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Safely override C++ virtual functions
I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...
What is the purpose of a plus symbol before a variable?
...icating the if on whether or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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How to concatenate string variables in Bash
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It's specifically and only a plus-equals operator. That is, unlike Javascript, in Bash, echo $A+$B prints "X Y+Z"
– phpguru
Feb 13 '17 at 19:04
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What does “%” (percent) do in PowerShell?
... alias for ForEach-Object:
> Get-Alias -Definition ForEach-Object
CommandType Name Definition
----------- ---- ----------
Alias % For...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
... tar file without a file? , but I was wondering: is there a ready made command line solution?
8 Answers
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Spring @Autowired usage
What are the pros and cons of using @Autowired in a class that will be wired up by Spring?
9 Answers
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How do I handle newlines in JSON?
I've generated some JSON and I'm trying to pull it into an object in JavaScript. I keep getting errors. Here's what I have:
...
How do I implement IEnumerable
...yList, you'll find that the List<MyObject> will provide both generic and non-generic enumerators that you can use.
using System.Collections;
class MyObjects : IEnumerable<MyObject>
{
List<MyObject> mylist = new List<MyObject>();
public MyObject this[int index]
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How create table only using tag and Css
I want to create table only using <div> tag and CSS.
8 Answers
8
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Deserializing a JSON into a JavaScript object
...om json.org:
The eval function is very fast.
However, it can compile and execute any JavaScript program,
so there can be security issues.
The use of eval is indicated when the source is trusted and competent.
It is much safer to use a JSON parser.
In web applications over XMLHttpReques...