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Why is there an unexplainable gap between these inline-block div elements? [duplicate]
I have two inline-block div elements, that are the same, positioned next to eachother. However there seems to be a mysterious space of 4 pixels between the two divs despite the margin being set to 0. There are no parent divs effecting them - What is going on?
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When to dispose CancellationTokenSource?
...Notice that you must call Dispose on the linked token source when you are done with it. For a more complete example, see How to: Listen for Multiple Cancellation Requests.
I used ContinueWith in my implementation.
share
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Go to back directory browsing after opening file in vim
...is thus on the top, I'd like to summarize a bit the answers, including the one by @romainl that imho is the correct one.
:Rex[plore]: Return to Explorer (by @romainl) vimdoc.sourceforge
:Explorer: opens the Explorer, same as :E (if not other command starting with E is defined (see stackoverflow), ...
Will strlen be calculated multiple times if used in a loop condition?
...i] != '\0'; i++)
{
//Something;
}
In the above code str[i] only verifies one particular character in the string at location i each time the loop starts a cycle, thus it will take less memory and is more efficient.
See this Link for more information.
In the code below every time the loop runs str...
Rspec, Rails: how to test private methods of controllers?
... but that doesn't necessarily mean you should. Testing private methods is done through testing the public interface to those methods. This approach will work, but it's not ideal. It'd be better if the method was in a module that was included into the controller. Then it could be tested independentl...
Can you nest html forms?
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@Nilzor he's not asking whether or not it can't be done, he's asking WHY not. I agree; nesting forms is actually really useful. So if you have a one page app with tabs, each tab is its own form (so you can submit it to save progress), and they're all wrapped in a form, which y...
Postgresql: Scripting psql execution with password
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Yep, it's deprecated (and so noted in one of the links). Since it's come up, it's probably also worth noting that the deprecation is hotly contested because it's extremely useful for many people yet can be used in some circumstances without serious security conc...
Getting rid of \n when using .readlines() [duplicate]
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One situation where this could hurt would be right-stripping a tab-separated value file in which some rows had multiple empty values in their right-most cells. Those rows would have length shorter than the others if one were ...
What are good alternatives to SQL (the language)? [closed]
...think that the underlying theme today is that rather than replace SQL with one new query language, we are instead creating language-specific frontends to hide the SQL in our regular every-day programming languages, and treating SQL as the protocol for talking to relational databases.
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SQL/mysql - Select distinct/UNIQUE but return all columns?
...ach time.
On some platforms (e.g. PostgreSQL, Oracle, T-SQL) this can be done directly using window functions:
select *
from (
select *,
row_number() over (partition by field1 order by field2) as row_number
from table
) as rows
where row_number = 1
On others (MySQL, SQLite), y...