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Extracting bits with a single multiplication
...and, namely SMT-LIB 2 input:
(set-logic BV)
(declare-const mask (_ BitVec 64))
(declare-const multiplicand (_ BitVec 64))
(assert
(forall ((x (_ BitVec 64)))
(let ((y (bvmul (bvand mask x) multiplicand)))
(and
(= ((_ extract 63 63) x) ((_ extract 63 63) y))
(= ...
Python list directory, subdirectory, and files
...
comprehension list: all_files = [os.path.join(path, name) for name in files for path, subdirs, files in os.walk(folder)]
– Nir
Aug 12 '19 at 14:40
...
Converting any string into camel case
...
If anyone is using lodash, there is a _.camelCase() function.
_.camelCase('Foo Bar');
// → 'fooBar'
_.camelCase('--foo-bar--');
// → 'fooBar'
_.camelCase('__FOO_BAR__');
// → 'fooBar'
...
What is the use of join() in Python threading?
... @Aviator45003: Yes, by using the timeout argument like: demon_thread.join(0.0), join() is by default blocking without regard to the daemonized attribute. But joining a demonized thread opens most likely a whole can of trouble! I'm now considering to remove the join() call in my little ...
Basic http file downloading and saving to disk in python?
...URLopener is deprecated.
And when used you will get error as below:
url_opener = urllib.URLopener() AttributeError: module 'urllib' has no
attribute 'URLopener'
So, try:
import urllib.request
urllib.request.urlretrieve(url, filename)
...
Dealing with float precision in Javascript [duplicate]
...000000004
> (x * cf) * (y * cf) / (cf * cf)
0.02
Quick solution:
var _cf = (function() {
function _shift(x) {
var parts = x.toString().split('.');
return (parts.length < 2) ? 1 : Math.pow(10, parts[1].length);
}
return function() {
return Array.prototype.reduce.call(argum...
How to set ViewBag properties for all Views without using a base class for Controllers?
... }
}
}
register your custom class in the global. asax (Application_Start)
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
GlobalFilters.Filters.Add(new UserProfilePictureActionFilter(), 0);
}
Then you can use it in all views
@ViewBag.IsAd...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...our string comparison to behave the same way, no matter what computer your application is installed on.
To achieve this we have 3 options:
Set the culture explicitly and perform a case insensitive compare using unicode equivalence rules.
Set the culture to the Invariant Culture and perform case ins...
Getter and Setter declaration in .NET [duplicate]
...ed property. When the need arises you can expand your property to:
string _myProperty;
public string MyProperty
{
get { return _myProperty; }
set { _myProperty = value; }
}
Now you can add code that validates the value in your setter:
set
{
if (string.IsNullOrWhiteSpace(value))
...
Can a variable number of arguments be passed to a function?
... this. The key point is that the general signature of a function is f(*list_args, **keyword_args) (not f(*list_args)).
– Eric O Lebigot
Mar 15 '13 at 3:36
...
