Go Against Javascript

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Summary Go vs C++

Go is a simple, compact, and procedural general-purpose language. C++ is a fast and complex generic programming language. Go and C++ are both statically typed and have strong user communities. C++ is used in a wide variety of applications, while Go is used more for web backends.

C++ is widely used. As a system programming language, it serves as the backbone of a large number of programs, computer tasks, and other programming languages. It sits on a myriad of platforms and is used to develop anything from video games to programs that pilot space probes. It has been in use for a long time and has been put to the test.

Go (or Golang) programming is almost new to the programming scene. Made by Google, it aims to replace C++ as a generic systems programming language and was created specifically to take that place. So which is better: the loser or the champion of aging

Go ( golang?) Programming

go logo

As programming languages ‚Äã‚Äã(no pun intended) go on, Golang is pretty new. Go was created by Rob Pike, Robert Griesemer and Ken Thompson specifically for Google. It is a statically typed, compiled, and generic programming language, very similar to C++. The language’s compiler was originally written in C but is now also written in Go, which retains the self-hosted language.

Go, along with many of its IDEs and libraries, is also distributed under an attractive open source license.

Go is designed for modern multicore processors. The language supports and surpasses concurrent programming; which means it can run multiple processes at the same time using different threads rather than running a single task at a time. It also offers a deferred garbage collector which performs memory management to prevent memory leaks.

C + + programming

 C++ Logo (C Plus Plus)

C++ is one of the most popular programming languages used worldwide. It is a compiled, mid-level, object-oriented programming language designed for performance and efficiency. C++ is built for everything. Fast, unrestricted C++ (and its cousins C) forms the backbone of much of the computing world.

C++ was created some time ago, in 1979, when a Danish computer scientist named Bjarne Stroustrup wanted to make an extension to C which would allow it to use classes. C++ is now used everywhere. It is even used to write compilers and interpreters for other languages.

Comparison between Go and C++

Now that we know something on the origins of each language, let’s put them together in the ring and see how they fit into the following categories:

Go vs C++: speed and readability

C++ was defined as a language to be done same, so even if it doesn’t have a lot of features, you can build all the features you want if you know the language well enough.

Similarly, C++ is considered a mid-level language , so it’s not just linguistic and intuitive like high-level languages, but not as crass as, say, an assembly language.

However, this means that it is more complex to code than a higher level language. Something that can take a few lines in a language like Python can take a dozen in C++.

The Go code is more compact. It is built around simplicity and scalability. Eliminate unnecessary brackets and brackets, but leave even less room for error.

It is also statically typed in C++, which means that the programmer must declare each type of variable. However, Go is much easier to learn and code than C++ because it is simpler and more compact. It also has some built-in features that don’t need to be written for every project (like garbage collection) and those features work great.

Another consideration is compilation time. C++ has a notoriously slow build time. While compilation time depends on what you actually code, Go is significantly faster to compile on C++.

Since your code must be compiled before execution and compiled again after each change you make, compilation time is important for encoding speed. When you have to run your code over and over again to find the missing semicolon in your C++ code, compilation times add up quickly.

The data structure is also worth mentioning. C++ exhibits the well-known and familiar object-oriented structure, while Go is a procedural and concurrent programming language. Unlike C++, Go does not have classes with constructors and deconstructors.

C++ vs Go: performances

Go is very fast compared to other high level programming languages. Its compilation, static types, and efficient garbage collector make it blazingly fast. GB is also good for memory management; has pointers instead of references. Golang can boast speeds nearly four times faster than his portrayed and dynamic friends.

That said, very little can touch C++ (and most C languages) when it comes to speed. All the time spent coding and compiling pays off here. Because C++ is a difficult mid-level language to code, it is closer to machine code: and when compiled, it matches that machine code better.

It also lacks features that make coding easier. but add drag to the resulting program. When it comes to running, C++ is lightweight, lightweight, and fast.

Go comes with all of these things that made your life easier during the coding process, so it runs slower. One of the most important things is its slow, but excellent garbage collection.

While garbage collection is normally a call, slow-performing wake-up language signaling, Go is optimized. However, it is still a garbage collector and still slows down your code compared to not having one at all.

To be honest, Go isn’t much slower than C++. Unless your program needs to maximize speed first and foremost, Go will perform as well as C++. ’The difference in speed is unlikely to be large enough to be noticed unless you do some massive calculations.

Go vs C++: security

Some of the worst security holes in C language programs involve the use of buffer overflows, that is say when a buffer is loaded with too much information and that information ends up being written to adjacent memory. This can create a crash or, as many have discovered, a hole with which to access a program once it is sealed.

Go has built-in limitations to help avoid this problem. For example, Go does not allow pointer arithmetic. You cannot iterate through arrays using values ‚Äã‚Äãin the pointer (you must to access these items through the index.) Doing things this way forces the programmer to use method that includes checking bounds, which prevents an overflow.

It should be noted, however, that buffer overflows are not an inherent vulnerability in all C++ programs. The forced methodology in Go is also possible in C++, the only difference is that C++ allows a programmer to be lazy and create these vulnerabilities.

C++ vs Go: application

Unlimited enforcement is one of the main reasons C++ still holds its place against Go. C + + is an open book. A programmer and subsequently a program can access every part of the source code itself and the machine that runs it.

It doesn’t even have built-in features to enable or disable, it’s a clean slate for creating programs and systems. This is why it is even possible to create an operating system in C++; you have access to everything.

Go, on the other hand, is more of a sealed system. It is much more difficult to access the inner workings of Go. Take for example the famous Go garbage collector which works so well. If a programmer wants to change how this garbage collector works, or if it is present, it will be difficult for him to do so.

Although Go is an excellent language, it is not designed to run as " low " as C++. For this reason, Go is not as widely used as C++ and currently the most common place to see Go is the web backend.

Go vs C++: Community

C++ is in I’ve been around for a while. It has a great community behind it and so there are answers to almost any question you might have for C++. If you need an integration, someone has probably done it, or more likely, anything you integrate already has functionality to integrate with the code as you write.

However, there is a price tag attached. C++ is old,many of its libraries, modules, and tutorials are out of date. It is up to you to decide to find a solution that is not alone. applicable but also modern.

Go is newer, with fewer use cases and fewer people behind the tongue. Until recently, documentation was so scarce that many programmers were not interested in the language.

However, although its library is smaller than that of C++, Go is a newer language. It doesn’t have all of the dusty old dev kits, tips, and additions from 1998 still lurking around the web. what you might find for Go will be new and almost state of the art. All existing code for Go works and is written to accommodate modern development standards.

the G community too. or is it more alive is a new language, the community around it is always excited to find out what it can do and all the existing content that C++ already has is what is being built by Go programmers and developers. It’s exciting to be part of a new language where there are still corners to explore and features to develop.

If developing for one of the two languages ‚Äã‚Äãsounds like fun, feel free to choose one over the other. While Go may not replace C++ anytime soon, it is still used frequently and is in high demand. While they may have their different strengths as languages, they compare well to each other and you can’t really go wrong with either.


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Go Against Javascript __del__: Questions


How can I make a time delay in Python?

5 answers

I would like to know how to put a time delay in a Python script.


Answer #1

import time
time.sleep(5)   # Delays for 5 seconds. You can also use a float value.

Here is another example where something is run approximately once a minute:

import time
while True:
    print("This prints once a minute.")
    time.sleep(60) # Delay for 1 minute (60 seconds).


Answer #2

You can use the sleep() function in the time module. It can take a float argument for sub-second resolution.

from time import sleep
sleep(0.1) # Time in seconds

Go Against Javascript __del__: Questions


How to delete a file or folder in Python?

5 answers

How do I delete a file or folder in Python?


Answer #1

Path objects from the Python 3.4+ pathlib module also expose these instance methods:


Removing white space around a saved image in matplotlib

2 answers

I need to take an image and save it after some process. The figure looks fine when I display it, but after saving the figure, I got some white space around the saved image. I have tried the "tight" option for savefig method, did not work either. The code:

  import matplotlib.image as mpimg
  import matplotlib.pyplot as plt

  fig = plt.figure(1)
  img = mpimg.imread(path)

  extent = ax.get_window_extent().transformed(fig.dpi_scale_trans.inverted())
  plt.savefig("1.png", bbox_inches=extent)


I am trying to draw a basic graph by using NetworkX on a figure and save it. I realized that without a graph it works, but when added a graph I get white space around the saved image;

import matplotlib.image as mpimg
import matplotlib.pyplot as plt
import networkx as nx

G = nx.Graph()
pos = {1:[100,120], 2:[200,300], 3:[50,75]}

fig = plt.figure(1)
img = mpimg.imread("image.jpg")

nx.draw(G, pos=pos)

extent = ax.get_window_extent().transformed(fig.dpi_scale_trans.inverted())
plt.savefig("1.png", bbox_inches = extent)


Answer #1

You can remove the white space padding by setting bbox_inches="tight" in savefig:


You"ll have to put the argument to bbox_inches as a string, perhaps this is why it didn"t work earlier for you.

Possible duplicates:

Matplotlib plots: removing axis, legends and white spaces

How to set the margins for a matplotlib figure?

Reduce left and right margins in matplotlib plot


Answer #2

I cannot claim I know exactly why or how my “solution” works, but this is what I had to do when I wanted to plot the outline of a couple of aerofoil sections — without white margins — to a PDF file. (Note that I used matplotlib inside an IPython notebook, with the -pylab flag.)

plt.subplots_adjust(top = 1, bottom = 0, right = 1, left = 0, 
            hspace = 0, wspace = 0)
plt.savefig("filename.pdf", bbox_inches = "tight",
    pad_inches = 0)

I have tried to deactivate different parts of this, but this always lead to a white margin somewhere. You may even have modify this to keep fat lines near the limits of the figure from being shaved by the lack of margins.


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