流行編程語言

There has never been a unanimous agreement on what the most popular programming languages are, and probably never will be. Yet we believe that there is merit in trying to come up with ways to rank the popularity of programming languages. It helps us to see the trends over time and gives us hints as to what to focus on. In the ever-changing world of technology, it is important to stay ahead of the curve.

關(guān)于什么是最流行的編程語言，從未達(dá)成一致意見，也許永遠(yuǎn)不會(huì)。 但是，我們認(rèn)為嘗試提出一種方法來對編程語言的流行度進(jìn)行排名是有好處的。 它可以幫助我們了解一段時(shí)間內(nèi)的趨勢，并為我們提供有關(guān)重點(diǎn)的提示。 在瞬息萬變的技術(shù)世界中，保持領(lǐng)先地位很重要。

The analysis that follows is on data from Stack Overflow (SO). The SO website is arguably the biggest and the most popular Q&A website in the developer community (“developer” in the general sense of anyone who writes code). Currently, it has about 10 million visits per day and has had 12.6 million users who were active on the website beyond simple visits (e.g. posted a question/answer or made a comment/edit). We believe that ranking programming languages based on their popularity on SO is a good estimate of their actual popularity.

接下來的分析是關(guān)于堆棧溢出(SO)中的數(shù)據(jù)的。 SO網(wǎng)站可以說是開發(fā)人員社區(qū)中最大和最受歡迎的問答網(wǎng)站(一般來說，任何編寫代碼的人都稱為“開發(fā)人員”)。 目前，它每天的訪問量約為1000萬，除簡單的訪問(例如，發(fā)布問題/回答或發(fā)表評(píng)論/編輯)外，已有1,260萬用戶活躍在網(wǎng)站上。 我們認(rèn)為，根據(jù)編程語言在SO上的流行度來排名是對它們實(shí)際流行度的一個(gè)很好的估計(jì)。

We have calculated a popularity index for programming languages which is the average of three factors: Number of questions asked daily, number of daily distinct users and view count of questions. To identify a language, we consider the tags assigned to the posts. For example for JavaScript we consider the following tags:

我們已經(jīng)計(jì)算出編程語言的受歡迎程度指數(shù) ，該指數(shù)是三個(gè)因素的平均值：每天提出的問題數(shù)量，每天的獨(dú)立用戶數(shù)量以及問題的查看數(shù)量。 為了識(shí)別語言，我們考慮分配給帖子的標(biāo)簽。 例如，對于JavaScript，我們考慮以下標(biāo)記：

tags like ‘%javascript%’
or tags like ‘%jquery%’
or tags like ‘%js>%’ — tag ends with ‘js’ e.g. ‘node.js’
or tags like ‘%extjs%’ — includes ‘extjs4’ and others

For daily question count, we calculate the number of questions that were asked in each day for each programming language.

對于每日的問題計(jì)數(shù)，我們計(jì)算每種編程語言每天要提出的問題數(shù)量。

To calculate the Distinct Users Count, we count the number of distinct users who asked/answered a question, posted a comment or edited a question/answer for each programming language in each day.

為了計(jì)算“不同用戶數(shù)”，我們計(jì)算每天針對每種編程語言詢問/回答問題，發(fā)表評(píng)論或編輯問題/答案的不同用戶數(shù)。

Every post in SO has an attribute showing how many times the post has been viewed. We normalize this number by dividing it by the number of days that the post has been visible. This gives us the Normalized View Count for that post. We then sum the view counts for each programming language for each day. Note that since the variance of the normalized view count for the posts in the most recent month is high, we do not include these posts in the calculation. As a result, this measure is one month behind the other two measures.

SO中的每個(gè)帖子都有一個(gè)屬性，顯示該帖子被查看了多少次。 我們將其除以可以看到帖子的天數(shù)來歸一化。 這為我們提供了該帖子的標(biāo)準(zhǔn)化視圖計(jì)數(shù)。 然后，我們將每天每種編程語言的觀看次數(shù)相加。 請注意，由于最近一個(gè)月的帖子的標(biāo)準(zhǔn)化視圖計(jì)數(shù)差異很大，因此我們在計(jì)算中不包括這些帖子。 結(jié)果，該措施比其他兩項(xiàng)措施落后了一個(gè)月。

For further details on how the index is calculated see the GitHub repository.

有關(guān)如何計(jì)算索引的更多詳細(xì)信息，請參見GitHub存儲(chǔ)庫 。

Let’s now explore trends using some Line Charts. Note that you can follow along using this interactive dashboard (from the top-right choose the desired filters.)

現(xiàn)在讓我們使用一些折線圖探索趨勢。 請注意，您可以繼續(xù)使用此交互式儀表板 (從右上角選擇所需的過濾器。)

Screenshot of the dashboard (Image by author)儀表板的屏幕快照(作者提供的圖像)

Note: The following analysis is based on the SO data until the end of May 2020. The data behind the interactive dashboard will be updated each month.

注意：以下分析基于截至2020年5月的SO數(shù)據(jù)。交互式儀表板后面的數(shù)據(jù)將每月更新。

前五 (Top Five)

Starting with the top five most popular programming languages (based on our index), if we look at the yearly data, we see that JavaScript has held the crown for the past 10 years, although Python now a close second, is catching up quickly. The other three, namely Java, SQL and HTML/CSS have been slightly declining in popularity in the past seven years.

從年度最流行的五種編程語言(根據(jù)我們的索引)開始，如果我們查看年度數(shù)據(jù)，我們會(huì)發(fā)現(xiàn)JavaScript在過去10年中一直保持領(lǐng)先地位，盡管Python現(xiàn)在緊隨其后，正在Swift趕上。 在過去的七年中，Java，SQL和HTML / CSS等其他三種語言的普及率略有下降。

Yearly Top Five (Image by author)年度前五名(作者提供)

If we look at the quarterly data, JavaScript is still at the top, although it is neck and neck with Python. The interesting part is the monthly data. May 2020 was the first time in the past 10 years that JavaScript lost its position at the top. Given the pace of growth of Python, it seems this situation is going to last for some time.

如果我們查看季度數(shù)據(jù)，則JavaScript仍處于頂部，盡管與Python并駕齊驅(qū)。 有趣的部分是每月數(shù)據(jù)。 2020年5月是過去10年中JavaScript首次失去其最高職位的位置 。 考慮到Python的增長速度，這種情況似乎將持續(xù)一段時(shí)間。

Image by author)作者提供圖片 )

數(shù)據(jù)科學(xué) (Data Science)

Data Science has been a hot topic in recent years. In the following chart we can see that Python and R have had high growth rates in the past years. Scala has kept its popularity more or less, and Julia’s popularity has been minuscule so far. Note that to make it a fair comparison, only the data science part of Python is considered for this comparison (see the GitHub Repository for more details).

數(shù)據(jù)科學(xué)一直是近年來的熱門話題。 在下面的圖表中，我們可以看到Python和R在過去幾年中都有很高的增長率。 Scala或多或少地保持了它的受歡迎程度，到目前為止，Julia的受歡迎程度很小。 請注意，為了進(jìn)行公平的比較，僅考慮將Python的數(shù)據(jù)科學(xué)部分用于此比較(有關(guān)更多詳細(xì)信息，請參見GitHub Repository)。

Image by author)作者提供 )

關(guān)系數(shù)據(jù)庫管理系統(tǒng) (RDBMS)

Among Relational Database Management Systems (RDBMS), MySQL is still the most popular, although its popularity has been declining. The same applies to SQL Server. On the other hand, PostgreSQL’s popularity has been constantly increasing in the past decade. There hasn’t been much change in popularity of Oracle.

在關(guān)系數(shù)據(jù)庫管理系統(tǒng)(RDBMS)中，盡管MySQL的受歡迎程度一直在下降，但它仍然是最受歡迎的。 同樣適用于SQL Server。 另一方面，PostgreSQL流行在過去十年中一直在不斷增加。 Oracle的流行程度并沒有太大變化。

Image by author)作者提供的圖片 )

移動(dòng)開發(fā) (Mobile Development)

Regarding Mobile development languages, we see some considerable changes. Swift was introduced in June 2014, which caused a major hit on popularity of Objective-C. A similar story happened for Kotlin and Java (mobile). In 2017 Google included Kotlin in Android Studio and Since May 2019, it is the preferred programming language for Android app developers.

關(guān)于移動(dòng)開發(fā)語言，我們看到了一些重大變化。 Swift于2014年6月推出，這極大地影響了Objective-C的普及。 Kotlin和Java(移動(dòng))也發(fā)生了類似的故事。 2017年，谷歌將Kotlin包含在Android Studio中，自2019年5月以來，它是Android應(yīng)用程序開發(fā)人員首選的編程語言。

Image by author)作者提供 )

比賽吧！ (Let’s Race!)

To see the calculated popularity index in action over the past 10 years, click on the play button at the bottom-left of the chart below. You can also use the slider at the bottom to move to a specific time range.

要查看過去10年中實(shí)際計(jì)算出的受歡迎程度指數(shù)，請點(diǎn)擊下面圖表左下方的播放按鈕。 您也可以使用底部的滑塊移動(dòng)到特定時(shí)間范圍。

Note: The chart will be updated with new data one month after the beginning of every quarter (as explained above, the ViewCount measure lags one month behind the other two measures, which causes the index to lag one month behind as well, as it is the average of the three measures).

注意：圖表將在每個(gè)季度開始的一個(gè)月后使用新數(shù)據(jù)進(jìn)行更新(如上所述，ViewCount度量值比其他兩個(gè)度量值落后一個(gè)月，這會(huì)使索引也滯后一個(gè)月)。這三個(gè)指標(biāo)的平均值)。

(Created with Flourish bar chart race)(使用蓬勃發(fā)展的條形圖競賽創(chuàng)建)

If you have suggestions for improving the index, please let me know, either in the comments or by creating an issue in the GitHub Repository.

如果您有改進(jìn)索引的建議，請?jiān)谠u(píng)論中或通過在GitHub存儲(chǔ)庫中創(chuàng)建問題來通知我。

• Interactive Dashboard

  互動(dòng)儀表板

• GitHub Repository

  GitHub儲(chǔ)存庫

翻譯自: https://towardsdatascience.com/popularity-ranking-of-programming-languages-72bcf697ea20

流行編程語言

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