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How to compile and run C/C++ in a Unix console/Mac terminal?
...p -o main.out", and get this error, Undefined symbols for architecture x86_64: "std::__1::locale::use_facet(std::__1::locale::id&) const", ... turns out the reason is, gcc default-links is libc. while using g++ will link with libstdc++. So use "g++ main.cpp -o main.out" may be better.
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Convert a series of parent-child relationships into a hierarchical tree?
...re, that means internally no recursion function calls are done.
The event based ListDecorator allows you to modify the output specifically and to provide multiple type of lists for the same data structure. It's even possible to change the input as the array data has been encapsulated into TreeNode....
Python constructors and __init__
...e, that namespace is then passed to the metaclass (among with the name and bases). Function definitions then are just creating a function with the specified body and assigning it to it's name. The last assignment to __init__ will be what ends up in the class.
– skyking
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Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...this jsBin page.
// ==UserScript==
// @name _Dynamically style inputs based on whether they are blank.
// @include http://YOUR_SERVER.COM/YOUR_PATH/*
// @grant GM_addStyle
// ==/UserScript==
/*- The @grant directive is needed to work around a design change
introduced in GM 1.0. It res...
test a file upload using rspec - rails
...::UploadedFile.new("path/to/file.ext", "mime/type")
*NOTE: My example is based on Sinatra, which extends Rack, but should work with Rails, which also uses Rack, TTBOMK
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.NET 4.0 has a new GAC, why?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do I create an HTML table with a fixed/frozen left column and a scrollable body?
...reates fixed headers and/or columns.
Toggle fixed column to be true on the demo page to see it in action.
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Convert Data URI to File then append to FormData
...ert a dataURI to a Blob:
function dataURItoBlob(dataURI) {
// convert base64/URLEncoded data component to raw binary data held in a string
var byteString;
if (dataURI.split(',')[0].indexOf('base64') >= 0)
byteString = atob(dataURI.split(',')[1]);
else
byteString =...
Set element focus in angular way
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This solution is much more 'angular way' than id-based hack above.
– setec
Jul 27 '16 at 14:54
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Preview an image before it is uploaded
...lt);
}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input ...