Sometimes you need to do what you need to do – use Regular Expressions for a trivial task. Now, imagine that you have some big text and you need to extract all substrings from the text between two specific words …
Python – Find All Substrings Between Two Character Pairs with RegEx Read more →
Reading from a pdf is actually quite an easy task with Python. If the PDF is of course “readable”, e.g. made from a word processor. The first thing to do is to install Tika and Java: pip install tika conda …
Ok, the title became too lengthy, but the idea is to try to duplicate the beauty of what this formula does: =INDEX(myTable[#All],MATCH(1, (myTable[[#All],[Profit]]=C9)* (myTable[[#All],[Currency]]=D9)* (myTable[[#All],[Value]]=B9),0),1) And this is the cell of the formula above: Anyway, the strange thing was that …
VBA – VLookup with Multiple Criteria in Excel without Excel Formula but with VBA Read more →
Bash Commands yarn add vue@next yarn add vuex@next yarn add vue-router@next yarn add -D @vue/compiler-sfc Changes in src/main.js Additionally, change main.js from this: import Vue from ‘vue’ import App from ‘./App.vue’ import router from ‘./router’ import store from ‘./store’ Vue.config.productionTip …
After writing about Default Dictionary in Python some time ago, now it is time to take a look at the ordered dictionary and the heap queue as these are built-in structures, coming out of the box. And they are fancy. …
Reading and writing to an Excel ActiveX textbox with Python can be fun. If you really do not have anything better to do. Anyway, if this is your current task, you are on the correct place to see how it …
Python – Read and Write to Excel ActiveX Textbox Read more →
Docstrings in Python are actually quite simple – the are 3 times this “”” and the code between opening and closing them can be formatted in any possible way. The reason I have decided to dedicate a whole article to …
If you have ever dreamed that it will be possible to fill out an Excel cell with a picture, using Python, then you should probably reevaluate your dreams. Seriously, who dreams of something like that? Without further dreaming, the code …
Python – How to fill Excel cell with image, using python Read more →
Logging in Python is beautifully implemented with the logging library – https://docs.python.org/3/howto/logging.html It simply does anything you need and you do not need to write something yourself, like I did some time ago here in my VBA Boilerplate. So, if …
Python – Logging in Python. Formatting with Black Read more →
Ok, so you probably have heard about set in Python – it is a collection with non-repeatable elements – as if you are a stamp collector and you need to collect only the unique stamps into your album. However, in …
Python – Multisets – A class to count the elements of a set Read more →
Functions in Python are objects. If this is the first time you read this sentence, then you will not get a lot from this article, but it will show you, that there is quite a lot to learn about Python. …
Python – Writing a Logger in Python with a decorator Read more →
Have you seen the error below? Traceback (most recent call last): File “C:/Users/foo/PycharmProjects/pythonProject3/main.py”, line 29, in <module> main() File “C:/Users/foo/PycharmProjects/pythonProject3/main.py”, line 19, in main a[‘foo’] += 5 KeyError: ‘foo’ Of course you have. And you know, that it is because …
Python – DefaultDict Object. Or how to avoid the Key Error. Read more →
Working with dictionaries in VBA is a bit more unpleasant, than working with dictionaries with almost any other language. Because of the VBA IDE, you only see the keys, but not the values. Thus, if you have experience with Visual …
VBA – Printing Dictionary of a Dictionary of a Dictionary… Read more →
Saving Excel files, when working with VBA is unfortunately a bit of pain the ass. You always need to make a new version every now and then, because it does not matter how seasoned VBA developer you are, still there …
Transforming Range to Array in VBA is actually a one liner – we take the range and we assign it to a variant: Dim myRange As Range Set myRange = Range(“a1″).CurrentRegion Dim myArray As Variant myArray = myRange The “strange” …
VBA – Ubound of Multidimensional Array or How to Get What We Need? Read more →
Intersection of dictionary (or of any two lists) is a list with elements, that are present in both other lists. Thus, if we have the following 3 dictionaries in Python: dict_a = dict([(‘aa’, 4139), (‘bb’, 4127), (‘cc’, 4098)]) dict_b = …
Class variables vs instance variables could seem a bit strange, if you have no OOP experience, but after a few thausand lines of code they become logical. So, in around two days of programming you will be getting it intuitively …
__repr__ and __str__ dunders are quite similar in Python. If you need a quick summary of these 2, then these 3 points will be enough: __repr__ dunder presents the class object, whenever it is called by the terminal __str__ dunder …
Python – Difference between __str__ and __repr__ Read more →
Everyone, who has worked with Excel more than a year knows that the comments are actually quite useful – they allow us to put info data into a cell, without actually putting data in the cell. However, the standard way …
What is the difference between IIF() and IF() in #VBA? The idea of IIF() is that it evaluates both the True and the False part of the condition, before evaluating the condition itself. Thus, if the False part throws an …
Hashing strings in general is useful. It is one of the good things, that we get from granted by the various .Net libraries and we should not try to do on our own, as the HMACSHA1 is quite a powerful …
Converting Excel column number to letter and letter to column number is actually something that every VBA developer does at least once a day. The easiest way is probably to use the property .Column or .Address of the range object …
VBA – Convert Excel Column Number to Letter and Letter to Column Number Read more →
Everyone knows the feeling that they need to use the =Index(Match(),Match()) formula in Excel and something tiny was not enough to reach their goal. Some time ago I knew that something is missing I was trying to “filter” with the …
Ok, if you are visiting this article, then probably the reason is that you have received the following messagebox upon openning of Excel: And after looking all over your cells, with both VBA and “Find”, you have not found anything …
How to fix – This workbook contains one or more links that cannot be updated… Read more →
Nested dictionary means a dictionary within a dictionary. Some days ago last week I was trying to build one and it took me some solid 15 minutes to do it, thus I have decided that it is worth an article …
The difference between json.dump and json.dumps is actually quite visible: dump() – dumps into a file or StringIO dumps() – dumps a string, that could be printed Still, I am going to give a few example with these, as the …