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How to avoid null checking in Java?
...y tend to rely on returning nulls to indicate something thus requiring the caller to check for nulls.
To put this another way, there are two instances where null checking comes up:
Where null is a valid response in terms of the contract; and
Where it isn't a valid response.
(2) is easy. Either...
Should C# methods that *can* be static be static? [closed]
...nto a instance method.
In a large code base, however, the sheer number of call sites might make searching to see if it's possible to convert a static method to a non static one too costly. Many times people will see the number of calls, and say "ok... I better not change this method, but instead cr...
What does “Mass Assignment” mean in Laravel?
...hat scenario is line cited above (in my comment) useful. I mean without validation and all that stuff around.
– Kyslik
Jul 29 '14 at 11:27
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Is it valid to define functions in JSON results?
...et further data, without the client worrying about which REST or so api to call next.
– Ravindranath Akila
Jun 24 '14 at 7:48
3
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Refactoring in Vim
...
There is an ide for practically every language. Trying to refactoring with vim or regex sounds absolutely insane. Why would you even try?
– rolls
Jul 15 '17 at 13:00
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Android and XMPP: Currently available solutions [closed]
...so that is fine.i switch off my wifi and switch on it again then programatically reconnecting my jabber server and again login my account,after reconnecting I am sending messages to user B that is fine but when user B sending me messages that messages on my side not receiving .I don't know what's is...
iOS Detection of Screenshot?
...longer true. Apple has made it so touchesCancelled:withEvent: is no longer called when the user takes a screenshot.
This would effectively break Snapchat entirely, so a couple betas in a new solution was added. Now, the solution is as simple as using NSNotificationCenter to add an observer to UIAp...
CSS z-index paradox flower
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Here's my attempt: http://jsfiddle.net/Kx2k5/1/
(successfully tested on Fx27, Ch33, IE9, Sf5.1.10 and Op19)
CSS
.item {
/* include borders on width and height */
-webkit-box-sizing : border-box;
-moz-box-sizing : border-box;
box-sizi...
Python debugging tips [closed]
...tures including tab completion.
It is also possible to set pdb to automatically run on an uncaught exception.
Pydb was written to be an enhanced version of Pdb. Benefits?
share
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Catch Ctrl-C in C
...may most likely also work without the volatile keyword when the while loop calls at least one non-inline function.
– Johannes Overmann
May 20 '13 at 11:05
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