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    should I learn python then C++? Ask Programming

    December 22, 2020

    should I learn python then C++? Ask Programming

    should I learn python then C++?

    Posted: 22 Dec 2020 10:19 PM PST

    I just recently started learning python and then when I get comfortable with it move on to C++. but I saw a meme on r/programmerhumor of a guy saying that he did the same thing and tried to kill himself. so if someone could explain to me how it's so hard and if I should go through with my plan.

    submitted by /u/Alexrilikepie
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    As a web developer, what should I remove from my computer when giving it back to the company I leave?

    Posted: 22 Dec 2020 09:03 AM PST

    Can anyone help me in generating a signature of a jwt token using python . I am having the private and public key, header and the payload and want to generate the signature for the token with RSASHA256.

    Posted: 22 Dec 2020 10:52 PM PST

    I'm a beginner and want to build a website utilizing multiple databases - Which program should I use?

    Posted: 22 Dec 2020 06:49 PM PST

    Hi all,

    I recently finished college courses in C++ and Java, and learned a little HTML, CSS, JavaScript in the fall of 2019. Given that the C++ and Java classes were more focused on one language and happened more recently, I'd say I'm more comfortable with those.

    I want to build a website for people to compare vehicles side-by-side using price data, along with vehicle specs, and other information. I understand this will require multiple databases to be created or pulled from multiple sources like KBB.

    Would it be best to create it using HTML, CSS, and JavaScript and then embed Java into it with the databases? I'm not necessarily sure how to go about this.

    Thank you!

    submitted by /u/412gage
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    Should I stick with improving Python skills or focus on learning an additional language?

    Posted: 22 Dec 2020 10:51 AM PST

    My work involves only work with Python (building apps and doing analysis) and throughout the years I have been focusing only on improving my skills and knowledge related to it.
    Lately, I have a feeling that one day it won't be enough and I'm thinking of taking up a different language to be more competitive on the market.
    I have noticed that programmers are usually cringing over the people like me since Python is considered to be the easiest language for learning. Would it be difficult to learn a new one?
    I have been looking at JavaScript a lot since it is widely used in the field (I know, not a good argumentation here).

    What's your opinion on this?

    submitted by /u/sint123409878
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    How to use python selenium to enter strings into the title, description in youtube upload page?

    Posted: 22 Dec 2020 09:27 PM PST

    How to really find the id?

    https://ibb.co/YjxxHgM

    should be something like this, right?

    self.driver.find_element_by_xpath('//input[@type="password"]').send_keys(password)

    submitted by /u/hwpcspr
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    What do you call a website like this?

    Posted: 22 Dec 2020 05:28 AM PST

    https://en.instagram-brand.com/

    I mean the functionality where if you keep scrolling down, the left part is stationary while the right part is scrolling down, until you get to the end of the section, and it scrolls down the left part to the next section as well.

    submitted by /u/azcii_
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    Need help downloading a file type, on multiple URLs

    Posted: 22 Dec 2020 09:05 PM PST

    Hello! Basically I'm trying to download some resources (.mp4 file) that are on multiple webpages. I don't want to open every single webpage and click download as it's way too time consuming. I have permission to view the files, but I will need to be logged in (so I may need to specify a cookie or session ID etc.).

    What's the most efficient way of downloading one MP4 file that is on every webpage?

    submitted by /u/SleepingSicarii
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    Is there any working way to convert Excel files to PDF in JAVA, without using premium libraries like aspose/spire?

    Posted: 22 Dec 2020 08:46 PM PST

    The only ones I found read the excel line by line and put that into a PDF. This absolutely messes with the formatting, especially merged cells. This one thing has been messing with me head too much lately.

    submitted by /u/noxer02
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    Apache Server EC2

    Posted: 22 Dec 2020 08:35 PM PST

    Hey!

    So I configured an apache server on my EC2 instance.

    I'm trying to git clone the files to serve a static website into it but it's cloning the entire repository and my index.html file is two levels down.

    How do I get the files directly into var/www/html?

    submitted by /u/AnnualPanda
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    Best Language to use with AIO Bot development?

    Posted: 22 Dec 2020 08:07 PM PST

    Hi all,

    I'm fairly new to programming, and also brand new to this sub.

    Me and my friend are working on a project to develop a full AIO bot (we're both resellers) to compete with the leading bots out there (such as Cyber, Wrath, Velox, and more to name if you're into the reselling market). I have a fair amount of experience with Python. Problem with Python is, it's too slow. In our case, milliseconds mater. I've been doing some research and have found out that although some bots (mostly for single-use, not deployment full scale) are coded in Python, but most are programmed in C# or node.js. I want a good, modern UI to go with my program, and also cross-compatibility with macOS and Windows. With all of those factors taken into account, and given my (somewhat) knowledge of Python, what language would be: a) the fastest, b) the easiest to come across from Python, c) has the best options for powerful, modern UI's that run as excecutables (not on the web).

    ​

    Any help will be appreciated. Thanks!

    submitted by /u/BlackWogPki
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    Phrase for a computer that is completely isolated from a network? I think the phrase contains the word "box" but im not sure, and I dont think it is "black box". For example a computer I own that is used exclusively for writing that is separate from my main work station?

    Posted: 22 Dec 2020 06:27 AM PST

    Might not be exclusive to computers either. Might be for systems in general. This is killing me. I know there is a word or phrase for this type of thing.

    submitted by /u/Cixin97
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    Is there any risk to reusing a variable over and over? Any risk at all?

    Posted: 22 Dec 2020 11:14 AM PST

    I am a bit paranoid with reusing variables as after a Functional Programming video, this is highly highly discouraged. However, when using a while loop, I use an index variable that I set to 0, and at the end using index=index+1.

    This seems safe to use over and over as long as I'm not using a loop inside of a loop.

    Do you agree(programming language is python, but this is also a general question)? Also this is professional programming, so if there is any need to 'be careful' because a large codebase, those concerns apply.

    Thoughts?

    submitted by /u/programmerProbs
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    Embedding SQL statements in C source code (SQLite, MySQL, PostgreSQL, etc)

    Posted: 22 Dec 2020 06:17 PM PST

    If I have a program that utilizes a number of multi-line blocks of SQL code, is there a more elegant method of maintaining them, other than having them in multiple blocks of quoted text?

    For example, using SQLite, there is code such as:

    sqlstmt = "select blah from blah " "where blah = blah " "and blah = blah";

    The problem with this is that you don't get SQL syntax highlighting within the quoted text in most editors. Also when editing the SQL statements, you need to keep mindful of where the C quotes are, vs where the SQL quotes are, etc.

    I'm aware that some DB's have a precompiler which supports an embedded SQL syntax, with a statement such as begin SQL or similar (Oracle Pro C, and PostgreSQL has their own optional version). But this isn't available for all databases that I'm aware of.

    What I thought about doing is putting all the SQL statements into a dedicated .sql file, each statement preceded by a special SQL comment that gives a variable name to that statement. Then having a process in the Makefile which dynamically generates a .c source file that puts the various SQLs in an array with an index matching the array locations with the given variable name specified in the special SQL comment mentioned above.

    Is anything like this commonly used, so that I won't have to re-invent the wheel (or make the code harder for others to figure out)?

    submitted by /u/derekp7
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    Writing Physics Engine for QFT or Quantum Field Theory

    Posted: 22 Dec 2020 06:11 PM PST

    I'm looking to write a physics engine but not for Newtonian physics but actually QFT if people know what that is. There is very little out there after a little research on finding a physics engine for 20th-century physics i.e. General Relativity or Quantum Mechanics/Field Theory. Any recommendations on articles to start with or am I on my own due to this being a very small niche.

    submitted by /u/NeoMatrix12
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    I need to give brain something new...

    Posted: 22 Dec 2020 07:52 AM PST

    Hi,

    I was a programmer until 15 years ago. I used VB.NET.

    I am now retired and my brain needs something to sharpen it up. Which programming language should I learn - purely for the hell of it!

    I'm torn between C#, Python and Java. Again, this is purely for fun, and I'll be using visual studio community (probably).

    submitted by /u/CrazyPops
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    Companies that respect the 40 hour workweek?

    Posted: 22 Dec 2020 09:57 AM PST

    Hi, I'm graduating with a CS degree in about 18 months and I'm trying to figure out what companies I want to keep on my radar for full time dev or software engineer work post-graduation. One of the things I want most from a job is normal, 9-5 hours, but I've heard a lot of horror stories about people who are expected to put in really insane hours. Are there any companies that are known for respecting the 40 hour workweek when it comes to programming jobs?

    submitted by /u/koshthethird
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    what would be the best language as somebody who doesn't know anything about programming/development?

    Posted: 22 Dec 2020 05:25 PM PST

    i am proficient in the stereotypical nerdy subjects (science and math) in school (i am 14), and i was wondering what programming language i should start with. some say that python and javascript are good beginner languages, but i think i might be able to start with a language slightly more complex, such as c/obj-c/c++/c# etc. or ruby, and also was wondering where i would be able to learn this digitally online for free, because my only allowance is in cash, i would not be able to purchase any subscription. i do NOT want to start with java, i have heard this is difficult for college students, let alone a 14-year-old. i may be gifted but i am no prodigy child.

    submitted by /u/jimmybungalo2
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    Parsing JSON in Kotlin?

    Posted: 22 Dec 2020 05:12 PM PST

    I just took a job at a startup. I worked at AWS as a machine learning specialist, so I have experience with pandas in Python. I'm not sure if I'm just super dumb when it comes to web dev and it triggers all sorts of dumb, but I can't seem to parse JSON well. I saw Kragle is similar to Pandas, but I cannot get maven to build it. this is my first time using maven, so it might just be noobish, but when I add repos, it cannot find the Kragle library. Any help? I'm not married to Kraggle, so I'm open for other suggestions! I just need to parse this wordpress data and show after content: and remove "\/"

    submitted by /u/IM_Ogden
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    Does anyone have the Java code for this ln(x) without using math.class?

    Posted: 22 Dec 2020 03:51 PM PST

    Is C++ a Particularly Difficult Language to Learn?

    Posted: 22 Dec 2020 03:28 PM PST

    Hello! I am pursuing a degree in Aerospace Engineering (currently first year) and am taking a programming course next semester for C++. It will also dabble in a couple of other languages but it appears as if it will be heavy in C++.

    Is C++ a particularly difficult language to learn? I have learned a bit of Matlab but am largely inexperienced with programming otherwise.

    Would it be best to try to gain some experience with it before the semester starts (Jan. 19th)? I'm assuming that it won't be too in depth since it is not a traditional programming course but I don't want to go in unprepared. Thanks!

    submitted by /u/SubsonicApple
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    How can a synchronous function have an async task in it and still be called synchronous.

    Posted: 22 Dec 2020 03:26 PM PST

    While working with JS, my boss told me that a synchronous function can have a async task in it and it's still considered sync. I don't understand it because if it has a async task in it, it'll not wait for that to finish before moving on, this itself being async. Here's what I think what the given task looks like vs what a sync task should look like

    submitted by /u/Klingonadvocate
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    Python script help, raspi shuffler

    Posted: 22 Dec 2020 09:00 AM PST

    I recently made a Seinfeld shuffler as a gift and this is my first experience with programming. I used this tutorial. I would like to change a few things in the code. When the pi turns on for some reason I have to push the button 3 times before it will play an episode. Is this just system lag, or is my code telling the pi it needs to measure 2 button presses before initiating the button script? Also I'd like the videos to continue to the next episode without having to press button again, while still having the option to shuffle on short press.
    Here is the python script from tutorial:

    #!/usr/bin/python import RPi.GPIO as GPIO import time import os import random buttonPin = 17 directory = "/home/pi/simpsons/" GPIO.setmode(GPIO.BCM) GPIO.setup(buttonPin, GPIO.IN) def playEpisode(): episode = random.choice(os.listdir(directory)) cmd = "nohup omxplayer -b -o hdmi "+"'"+directory+episode+"' &" os.system('killall omxplayer.bin') os.system(cmd) try: # measure the time the button is pressed as timeA GPIO.wait_for_edge(buttonPin, GPIO.RISING) timeA = time.time() # measure the time the button is released as timeB GPIO.wait_for_edge(buttonPin, GPIO.FALLING) timeB = time.time() # take the first time away from the second time, to get the difference timeDifference = timeB - timeA # if the difference in times is more than 4 seconds, shutdown, or else play an episode and restart this script if timeDifference > 4: os.system('sudo shutdown now') else: playEpisode() # point this to the location of this file os.system('sudo python /home/pi/buttonscript.py') except KeyboardInterrupt: GPIO.cleanup()
    submitted by /u/not__nt
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    Need Help with Android Studio

    Posted: 22 Dec 2020 02:18 PM PST

    I am new to Android Studio and bought a book with examples. I coded an example which has a button that is clicked to execute a function in the main activity module. The problem is that when the button is clicked it cannot find the function. I believe that it because the function in the main module is greyed out because it is not called in the main module. It is called from a menu module that is separate. I don't know how to prevent the called function from being greyed out. The book doesn't mention this.

    submitted by /u/jerrygns
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    Does SourceForge provide a svn-to-git compatibility layer like GitHub?

    Posted: 22 Dec 2020 01:44 PM PST

    I'm thinking of migrating a Svn repository at SourceForge to Git. However, I have Svn clients that need to communicate with the repo. Since GitHub provides basic support for Svn clients, I'm considering moving to GitHub.

    My question is, does SourceForge provide a similar "Svn compatibility layer" for Git repos? If it does, I might consider staying with SourceForge.

    submitted by /u/lifeeraser
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