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How do I concatenate two text files in PowerShell?
...ile1.txt, inputFile2.txt | Set-Content joinedFile.txt
You can concatenate more than two files with this style, too.
If the source files are named similarly, you can use wildcards:
Get-Content inputFile*.txt | Set-Content joinedFile.txt
Note 1: PowerShell 5 and older versions allowed this to be don...
What causes javac to issue the “uses unchecked or unsafe operations” warning
...uggests and recompile with the "-Xlint:unchecked" switch, it will give you more detailed information.
As well as the use of raw types (as described by the other answers), an unchecked cast can also cause the warning.
Once you've compiled with -Xlint, you should be able to rework your code to avoid...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
...{
T _val;
public:
Derived() {}
Derived(T val): _val(val) {}
T raw() {return _val;}
};
int main()
{
Base * b = new Derived<int>(1);
Derived<int> * d = dynamic_cast<Derived<int>* >(b);
cout << d->raw() << endl;
return 0;
}
dynamic_cast
Do you (really) write exception safe code? [closed]
... will leak, and all objects will be in a correct state. But we could offer more, that is, the strong guarantee. This is where it can become costly, and this is why not all C++ code is strong. Let's try it:
void doSomething(T &amp; t)
{
// we create "x"
std::auto_ptr&lt;X&gt; x(new X()) ; //...
Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
...oject, go with Entity Framework ("EF") - it now generates much better SQL (more like Linq to SQL does) and is easier to maintain and more powerful than Linq to SQL ("L2S"). As of the release of .NET 4.0, I consider Linq to SQL to be an obsolete technology. MS has been very open about not continuin...
How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
...
@Min, the accepted answer is no more prone to attacks than this answer. Maybe you thought it was using string.Format - it's not.
– Simon MᶜKenzie
Nov 25 '14 at 4:35
...
ActiveRecord OR query
...ing sql, which just feels wrong! I'm going to have to look into using Arel more.
– pho3nixf1re
Sep 5 '10 at 17:34
56
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Copy Notepad++ text with formatting?
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application/x-www-form-urlencoded or multipart/form-data?
... the type and amount of data being transmitted, one of the methods will be more efficient than the other. To understand why, you have to look at what each is doing under the covers.
For application/x-www-form-urlencoded, the body of the HTTP message sent to the server is essentially one giant quer...
What are the mechanics of short string optimization in libc++?
...rview of short string optimization (SSO). However, I would like to know in more detail how it works in practice, specifically in the libc++ implementation:
...