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printf with std::string?
...e and typesafe. In fact, when you're writing C++, you generally want to avoid printf entirely -- it's a leftover from C that's rarely needed or useful in C++.
As to why you should use cout instead of printf, the reasons are numerous. Here's a sampling of a few of the most obvious:
As the question...
When should I use std::thread::detach?
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Use join
Unless you need to have more flexibility AND are willing to provide a synchronization mechanism to wait for the thread completion on your own, in which case you may use detach
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Spring Boot JPA - configuring auto reconnect
...erties up to 1.3
spring.datasource.testOnBorrow=true
spring.datasource.validationQuery=SELECT 1
As djxak noted in the comment, 1.4+ defines specific namespaces for the four connections pools Spring Boot supports: tomcat, hikari, dbcp, dbcp2 (dbcp is deprecated as of 1.5). You need to check which ...
How can I use different certificates on specific connections?
... copy of the certificate to verify that I'm not encountering a man-in-the-middle attack, and I need to incorporate this certificate into our code in such a way that the connection to the server will be successful.
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
...nnoremap), one in visual mode (:vmap and :vnoremap) and so on.
For more guidance on this, see:
:help :map
:help :noremap
:help recursive_mapping
:help :map-modes
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Are Roslyn SyntaxNodes reused?
...has no parent references, is built "bottom-up", and every node tracks its width but not its absolute position. When an edit happens we rebuild only the portions of the green tree that were affected by the edit, which is typically about O(log n) of the total parse nodes in the tree.
The "red" tree ...
In HTML5, should the main navigation be inside or outside the element?
In HTML5, I know that <nav> can be used either inside or outside the page's masthead <header> element. For websites having both secondary and main navigation, it seems common to include the secondary navigation as a <nav> element inside the masthead <header> element ...
How do I check if a string is valid JSON in Python?
In Python, is there a way to check if a string is valid JSON before trying to parse it?
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
sort provides two kinds of numeric sort. This is from the man page:
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How to loop over files in directory and change path and add suffix to filename
...e block is still entered once with filename = "/Data/*.txt". How can I avoid this?
– Oliver Pearmain
Feb 3 '15 at 15:22
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