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Detecting an “invalid date” Date instance in JavaScript
I'd like to tell the difference between valid and invalid date objects in JS, but couldn't figure out how:
46 Answers
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How to check if a string contains an element from a list in Python
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It is better to parse the URL properly - this way you can handle http://.../file.doc?foo and http://.../foo.doc/file.exe correctly.
from urlparse import urlparse
import os
path = urlparse(url_string).path
ext = os.path.splitext(path)[1]
if ext in extensionsToCheck:
print(url_string)
...
How to solve Permission denied (publickey) error when using Git?
...hould be good to clone and checkout.
Further information can be found at https://help.github.com/articles/generating-ssh-keys (thanks to @Lee Whitney)
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If the user has generated a ssh public/private key pair set before
check which key have been authorized on your github or gitlab account sett...
What is the difference between LR, SLR, and LALR parsers?
What is the actual difference between LR, SLR, and LALR parsers? I know that SLR and LALR are types of LR parsers, but what is the actual difference as far as their parsing tables are concerned?
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How do I clone into a non-empty directory?
I have directory A with files matching directory B. Directory A may have other needed files. Directory B is a git repo.
15 ...
jQuery selector regular expressions
...eturn this.id.match(/abc+d/);
})
.html("Matched!");
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="abcd">Not matched</div>
<div id="abccd">Not matched</div>
<div id="abcccd">Not matched</div&...
sizeof single struct member in C
I am trying to declare a struct that is dependent upon another struct.
I want to use sizeof to be safe/pedantic.
9 Answer...
How do you serialize a model instance in Django?
...
struct = json.loads(data)
data = json.dumps(struct[0])
return HttpResponse(data, mimetype='application/json')
I found this interesting post on the subject too:
http://timsaylor.com/convert-django-model-instances-to-dictionaries
It uses django.forms.models.model_to_dict, which looks ...
Comparison of DES, Triple DES, AES, blowfish encryption for data
...oducts and services.
AES is considered the successor and modern standard. http://en.wikipedia.org/wiki/Advanced_Encryption_Standard
I believe the use of Blowfish is discouraged.
It is highly recommended that you do not attempt to implement your own cryptography and instead use a high-level implem...
How do you clear a slice in Go?
...nd wanted to share my results.
To practice, I did a little go playground:
https://play.golang.org/p/9i4gPx3lnY
which evals to this:
package main
import "fmt"
type Blah struct {
babyKitten int
kittenSays *string
}
func main() {
meow := "meow"
Blahs := []Blah{}
fmt.Printf("Bl...