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Is #pragma once part of the C++11 standard?
Traditionally, the standard and portable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
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Take the content of a list and append it to another list
I am trying to understand if it makes sense to take the content of a list and append it to another list.
7 Answers
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Android SharedPreference security
...as the creating app would be able to access them (this is not usually done and you need to take specific action to make two apps runs with the same UID, so this is probably not a big concern). Finally, if someone was able to mount your device's filesystem without using the installed Android OS, they...
Get DOS path instead of Windows path
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This is very lame, and helpful.
– elgabito
Sep 21 '11 at 19:11
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T-SQL split string
...@pos)
END
INSERT INTO @returnList
SELECT @stringToSplit
RETURN
END
and to use it:-
SELECT * FROM dbo.splitstring('91,12,65,78,56,789')
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Generating a UUID in Postgres for Insert statement?
My question is rather simple. I'm aware of the concept of a UUID and I want to generate one to refer to each 'item' from a 'store' in my DB with. Seems reasonable right?
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Save PL/pgSQL output from PostgreSQL to a CSV file
...ing easy to re-use or automate, you can use Postgresql's built in COPY command. e.g.
Copy (Select * From foo) To '/tmp/test.csv' With CSV DELIMITER ',' HEADER;
This approach runs entirely on the remote server - it can't write to your local PC. It also needs to be run as a Postgres "superuser" (no...
Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...ns in a .row, which has -15px margins. This avoids duplicating the padding and keeps the content lined up between nested and non-nested col classes.
-- You didn't specifically ask about the xs, sm, md, lg usage, but they go hand-in-hand so I can't help but touch on it...
In short, they are used t...
Listening for variable changes in JavaScript
... is an old thread but now this effect is possible using accessors (getters and setters): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Defining_getters_and_setters
You can define an object like this, in which aInternal represents the field a:
x = {
aInternal:...
Should “node_modules” folder be included in the git repository
... applications), including node_modules in your git repo is a viable choice and which alternative you choose depends on your project.
Because he argued very well against node_modules I will concentrate on arguments for them.
Imagine that you have just finished enterprise app and you will have to su...