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How to stop flask application without using ctrl-c
...ore at Shutdown The Simple Server):
from flask import request
def shutdown_server():
func = request.environ.get('werkzeug.server.shutdown')
if func is None:
raise RuntimeError('Not running with the Werkzeug Server')
func()
@app.route('/shutdown', methods=['POST'])
def shutdown(...
Convert Long into Integer
...ong) l;
All three versions generate almost identical byte code:
0 ldc2_w <Long 123> [17]
3 invokestatic java.lang.Long.valueOf(long) : java.lang.Long [19]
6 astore_1 [l]
// first
7 aload_1 [l]
8 invokevirtual java.lang.Long.intValue() : int [25]
11 invokestatic java.lang.Integer...
Resize image in PHP
...k with images.
With GD, for example, it's as simple as...
function resize_image($file, $w, $h, $crop=FALSE) {
list($width, $height) = getimagesize($file);
$r = $width / $height;
if ($crop) {
if ($width > $height) {
$width = ceil($width-($width*abs($r-$w/$h)));
...
General guidelines to avoid memory leaks in C++ [closed]
...in the first place.
Don't write
Object* x = new Object;
or even
shared_ptr<Object> x(new Object);
when you can just write
Object x;
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...
Why use strict and warnings?
...ch as @ARGV, %ENV, and all the global punctuation variables such as $. or $_.
Declared with our (for a global) or my (for a lexical).
Imported from another package. (The use vars pragma fakes up an import, but use our instead.)
Fully qualified using its package name and the double-colon package sepa...
WKWebView not loading local files under iOS 8
...tURL = tmpDirURL.appendingPathComponent(fileURL.lastPathComponent)
let _ = try? fm.removeItem(at: dstURL)
try! fm.copyItem(at: fileURL, to: dstURL)
// Files in "/temp/www" load flawlesly :)
return dstURL
}
And can be used as:
override func viewDidLoad() {
super.viewDidLoad()
...
ReSharper warns: “Static field in generic type”
...er disable once StaticMemberInGenericType
private static XmlSerializer _typeSpecificSerializer;
private static XmlSerializer TypeSpecificSerializer
{
get
{
// Only create an instance the first time. In practice,
// that will mean once for each va...
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...BSession.query(model.Name).distinct(model.Name.value) \
.order_by(model.Name.value)
Or just any kind of session.query().
Thanks to Nicolas Cadou for the answer! I hope it helps others who come searching here.
...
django: BooleanField, how to set the default value to true?
...fields/#django.forms.Field.initial ) like
class MyForm(forms.Form):
my_field = forms.BooleanField(initial=True)
If you're using a ModelForm, you can set a default value on the model field ( https://docs.djangoproject.com/en/2.2/ref/models/fields/#default ), which will apply to the resulting M...
What is the purpose of std::make_pair vs the constructor of std::pair?
What is the purpose of std::make_pair ?
7 Answers
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