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How to sort in-place using the merge sort algorithm?
...rst, naive in-place merge such as described here isn't the right solution. It downgrades the performance to O(N2).
The idea is to sort part of the array while using the rest as working area for merging.
For example like the following merge function.
void wmerge(Key* xs, int i, int m, int j, int...
Why is null an object and what's the difference between null and undefined?
... I don't know.
In short; undefined is where no notion of the thing exists; it has no type, and it's never been referenced before in that scope; null is where the thing is known to exist, but it's not known what the value is.
One thing to remember is that null is not, conceptually, the same as false ...
How can I change the file type association of an existing file in WebStorm?
I accidentally created a file with no extension and I chose the wrong file type association. Text Document I think. I renamed it to have the .js extension which is what I wanted, but now it's stuck without any syntax highlighting. WebStorm doesn't treat it as a javascript file. I can't find anyw...
What is JSONP, and why was it created?
.... Wikipedia's document on JSON is (was) the top search result for JSONP. It says this:
10 Answers
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Going from a framework to no-framework [closed]
...eveloping in PHP for about 8 years as a hobby. In 2009, I picked up codeigniter and since then I've not managed to get a single project developed.
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What methods of ‘clearfix’ can I use?
...on the design being produced, each of the below clearfix CSS solutions has its own benefits.
The clearfix does have useful applications but it has also been used as a hack. Before you use a clearfix perhaps these modern css solutions can be useful:
css flexbox
css grid
Modern Clearfix Solutio...
“No X11 DISPLAY variable” - what does it mean?
...h
setenv DISPLAY :0.0
before running your app.
Actually, I'm surprised it isn't set automatically. Are you trying to start this application from a non-graphic terminal? If not, have you modified the default .profile, .login, .bashrc or .cshrc?
Note that setting the DISPLAY to :0.0 pre-suppose...
Is it possible to set a custom font for entire of application?
... certain font for my entire application. I have .ttf file for the same.
Is it possible to set this as default font, at application start up and then use it elsewhere in the application? When set, how do I use it in my layout XMLs?
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Java and SQLite [closed]
...provides. What driver/connector library is out there to connect and use SQLite with Java.
10 Answers
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What makes Lisp macros so special?
.... Let's invoke our suspension of disbelief and pretend Lisp has a very limited loop macro that just does iteration and no easy way to do the equivalent of list comprehensions.
In Lisp you could write the following. I should note this contrived example is picked to be identical to the Python co...