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How to enumerate an enum with String type?
...n, you may specify the conformance directly in the declaration:
enum Suit: String, CaseIterable { case spades = "♠"; case hearts = "♥"; case diamonds = "♦"; case clubs = "♣" }
Then the following code will print all possible values:
Suit.allCases.forEach {
print($0.rawValue)
}
Compatib...
How to check if a file exists in Go?
...xists reports whether the named file or directory exists.
func Exists(name string) bool {
if _, err := os.Stat(name); err != nil {
if os.IsNotExist(err) {
return false
}
}
return true
}
The example is extracted from here.
...
C library function to perform sort
... (int *) a;
int *y = (int *) b;
return *x - *y;
}
2. Comparing a list of strings:
For comparing string, you need strcmp function inside <string.h> lib.
strcmp will by default return -ve,0,ve appropriately... to sort in reverse order, just reverse the sign returned by strcmp
#include <st...
How to get the list of all printers in computer
...
Try this:
foreach (string printer in System.Drawing.Printing.PrinterSettings.InstalledPrinters)
{
MessageBox.Show(printer);
}
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imp...
C# member variable initialization; best practice?
...d properties (field initializers cannot) - i.e.
[DefaultValue("")]
public string Foo {get;set;}
public Bar() { // ctor
Foo = "";
}
Other than that, I tend to prefer the field initializer syntax; I find it keeps things localized - i.e.
private readonly List<SomeClass> items = new List<...
OwinStartup not firing
...e
Attach to w3wp.exe process
Touch the web.config file
Request a webpage
Extra tip
Maybe doing this will flush a cache:
In web.config add the optimizeCompilations attribute with a false value
<compilation debug="true" ... optimizeCompilations="false">
Run site
Undo the change in web.con...
How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
...
It was possible back in 2013 (without installing any extra software). See the Super User question. It has been possible since Windows XP came out in 2001. The built-in ZIP functionality in Windows XP can be leveraged because it is exposed through a COM interface.
...
Update MongoDB field using value of another field
....0
The way we do this is by $projecting our documents and use the $concat string aggregation operator to return the concatenated string.
we From there, you then iterate the cursor and use the $set update operator to add the new field to your documents using bulk operations for maximum efficiency.
...
JSONP with ASP.NET Web API
..., and now I am trying to consume it using JQuery. I can get back the JSON string using Fiddler, and it seems to be ok, but because the service exists on a separate site, trying to call it with JQuery errors with the "Not Allowed". So, this is clearly a case where I need to use JSONP.
...
Get data from fs.readFile
...file named filename.
If encoding is specified then this function returns a string. Otherwise it returns a buffer.
var text = fs.readFileSync('test.md','utf8')
console.log (text)
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improve thi...