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What are the specific differences between .msi and setup.exe file?

... An MSI is a Windows Installer database. Windows Installer (a service installed with Windows) uses this to install software on your system (i.e. copy files, set registry values, etc...). A setup.exe may either be a bootstrapper or a non-msi installer. A non-msi installer will extract ...
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How do I include a pipe | in my linux find -exec command?

...ld result in only a single agrep process being spawned which would process all the output produced by numerous invocations of zcat. If you for some reason would like to invoke agrep multiple times, you can do: find . -name 'file_*' -follow -type f \ -printf "zcat %p | agrep -dEOE 'grep'\n" | s...
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django test app error - Got an error creating the test database: permission denied to create databas

...3306', } } and my docker-compose.yml looks as follows: version: '3' services: web: build: . command: './wait_for_db_and_start_server.sh' env_file: env_web working_dir: /project_name links: - db volumes: - .:/volume_name ports: ...
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Getting distance between two points based on latitude/longitude

...just on answering the specific bug OP ran into. It's because in Python, all the trig functions use radians, not degrees. You can either convert the numbers manually to radians, or use the radians function from the math module: from math import sin, cos, sqrt, atan2, radians # approximate radiu...
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

...or v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x. Wh...
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al

I just discovered a logical bug in my code which was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND . ...
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Why doesn't Python have a sign function?

... it wasn't accepted, because they didn't agree on what it should return in all the edge cases (+/-0, +/-nan, etc) So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which sometimes might require the...
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What are the most common naming conventions in C?

...I follow the GTK+ coding convention, which can be summarized as follows: All macros and constants in caps: MAX_BUFFER_SIZE, TRACKING_ID_PREFIX. Struct names and typedef's in camelcase: GtkWidget, TrackingOrder. Functions that operate on structs: classic C style: gtk_widget_show(), tracking_order_p...
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Permutations in JavaScript?

... If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation var permArr = [], usedChars = []; function permute(input) { var i, ch; for (i = 0; i < inp...
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How can I custom-format the Autocomplete plug-in results?

...ue, redefining an internal function in a library, I have come to learn is called monkey-patching. Here's how I did it: function monkeyPatchAutocomplete() { // don't really need this, but in case I did, I could store it and chain var oldFn = $.ui.autocomplete.prototype._renderItem; ...