Net.NetworkCredential(ConfigurationSettings.AppSettings["USERNAME...
How to change a TextView's style at runtime
I have an android app on which, when the user taps a TextView , I would like to apply a defined style.
8 Answers
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How to enumerate an enum with String type?
...
print($0.rawValue)
}
Compatibility with earlier Swift versions (3.x and 4.x)
If you need to support Swift 3.x or 4.0, you may mimic the Swift 4.2 implementation by adding the following code:
#if !swift(>=4.2)
public protocol CaseIterable {
associatedtype AllCases: Collection where AllC...
Difference between shadowing and overriding in C#?
What's difference between shadowing and overriding a method in C#?
6 Answers
6
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How to remove from a map while iterating it?
...
The standard associative-container erase idiom:
for (auto it = m.cbegin(); it != m.cend() /* not hoisted */; /* no increment */)
{
if (must_delete)
{
m.erase(it++); // or "it = m.erase(it)" since C++11
}
else
{
...
Update multiple rows in same query using PostgreSQL
...
You can also use update ... from syntax and use a mapping table. If you want to update more than one column, it's much more generalizable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
wher...
Difference between == and === in JavaScript [duplicate]
...are strict comparison operators:
JavaScript has both strict and
type-converting equality comparison.
For strict equality the objects being
compared must have the same type and:
Two strings are strictly equal when they have the same sequence of
characters, same length, and same
...
Storing R.drawable IDs in XML array
...ID in the form of R.drawable.* inside an array using an XML values file, and then retrieve the array in my activity.
5 An...