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How do I format a date in Jinja2?
...and print) the strftime() method in your template, for example
{{ car.date_of_manufacture.strftime('%Y-%m-%d') }}
Another, sightly better approach would be to define your own filter, e.g.:
from flask import Flask
import babel
app = Flask(__name__)
@app.template_filter()
def format_datetime(val...
querySelector search immediate children
...port): see full support list.
function(elem) {
return elem.querySelectorAll(':scope > someselector');
};
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How ViewBag in ASP.NET MVC works
... properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work?
7 Answers
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Generate random password string with requirements in javascript
... you care about ancient browsers.
Maintainable is mostly about the RegExp _pattern as an easy way to define what character classes you allow in the password. But also about the 3 things where each does its job: defines a pattern, gets a random byte as securely as possible, provides a public API to ...
CORS - How do 'preflight' an httprequest?
...t involves configuring the server responses to include the "Access-Control-Allow-Origin" header and 'preflight' requests with and OPTIONS request. I got the idea from this post : Getting CORS working
...
How do I declare an array of weak references in Swift?
...T] {
return objects.flatMap { $0.object }
}
func contains(_ object: T) -> Bool {
return self.objects.contains(WeakObject(object: object))
}
func addObject(_ object: T) {
self.objects.formUnion([WeakObject(object: object)])
}
func addObjects(_ obj...
Read an Excel file directly from a R script
...ow in reading Excel files, and this problem is only exacerbated for larger tables.
Two draws of openxlsx are 1) its extensive other methods (readxl is designed to do only one thing, which is probably part of why it's so fast), especially its write.xlsx function, and 2) (more of a drawback for readx...
How to use a servlet filter in Java to change an incoming servlet request url?
... a check in the code if the URL needs to be changed and if not, then just call FilterChain#doFilter(), else it will call itself in an infinite loop.
Alternatively you can also just use an existing 3rd party API to do all the work for you, such as Tuckey's UrlRewriteFilter which can be configured th...
Delete local Git branches after deleting them on the remote repo
...t long, you might want to add an alias to your .zshrc or .bashrc. Mine is called gbpurge (for git branches purge):
alias gbpurge='git branch --merged | grep -Ev "(\*|master|develop|staging)" | xargs -n 1 git branch -d'
Then reload your .bashrc or .zshrc:
. ~/.bashrc
or
. ~/.zshrc
...
How to check that an object is empty in PHP?
...
empty doesn't actually check if an array is empty, empty($var) equivalent to (!isset($var) || !$var). You can replace your empty($arr)s with !$arr since array() == FALSE
– Timothy Zorn
Aug 20 '15 at 18:35...