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Elva Prohaska

Questions by Elva Prohaska

What is the meaning of android.intent.action.MAIN??

I have seen so many different confusing explenations.. <intent-filter> <action android:name="android....

MIPS: Integer Multiplication and Division?

So I'm building a calculator program in MIPS and I'm trying to write the multiply and divide functions. Currently ...

Where is the web server root directory in WAMP??

Also is the web server root directory the place where you put your site files and later acces them with localhost/fi...

'React' must be in scope when using JSX react/react-in-jsx-scope??

I am an Angular Developer and new to React , This is simple react Component but not working import react , { Compo...

Django: how to check if username already exists?

i am not very advanced user of Django. I have seen many different methods online, but they all are for modified mode...

pandas get column average/mean?

I can't get the average or mean of a column in pandas. A have a dataframe. Neither of things I tried below gives me ...

TypeError: len() of unsized object when comparing and I cannot make sense of it?

I am trying to select sensors by placing a box around their geographic coordinates: In [1]: lat_min, lat_max = lats...

C++ strings and pointers?

I'm learning C++ and currently I'm working with strings and pointers. I'm following an exercise book and for one of...

Delete worksheet in Excel using VBA?

I have a macros that generates a number of workbooks. I would like the macros, at the start of the run, to check if ...

How do I get time of a Python program's execution??

I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to fini...

What exactly does pygame.display.set_mode() do??

I've recently started to play around with the pygame python library and I just wanted to see if I was understanding ...

sed whole word search and replace?

How do I search and replace whole words using sed? Doing sed -i 's/[oldtext]/[newtext]/g' <file> will als...

How to import Google Web Font in CSS file??

I'm working with a CMS which I only have access to the CSS file. So, I can't include anything thing in the HEAD of t...