How to run a PowerShell script

Launch Windows PowerShell, and wait a moment for the PS command prompt to appear Navigate to the directory where the script livesPS> cd C:\my_path\yada_yada\ (enter) Execute the script:PS> .\run_import_script.ps1 (enter) What am I missing?? Or: you can run the PowerShell script from cmd.exe like this: according to this blog post here Or you could even run your PowerShell script from … Read more

How do you auto format code in Visual Studio?

To format a selection: Ctrl+K, Ctrl+F To format a document: Ctrl+K, Ctrl+D See the pre-defined keyboard shortcuts. (These two are Edit.FormatSelection and Edit.FormatDocument.) Note for macOS On macOS, use the CMD ⌘ key instead of Ctrl: To format a selection: CMD ⌘+K, CMD ⌘+F To format a document: CMD ⌘+K, CMD ⌘+D

What does “Fatal error: Unexpectedly found nil while unwrapping an Optional value” mean?

Background: What’s an Optional? In Swift, Optional<Wrapped> is an option type: it can contain any value from the original (“Wrapped”) type, or no value at all (the special value nil). An optional value must be unwrapped before it can be used. Optional is a generic type, which means that Optional<Int> and Optional<String> are distinct types — the type inside <> is called the Wrapped type. Under the hood, … Read more

Error: No viable overloaded =

Your code should be You are allocating an object on heap using new operator which returns pointer to the object created and you are trying to assign a pointer to an object. Better alternative here would be allocate object on stack which you are doing it already. MemberListEntry mEntry(id, port); This creates and initializes the … Read more

When does a process get SIGABRT (signal 6)?

abort() sends the calling process the SIGABRT signal, this is how abort() basically works. abort() is usually called by library functions which detect an internal error or some seriously broken constraint. For example malloc() will call abort() if its internal structures are damaged by a heap overflow.

No module named serial

and I got a question when I run my Python code. I installed Python 2.7 on Windows 7, bit 64. I got an error “No module named serial” when I compiled my code: I tried many ways to crack this problem, such as installed Canopy to setup virtual environment, make sure ‘pip’ is there, no … Read more