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Creating a daemon in Linux
...essful. -> Because the parent process has terminated, the child process now runs in the background.
setsid - Create a new session. The calling process becomes the leader of the new session and the process group leader of the new process group. The process is now detached from its controlling term...
Getting time elapsed in Objective-C
...ate];
// do stuff...
NSTimeInterval timeInterval = [start timeIntervalSinceNow];
timeInterval is the difference between start and now, in seconds, with sub-millisecond precision.
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What's the absurd function in Data.Void useful for?
... version of the standard pipes type from Gabriel Gonzales' Pipes library. Now, we can encode a pipe that never yields (ie, a consumer) as
type Consumer a r = Pipe a Void r
this really never yields. The implication of this is that the proper fold rule for a Consumer is
foldConsumer :: (r -> ...
Different font size of strings in the same TextView
... require.
String s= "Hello Everyone";
String[] each = s.split(" ");
Now apply span to the string and add the same to textview.
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How to remove a field from params[:something]
...hash from scratch. This is why @Gaul said it is a bad idea. In Rails 5 you now have params.except method and also extract!
– rmcsharry
Sep 26 '16 at 21:05
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What are the differences between -std=c++11 and -std=gnu++11?
...tion parameter for gcc and clang? Same question with c99 and gnu99 ? I know about C++ and C standards, it's the differences in the parameters that interest me.
...
Unicode equivalents for \w and \b in Java regular expressions?
...t also sports corrected definitions for various other properties, too. It now tracks The Unicode Standard, in both RL1.2 and RL1.2a from UTS#18: Unicode Regular Expressions. This is an exciting and dramatic improvement, and the development team is to be commended for this important effort.
Java...
C# code to validate email address
...user experience. Assuming the e-mail address is valid, you could look for known top-level domains, check the domain for an MX record, check for spelling errors from common domain names (gmail.cmo), etc. Then present a warning giving the user a chance to say "yes, my mail server really does allow ???...
When should you not use virtual destructors?
...truction.
For the ellipsis case, it is no longer undefined behavior it is now conditionally-supported with implementation-defined semantics (N3937 - ~C++ '14 - 5.2.2/7):
...Passing a potentially-evaluated argument of class type (Clause 9) having a non-trivial copy constructor, a non-trivial mov...
Is it valid to have a html form inside another html form?
...he problem with using such approaches is that the behavior of your code is now not guaranteed across browsers. (since it's not standard)
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