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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
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(For information about the new exception helper in Visual Studio 2017 see the end of this answer)
Consider this code:
String s = null;
Console.WriteLine(s.Length);
This will throw a NullReferenceException in the second li...
Google Chromecast sender error if Chromecast extension is not installed or using incognito
I'm having an error running Chromecast sender in Chrome Incognito or if Chromecast extension is not installed:
5 Answers
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Creating a new dictionary in Python
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Call dict with no parameters
new_dict = dict()
or simply write
new_dict = {}
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Python naming conventions for modules
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Just nib. Name the class Nib, with a capital N. For more on naming conventions and other style advice, see PEP 8, the Python style guide.
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Fully backup a git repo?
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Whats about just make a clone of it?
git clone --mirror other/repo.git
Every repository is a backup of its remote.
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How to render a DateTime in a specific format in ASP.NET MVC 3?
...del class a property of type DateTime how can I render it in a specific format - for example in the format which ToLongDateString() returns?
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Ways to eliminate switch in code [closed]
...itch-statements are not an antipattern per se, but if you're coding object oriented you should consider if the use of a switch is better solved with polymorphism instead of using a switch statement.
With polymorphism, this:
foreach (var animal in zoo) {
switch (typeof(animal)) {
case "...
Is it faster to count down than it is to count up?
Our computer science teacher once said that for some reason it is more efficient to count down than to count up.
For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen)
I mean that code like this:
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Difference between “include” and “require” in php
...ce? Does using one over the other produce any advantages? Which is better for security?
6 Answers
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OpenID vs. OAuth [duplicate]
...th some private resources) in a website, you can log in with username/password couple.
If an application would like to get some private resources, and if you don't want to give them your username/password, use OAuth.
But if you want to log in into multiple websites with a unique account, use OpenID...