大约有 47,000 项符合查询结果（耗时：0.0372秒） [XML]
how to concatenate two dictionaries to create a new one in Python? [duplicate]
...
Unless all keys are known to be strings, option 2 is an abuse of a Python 2 implementation detail (the fact that some builtins implemented in C bypassed the expected checks on keyword arguments). In Python 3 (and in PyPy), option 2 will fail with non-string...
Logging Clientside JavaScript Errors on Server [closed]
...u can also encrypt a token that includes the user's ID, IP, a small random string (to foil known-plaintext attacks if your encryption algorithm is fast but weak), and a timestamp and include that as a JS variable in the page. This can then be submitted with the error report and checked before allow...
Regular expression to find URLs within a string
Does anyone know of a regular expression I could use to find URLs within a string? I've found a lot of regular expressions on Google for determining if an entire string is a URL but I need to be able to search an entire string for URLs. For example, I would like to be able to find www.google.com ...
Converting a string to a date in JavaScript
How can I convert a string to a date in JavaScript?
33 Answers
33
...
Making 'git log' ignore changes for certain paths
...ath-match checks on individual paths under the directory would cause those extra paths to be filtered out, the only difference from using the wrong function was unnecessary computation.
The second of those bad calls to do_match_pathspec() was involved -- via either direct movement or via copying+edi...
Python - Get path of root project structure
... packages; this is done to prevent directories with a common name, such as string, from unintentionally hiding valid modules that occur later on the module search path. In the simplest case, __init__.py can just be an empty file, but it can also execute initialization code for the package or set the...
What's the _ underscore representative of in Swift References?
... have this foo() method defined in class Bar:
class Bar{
func foo(s1: String, s2: String) -> String {
return s1 + s2;
}
}
When you call foo(), it is called like bar.foo("Hello", s2: "World").
But, you can override this behavior by using _ in front of s2 where it's declared.
f...
How to get parameters from a URL string?
I have a HTML form field $_POST["url"] having some URL strings as the value.
Example values are:
13 Answers
...
Passing properties by reference in C#
...Here are a few ways you can work around this limitation.
1. Return Value
string GetString(string input, string output)
{
if (!string.IsNullOrEmpty(input))
{
return input;
}
return output;
}
void Main()
{
var person = new Person();
person.Name = GetString("test", pe...
Invoking JavaScript code in an iframe from the parent page
... window object back, for the same reason as (1), but you can pick up a few extra browser versions here if you care.
window.frames['name'] returning the window is the oldest and hence most reliable interface. But you then have to use a name="..." attribute to be able to get a frame by name, which is ...