which consists of a deep environmental setup and complex relationships between those environments and objects. This script allows me (and I hope countless other Python users) to quickly fire up a Python program or Jupyter notebook, import the script, and start ...
一想,今年强网杯线上赛的时候就有一道名叫 ExtremelySlow 的题目包含了 pyc 隐写,当时用到的是 python 3.10,由于现成的反编译工具还不支持那么高版本直接还原出 python 源码,和队友手逆特别辛苦(摊手.jpg 于是就出一题 pyc 隐写吧! 但是毕竟是校赛,不想出得太难,就没考虑用特别高版本的 Python,比如 Python 3...
Getting Started Beginners Corner Courses Python Machine Learning Time Series Prob and Stats SQL Linear Algebra SQL Subquery – How to write subqueries using simple examplesSQL Subquery, also known as inner query or nested query, are used to query data from one or more tables and then used in ...
Probability Theory, and Mathematical Statistics. These courses have prepared me well for studying advanced computer science because a wide range of methods used in modern computational research is based on mathematics. For example, in machine learning, knowledge from linear algebra and mathematical statis...
Examine the connection.You should see a connection object has been created and the SQL database has one table named “MPG”. Step 2: Write Dplyr, Generate SQL Use the dbplyr backend to auto-magically create SQL for us. DBI has theshow_query()function we can use to generate SQL… ...
于是又根据提示是 python 3.7.11(其实可以看 magic number),是高版本的 python 了,根据经验 header 长度是 16. 于是根据报错的提示魔法改一改第124行这里。 运行得到隐写的结果 $ python3 stegosaurus.py 1.pyc -x Extracted payload: bytearray(b'k5fgb2eur5sty') ...
One often hears that R can not be fast (false), or more correctly that for fast code in R you may have to consider “vectorizing.” A lot of knowledgable R users are not comfortable with the term “vectorize”, and not really familiar with the method. “
Hint3:最后的 AES 跑不出来可能是 python 依赖版本不一样导致锅了,问题不大,找个在线的 AES 解密就行 解题步骤 开局是一张猫猫图。 图片种,binwalk / foremost / 人工手动分离得到一个压缩包,解压得到一个1.pyc。 pyc 字节码反编译可以用 uncompyle6 或者 decompyle3 ...