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Most common C# bitwise operations on enums
...g)(ulong)flags : Convert.ToInt64(flags)) & (1L << bit)) != 0)
.Select(bit => Enum.ToObject(flags.GetType(), 1L << bit))`
Enums.NET flags.GetFlags()
I'm trying to get these improvements incorporated into .NET Core and maybe eventually the full .NET Framework. You can check o...
LINQ to Entities case sensitive comparison
...om c In db.Users Where c.Username = UserName AndAlso c.Password = Password Select c).SingleOrDefault()
If oUser IsNot Nothing Then
If oUser.Password = Password Then
bLogin = True
End If
End If
Basically, first checking if there is a user with required criteria, ...
When is each sorting algorithm used? [closed]
...s O(N^2), it has a very small constant and is a stable sort.
Bubble sort, selection sort: When you're doing something quick and dirty and for some reason you can't just use the standard library's sorting algorithm. The only advantage these have over insertion sort is being slightly easier to impl...
Deleting lines from one file which are in another file
...
grep -v -x -f f2 f1 should do the trick.
Explanation:
-v to select non-matching lines
-x to match whole lines only
-f f2 to get patterns from f2
One can instead use grep -F or fgrep to match fixed strings from f2 rather than patterns (in case you want remove the lines in a "what you...
Can Powershell Run Commands in Parallel?
...tblock] {param($system) gwmi win32_operatingsystem -ComputerName $system | select csname,caption}
$servers = Get-Content servers.txt
$rtn = Invoke-Async -Set $server -SetParam system -ScriptBlock $sb
just cmdlet/function
$servers = Get-Content servers.txt
$rtn = Invoke-Async -Set $servers ...
In git, is there a simple way of introducing an unrelated branch to a repository?
...
The currently selected answer is correct, I would just add that coincidentally...
This is actually exactly how github.com lets users create Github Pages for their repos, thru an orphaned branch called gh-pages.
The pretty steps are given ...
FormsAuthentication.SignOut() does not log the user out
...ault under forms authentication the browser caches pages for the user. So, selecting a URL directly from the browsers address box dropdown, or typing it in, MAY get the page from the browser's cache, and never go back to the server to check authentication/authorization. The solution to this is to pr...
Why is “origin/HEAD” shown when running “git branch -r”?
...
@robinst is correct.
In git, you can select which branch is checked out by default (i.e. when you clone). By default, origin/HEAD will point at that.
On GitHub, You can change this in the Admin settings for your GitHub repo. You can also do it from the command-...
How to debug a bash script? [closed]
...says:
-x
Print a trace of simple commands, for commands, case commands, select commands, and arithmetic for commands and their arguments or associated word lists after they are expanded and before they are executed. The value of the PS4 variable is expanded and the resultant value is printed befo...
Correct way to write loops for promise.
...
feels like this should be the selected answer. graceful and very reusable approach.
– ken
Jan 29 '16 at 16:25
1
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