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How to obtain the start time and end time of a day?
How to obtain the start time and end time of a day?
14 Answers
14
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Run cron job only if it isn't already running
... sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do what I'm looking for...
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Check if one IEnumerable contains all elements of another IEnumerable
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There is no "fast way" to do this unless you track and maintain some state that determines whether all values in one collection are contained in another. If you only have IEnumerable<T> to work against, I would use Intersect.
var allOfList1IsInList2 = list1.Intersect(l...
What does curly brackets in the `var { … } = …` statements do?
...om arrays or objects using a syntax that mirrors the construction of array and object literals.
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One particularly useful thing you can do with destructuring assignment is to read an entire structure in a single statement, although there are a number of interesting things you can do with them,...
Inserting a tab character into text using C#
I'm building an application where I should capture several values and build a text with them: Name , Age , etc.
9 Answer...
Easy way to convert Iterable to Collection
...eates a copy of the iterable. It wasn't specified that a view was desired, and given that most of the methods on Collection either can't be implemented for a view of an Iterable or won't be efficient, it doesn't make much sense to me to do that.
– ColinD
Jun 20...
Using a bitmask in C#
...aren to the set by doing this:
FlagsHelper.Set(ref names, Names.Karen);
And I could remove Susan in a similar way:
FlagsHelper.Unset(ref names, Names.Susan);
*As Porges pointed out, an equivalent of the IsSet method above already exists in .NET 4.0: Enum.HasFlag. The Set and Unset methods don'...
switch / pattern matching idea
I've been looking at F# recently, and while I'm not likely to leap the fence any time soon, it definitely highlights some areas where C# (or library support) could make life easier.
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How do I select a random value from an enumeration?
Given an arbitrary enumeration in C#, how do I select a random value?
9 Answers
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Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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