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public friend swap member function
...truct vector
{
void swap(vector&) { /* swap members */ }
};
Naturally, then, our class should too, right? Well, not really. The standard library has all sorts of unnecessary things, and a member swap is one of them. Why? Let's go on.
What we should do is identify what's canonical, and w...
What is “callback hell” and how and why does RX solve it?
... clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
...
List of Delphi language features and version in which they were introduced/deprecated
...support in enable on Linux.
C++Builder and Delphi now use the same ABI for all calls.
Delphi 10.2 Tokyo
Support for Linux server apps (Intel 64-bit using LLVM and ARC).
Assigning a dynamic arrays to a pointer using the @ operator is only allowed when hard-casting the array.
More flexible name...
How do I revert a Git repository to a previous commit?
...o temporarily go back to it, fool around, then come back to where you are, all you have to do is check out the desired commit:
# This will detach your HEAD, that is, leave you with no branch checked out:
git checkout 0d1d7fc32
Or if you want to make commits while you're there, go ahead and make a n...
iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
...dar to overcome some shortcomings in the way OCUnit works for us. Specifically, we wanted to be able to use the debugger in tests, to run tests from the command line and in CI builds, and get useful text output of test results. These things may be more or less useful to you.
Long answer
Deciding...
Best way to structure a tkinter application? [closed]
The following is the overall structure of my typical python tkinter program.
7 Answers
...
How can I write output from a unit test?
Any call in my unit tests to either Debug.Write(line) or Console.Write(Line) simply gets skipped over while debugging and the output is never printed. Calls to these functions from within classes I'm using work fine.
...
Can someone explain collection_select to me in clear, simple terms?
...order(..) or something like that.
# In your example it is:
Author.all,
# then you should specify methods for generating options
:id, # this is name of method that will be called for every row, result will be set as key
:name_with_initial, # this is name of method that will be ...
How to implement an abstract class in ruby?
I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like...
...
Convert Data URI to File then append to FormData
...g around with a few things, I managed to figure this out myself.
First of all, this will convert 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('bas...