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What is the !! (not not) operator in JavaScript?
...! is not an operator, it's just the ! operator twice.
Real World Example "Test IE version":
const isIE8 = !! navigator.userAgent.match(/MSIE 8.0/);
console.log(isIE8); // returns true or false
If you ⇒
console.log(navigator.userAgent.match(/MSIE 8.0/));
// returns either an Array or nu...
How to pass a user defined argument in scrapy spider
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The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working wit...
解决WaitForSingleObject阻塞UI线程的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ile (TRUE)
{
//wait for m_hThread to be over，and wait for
//QS_ALLINPUT（Any message is in the queue）
dwRet = MsgWaitForMultipleObjects(1, &hThread, FALSE, INFINITE, QS_ALLINPUT);
switch(dwRet)
{
case WAIT_OBJECT_0:
break; //break the loop
case WAIT_OBJECT_0 + 1:
...
How to generate .NET 4.0 classes from xsd?
...or the case you have several interlinked schema definitions just name them all. xsd schema1.xsd schema2.xsd schema3.xsd /c
– mivra
Oct 24 '16 at 19:40
...
What are the main disadvantages of Java Server Faces 2.0?
... faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration testing looked very nice too.
13 Answers
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Preferred Github workflow for updating a pull request after code review
...t
$ git fetch parent
$ git log --oneline parent/master..master
e4e32b8 add test case as per PR comments
eccaa56 code standard fixes as per PR comments
fb30112 correct typos and fatal error
58ae094 fixing problem
It's a good idea to squash things together so they appear as a single commit:
$ git r...
Finding a substring within a list in Python [duplicate]
...
All the answers work but they always traverse the whole list. If I understand your question, you only need the first match. So you don't have to consider the rest of the list if you found your first match:
mylist = ['abc123'...
What algorithm does Readability use for extracting text from URLs?
... the "relevant" text from a URL by eliminating the text related to ads and all the other clutter.After several months of researching, I gave it up as a problem that cannot be accurately determined. (I've tried different ways but none were reliable)
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How to get current path with query string using Capybara
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I'll probably need this syntax very soon, I'm writing tests for a legacy application. Using current_path.should == is working for now (though I need to add a trailing forward-slash as a string). I'm thanking you in advance for code I'll likely need.
– Tass
...
How to save/restore serializable object to/from file?
....
So, with your code, if I were using XML Serialization:
var path = @"C:\Test\myserializationtest.xml";
using(FileStream fs = new FileStream(path, FileMode.Create))
{
XmlSerializer xSer = new XmlSerializer(typeof(SomeClass));
xSer.Serialize(fs, serializableObject);
}
Then, to deserializ...