大约有 46,000 项符合查询结果(耗时:0.0768秒) [XML]
How to correct TypeError: Unicode-objects must be encoded before hashing?
...
import hashlib
string_to_hash = '123'
hash_object = hashlib.sha256(str(string_to_hash).encode('utf-8'))
print('Hash', hash_object.hexdigest())
share
|
...
Calculating sum of repeated elements in AngularJS ng-repeat
...repeat . For each element in the array, it shows the item name, its amount and the subtotal ( product.price * product.quantity ).
...
How to sum all column values in multi-dimensional array?
...ing array_column() then at first you may consider to get all unique keys , and then get the sum for each key :
$final = array();
foreach($input as $value)
$final = array_merge($final, $value);
foreach($final as $key => &$value)
$value = array_sum(array_column($input, $key));
unset...
Django, creating a custom 500/404 error page
... return response
Update
handler404 and handler500 are exported Django string configuration variables found in django/conf/urls/__init__.py. That is why the above config works.
To get the above config to work, you should define the following variables in your urls.py file and point the exported...
Java logical operator short-circuiting
...et's compare the behaviour in a simple example:
public boolean longerThan(String input, int length) {
return input != null && input.length() > length;
}
public boolean longerThan(String input, int length) {
return input != null & input.length() > length;
}
The 2nd versi...
Change IPython/Jupyter notebook working directory
... yes, it's probably not needed. It was a way to make a Unicode string in Python 2 (try type(u'bla') vs type('bla'). In Python 3 it's the same thing as the string expression without u (as all strings are Unicode).
– metakermit
Mar 9 '16 at 14:08
...
WKWebView in Interface Builder
...func viewDidLoad() {
super.viewDidLoad()
if let url = URL(string: "https://google.com") {
let req = URLRequest(url: url)
webView?.load(req)
}
}
}
share
|
...
Is it possible to get the non-enumerable inherited property names of an object?
...ndexOf", "sort", "splice", "concat", "pop", "unshift", "shift", "join", "toString", "forEach", "reduceRight", "toLocaleString", "some", "map", "lastIndexOf", "reduce", "filter", "reverse", "every", "hasOwnProperty", "isPrototypeOf", "valueOf", "__defineGetter__", "__defineSetter__", "__lookupGetter_...
Why Choose Struct Over Class?
... 1...10000000 {
y = y + Int10Struct(1)
}
}
func measure(name: String, @noescape block: () -> ()) {
let t0 = CACurrentMediaTime()
block()
let dt = CACurrentMediaTime() - t0
print("\(name) -> \(dt)")
}
Code can be found at https://github.com/knguyen2708/StructVsC...
How to overwrite styling in Twitter Bootstrap
...ow can I change this so that it goes to the right instead? I'm using HAML and SASS but am relatively new to web development.
...
