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Why use the 'ref' keyword when passing an object?
...utable object, e.g. a string. You cannot change the value of a string once it has been created. But by using a ref, you could create a function that changes the string for another one that has a different value.
It is not a good idea to use ref unless it is needed. Using ref gives the method freedom...
SET NAMES utf8 in MySQL?
...
It is needed whenever you want to send data to the server having characters that cannot be represented in pure ASCII, like 'ñ' or 'ö'.
That if the MySQL instance is not configured to expect UTF-8 encoding by default from c...
How can I convert spaces to tabs in Vim or Linux?
...ver several questions on Stack Overflow for how to convert spaces to tabs without finding what I need. There seem to be more questions about how to convert tabs to spaces, but I'm trying to do the opposite.
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Organizing a multiple-file Go project [closed]
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I would recommend reviewing this page on How to Write Go Code
It documents both how to structure your project in a go build friendly way, and also how to write tests. Tests do not need to be a cmd using the main package. They can simply be TestX named functions as part of e...
Displaying build times in Visual Studio?
Our build server is taking too long to build one of our C++ projects. It uses Visual Studio 2008. Is there any way to get devenv.com to log the time taken to build each project in the solution, so that I know where to focus my efforts?
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Fetch the row which has the Max value for a column
...
(
select userid,
my_date,
...
max(my_date) over (partition by userid) max_my_date
from users
)
where my_date = max_my_date
"Analytic functions rock"
Edit: With regard to the first comment ...
"using analytic queries and a self-join defeats the purpose of analytic queries"...
How to find the Git commit that introduced a string in any branch?
I want to be able to find a certain string which was introduced in any commit in
any branch, how can I do that? I found something (that I modified for Win32),
but git whatchanged doesn't seem to be looking into the different branches
(ignore the py3k chunk, it's just a msys/win line feed fix)
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OpenLayers vs Google Maps? [closed]
... perspective.
Why would I use OpenLayers instead of Google Maps?
Flexiblity: You are not tied to any particular map provider or technology. You can change anytime and not have to rewrite your entire code. Google, Yahoo, Microsoft, WMS, ArcGIS Server, MapServer, etc. are all supported out of the b...
Python function overloading
...oading?
First, one needs to understand the concept of overloading and why it's not applicable to python.
When working with languages that can discriminate data types at
compile-time, selecting among the alternatives can occur at
compile-time. The act of creating such alternative functions f...
Increase font size chrome console
...accidental keystroke and increased this size, and then found no way to get it back until I stumbled across this post.
– Volomike
Dec 11 '16 at 4:37
1
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