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In C++, if throw is an expression, what is its type?
... the other and is an rvalue." Therefore, the conditional operator doesn't care what type a throw-expression is, but will just use the other type.
In fact, 15.1, paragraph 1 says explicitly "A throw-expression is of type void."
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The role of #ifdef and #ifndef
... the intent more clearly in this particular situation.
In your particular case, the text after the ifdef is not removed since one is defined. The text after the ifndef is removed for the same reason. There will need to be two closing endif lines at some point and the first will cause lines to start...
How to get the date from jQuery UI datepicker
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After calling getDate on datepicker you'll get js Date() object which then can be used to call getDate, getMonth, getFullYear etc
– CoolEsh
Jan 4 '19 at 8:37
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Where should Rails 3 custom validators be stored?
...If you place your custom validators in app/validators they will be automatically loaded without needing to alter your config/application.rb file.
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emacs zoom in/zoom out
Is there a way to zoom in and out (dynamically change the font size, quite smoothly) on emacs?
3 Answers
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What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...s and GetFiles methods differ as follows: When you use EnumerateFiles, you can start enumerating the collection of names before the whole collection is returned; when you use GetFiles, you must wait for the whole array of names to be returned before you can access the array. Therefore, when you are ...
How to pass parameters to a partial view in ASP.NET MVC?
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@ashes999 you can access via ViewData... but help keep things tidy by simply creating a model specific to your usage. Use it once and some may consider it a toss up, but use it any more times than that and it's a no-brainer.
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Can we have multiple “WITH AS” in single sql - Oracle SQL
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You can do this as:
WITH abc AS( select
FROM ...)
, XYZ AS(select
From abc ....) /*This one uses "abc" multiple times*/
Select
From XYZ.... /*using abc, XYZ multiple times*/
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How to get a enum value from string in C#?
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baseKey choice;
if (Enum.TryParse("HKEY_LOCAL_MACHINE", out choice)) {
uint value = (uint)choice;
// `value` is what you're looking for
} else { /* error: the string was not an enum member */ }
Before .NET 4.5, you had to do the following, which is more...
MySQL: how to get the difference between two timestamps in seconds
Is there a way I can make a query in MySQL that will give me the difference between two timestamps in seconds, or would I need to do that in PHP? And if so, how would I go about doing that?
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