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What are “named tuples” in Python?
...
from typing import NamedTuple
class ANamedTuple(NamedTuple):
"""a docstring"""
foo: int
bar: str
baz: list
The above is the same as the below, except the above additionally has type annotations and a docstring. The below is available in Python 2+:
>>> from collections i...
Pass Additional ViewData to a Strongly-Typed Partial View
...<div class="row titleBlock">
<h1>@ViewData["HeaderName"].ToString()</h1>
<h5>@ViewData["TitleName"].ToString()</h5>
</div>
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...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...ution, so just in case someone needs it as well. It takes an allowed input string like "*.example.com" and returns the request header server name, if the input matches.
function getCORSHeaderOrigin($allowed, $input)
{
if ($allowed == '*') {
return '*';
}
$allowed = preg_quote($...
Does use of final keyword in Java improve the performance?
...ically, which may in the end result in faster code. For example, the final Strings a + b in the example below are concatenated statically (at compile time).
public class FinalTest {
public static final int N_ITERATIONS = 1000000;
public static String testFinal() {
final String a =...
How can I beautify JavaScript code using Command Line?
...nsole context. The function print does what you'd expect, and prints out a string. The function readFile accepts a file path string as an argument and returns the contents of that file.
You'd invoke the above something like
java -cp js.jar org.mozilla.javascript.tools.shell.Main beautify.js f...
Take the content of a list and append it to another list
... are met
list1.append(line)
if any(True for line in list1 if "string" in line):
list2.extend(list1)
del list1
....
The (True for line in list1 if "string" in line) iterates over list and emits True whenever a match is found. any() uses short-circuit evaluation to retu...
Apache VirtualHost 403 Forbidden
..."Require all granted" to each virtual host settings inside the apache/conf/extra/httpd-vhosts.conf file.
– Soundfx4
Jul 14 '15 at 22:33
1
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How to change variables value while debugging with LLDB in Xcode?
...allows you to change local variables while debugging (see how to change NSString value while debugging in XCode? ). Does LLDB offer a similar functionality? If so, how can we use it?
...
List columns with indexes in PostgreSQL
...ect
t.relname as table_name,
i.relname as index_name,
array_to_string(array_agg(a.attname), ', ') as column_names
from
pg_class t,
pg_class i,
pg_index ix,
pg_attribute a
where
t.oid = ix.indrelid
and i.oid = ix.indexrelid
and a.attrelid = t.oid
and a.attn...
How to convert an object to a byte array in C#
...Example:
public class MyClass {
public int Id { get; set; }
public string Name { get; set; }
public byte[] Serialize() {
using (MemoryStream m = new MemoryStream()) {
using (BinaryWriter writer = new BinaryWriter(m)) {
writer.Write(Id);
writer.Write...