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How to check if a string array contains one string in JavaScript? [duplicate]
...approach works, but looks a bit as misuse. I would rather recommend to use includes func, which is exactly what author is asking for. Below is an example: ['A', 'B'].includes('A') // >> true ['A', 'B'].includes('C') // >> false
– Stanislau Baranouski
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Gmail's new image caching is breaking image links in newsletter
...e any kind of query string in your image url like ?t=34343
your image must include png, jpg or gif as an extension.
your image url must be mapped onto your image directly.
If you need to use some proxy url for your protected images then your response must include the proper header like
Content-Type:...
Getting a list of associative array keys
...he prototype object of dictionary. But you typically don't want those keys included in your list.
For example, if you do this:
Object.prototype.c = 3;
var dictionary = {a: 1, b: 2};
and then do a for...in loop over dictionary, you'll get a and b, but you'll also get c.
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Which is the best Linux C/C++ debugger (or front-end to gdb) to help teaching programming? [closed]
...Visual Studio.
You can check out the Eclipse CDT Debug tutorial that also includes a number of screenshots.
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How to make a HTML Page in A4 paper size page(s)?
... look a bit different and adapt the whole design to fit most browsers too (including the old, pre 2005 ones). For that, you'll have to create a web CSS file or override some parts of your print CSS. When creating CSS for web display, remember that a browser can have ANY size (think: “mobile” up ...
Check if full path given
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@daniel, IIRC it was included to show that the path didn't need to be a valid path to be used with IsPathRooted, it certainly wasn't anything significant. The GetFullPath line was included so that the path being evaluated could be observed
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How to pass objects to functions in C++?
...two conventions: pass-by-value and pass-by-reference, with some literature including a third pass-by-pointer convention (that is actually pass-by-value of a pointer type). On top of that, you can add const-ness to the type of the argument, enhancing the semantics.
Pass by reference
Passing by refe...
How to use concerns in Rails 4
...wn pattern, the taggable pattern:
# app/models/product.rb
class Product
include Taggable
...
end
# app/models/concerns/taggable.rb
# notice that the file name has to match the module name
# (applying Rails conventions for autoloading)
module Taggable
extend ActiveSupport::Concern
includ...
What scalability problems have you encountered using a NoSQL data store? [closed]
...ional databases and ACID guarantees. Popular open source NoSQL data stores include:
15 Answers
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How to swap two variables in JavaScript
...this can't be beat (at least in JavaScript). Anybody maintaining the code (including you six months from now) will know exactly what's going on.
Since these are integers, you can also use any number of clever tricks1 to swap without using a third variable. For instance you can use the bitwise xor o...