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Why should I not include cpp files and instead use a header?
...parating your source files in the first place.
Essentially, what #include does is tell the preprocessor to take the entire file you've specified, and copy it into your active file before the compiler gets its hands on it. So when you include all the source files in your project together, there is ...
Automatic vertical scroll bar in WPF TextBlock?
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How do I do it from the designer?
– Bab Yogoo
Jul 28 '09 at 7:19
16
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convert_tz returns null
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Do you just need to do this once, or every time that MySql starts up?
– Abe Miessler
Aug 13 '13 at 17:09
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jQuery click events firing multiple times
...rite a video poker game in Javascript as a way of getting the basics of it down, and I've run into a problem where the jQuery click event handlers are firing multiple times.
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How to update a git clone --mirror?
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@Magnus Skog: Great. Thanks! Is this all? Do I need another commmand, like git fetch? Or git remote update alone will do it all?
– J. Bruni
May 27 '11 at 11:40
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Deleting a resource using http DELETE
...requests.
I am guessing that having DELETE return two different responses does not feel idempotent to you. I find it useful to think of idempotent requests as leaving the system in the same state, not necessarily having the same response. So regardless of whether you DELETE an existing resource, ...
Convert a string to an enum in C#
...um myStatus);
This also includes C#7's new inline out variables, so this does the try-parse, conversion to the explicit enum type and initialises+populates the myStatus variable.
If you have access to C#7 and the latest .NET this is the best way.
Original Answer
In .NET it's rather ugly (until ...
Make Vim show ALL white spaces as a character
...what chars can be displayed (like trailing space, for instance) and how to do it:
:help listchars
It might be helpful to add a toggle to it so you can see the changes mid editing easily (source: VIM :set list! as a toggle in .vimrc):
noremap <F5> :set list!<CR>
inoremap <F5> &l...
MySQL Results as comma separated list
... |
+------------------------------------------------------------------+
| Do garden,Feed cats,Paint roof,Take dog for walk,Relax,Feed cats |
+------------------------------------------------------------------+
GROUP_CONCAT with DISTINCT
SELECT GROUP_CONCAT(TaskName)
FROM Tasks;
Result:
+----...
generate model using user:references vs user_id:integer
... a belongs_to :user relationship in your Micropost model whereas the first does not. When this relationship is specified, ActiveRecord will assume that the foreign key is kept in the user_id column and it will use a model named User to instantiate the specific user.
The second command also adds an...