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delete a.x vs a.x = undefined
...ke a significant difference when the prototype chain is involved.
function Foo() {
this.x = 'instance';
}
Foo.prototype = {
x: 'prototype'
};
a = new Foo();
console.log(a.x); //'instance'
a.x = undefined;
console.log(a.x); //undefined
delete a.x;
console.log(a.x); //'prototype'
...
Stubbing a class method with Sinon.js
...le to get the stub to work on an Ember class method like this:
sinon.stub(Foo.prototype.constructor, 'find').returns([foo, foo]);
expect(Foo.find()).to.have.length(2)
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...
How to return a part of an array in Ruby?
...
You can use slice() for this:
>> foo = [1,2,3,4,5,6]
=> [1, 2, 3, 4, 5, 6]
>> bar = [10,20,30,40,50,60]
=> [10, 20, 30, 40, 50, 60]
>> half = foo.length / 2
=> 3
>> foobar = foo.slice(0, half) + bar.slice(half, foo.length)
=> [1...
How can I set the Sender's address in Jenkins?
I'm sending mail from Jenkins to an anonymous SMTP relay internally. That relay then securely sends mail to exchange online via TLS on port 587. The transport works perfectly, the issue is that Microsoft requires the Sender address match the authentication credentials login name which is the same as...
What are the differences between 'call-template' and 'apply-templates' in XSL?
...
<xsl:call-template> is a close equivalent to calling a function in a traditional programming language.
You can define functions in XSLT, like this simple one that outputs a string.
<xsl:template name="dosomething">
&l...
Using XPATH to search text containing
...the text from OpenQA concerning this issue (found here):
HTML automatically normalizes
whitespace within elements, ignoring
leading/trailing spaces and converting
extra spaces, tabs and newlines into a
single space. When Selenium reads text
out of the page, it attempts to
duplicate t...
Tools for making latex tables in R [closed]
... mat <- xtable(cleandata,digits=rep(2,ncol(cleandata)+1))
foo<-0:(length(mat$animal))
bar<-foo[!is.na(mat$animal)]
print(mat,
sanitize.text.function = function(x){x},
floating=FALSE,
include.rowname...
Java: how to initialize String[]?
...
String[] errorSoon = { "foo", "bar" };
-- or --
String[] errorSoon = new String[2];
errorSoon[0] = "foo";
errorSoon[1] = "bar";
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How do I get the current time zone of MySQL?
...ng the web server and the DB server it's talking to are set to [if not actually in] the same timezone isn't a huge leap.) But beware that (as with MySQL), you can set the timezone that PHP uses (date_default_timezone_set), which means it may report a different value than the OS is using. If you're i...
What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
...s exactly the number of training samples (though that mainly occurs with small training sets or in degenerate cases) and in general its model size scales linearly. In natural language processing, SVM classifiers with tens of thousands of support vectors, each having hundreds of thousands of features...