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Java Reflection: How to get the name of a variable?
...For example, take this simple class:
class TestLocalVarNames {
public String aMethod(int arg) {
String local1 = "a string";
StringBuilder local2 = new StringBuilder();
return local2.append(local1).append(arg).toString();
}
}
After compiling with javac -g:vars TestL...
Binding an enum to a WinForms combo box, and then setting it
...item
Status status;
Enum.TryParse<Status>(cbStatus.SelectedValue.ToString(), out status);
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How can I convert tabs to spaces in every file of a directory?
...
DO NOT USE SED! If there's an embedded tab in a string, you may end up mangling your code. This is what expand command was meant to handle. Use expand.
– David W.
Nov 12 '13 at 17:11
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How do I grant myself admin access to a local SQL Server instance?
...LE [sysadmin] ADD MEMBER [<<DOMAIN\USERNAME>>]; and do not add extra semicolon after GO or the command never executes.
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What is The Rule of Three?
... actually means.
Let us consider a simple example:
class person
{
std::string name;
int age;
public:
person(const std::string& name, int age) : name(name), age(age)
{
}
};
int main()
{
person a("Bjarne Stroustrup", 60);
person b(a); // What happens here?
b = ...
List of Delphi language features and version in which they were introduced/deprecated
... easier.
Inline variables with automatic type inference
8 bit AnsiChar/AnsiString support in enable on Linux.
C++Builder and Delphi now use the same ABI for all calls.
Delphi 10.2 Tokyo
Support for Linux server apps (Intel 64-bit using LLVM and ARC).
Assigning a dynamic arrays to a pointer usi...
How does one create an InputStream from a String? [duplicate]
...to working with streams in Java - how do I create an InputStream from a String ?
6 Answers
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How do I find all files containing specific text on Linux?
...d a way to scan my entire Linux system for all files containing a specific string of text. Just to clarify, I'm looking for text within the file, not in the file name.
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What is getattr() exactly and how do I use it?
...ecause you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will return 5.
...
What are all the uses of an underscore in Scala?
...ame: => Int): () => Int = callByName _
Default initializer
var x: String = _ // unloved syntax may be eliminated
There may be others I have forgotten!
Example showing why foo(_) and foo _ are different:
This example comes from 0__:
trait PlaceholderExample {
def process[A](f: A =...