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How do I create and access the global variables in Groovy?
...he @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 = 'var2'
def var3 = 'var3'
void printVars() {
println var1
println var2
println var3 // This won't work, because not in script scope.
}
...
Restful API service
...l ResultReceiver receiver = intent.getParcelableExtra("receiver");
String command = intent.getStringExtra("command");
Bundle b = new Bundle();
if(command.equals("query") {
receiver.send(STATUS_RUNNING, Bundle.EMPTY);
try {
// get some d...
How do you bind an Enum to a DropDownList control in ASP.NET?
...s and getNames return the same, the first like objects and the second like string. The definition of the enum is like this: public enum eResult { Right = 1, NoncontrolledError = 2,}
– Javiere
Jun 26 '13 at 11:27
...
Add text to Existing PDF using Python
...eate a new pdf containing your text to add using ReportLab, save this as a string object
read the string object using PdfFileReader(), we'll call this text
create a new PDF object using PdfFileWriter(), we'll call this output
iterate through input and apply .mergePage(*text*.getPage(0)) for each pag...
Rank function in MySQL
...arate SET command.
Test case:
CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1));
INSERT INTO person VALUES (1, 'Bob', 25, 'M');
INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M'...
jQuery removing '-' character from string
I have a string "-123445". Is it possible to remove the '-' character from the string?
3 Answers
...
Purpose of Unions in C and C++
...he union is actually used:
struct VAROBJECT
{
enum o_t { Int, Double, String } objectType;
union
{
int intValue;
double dblValue;
char *strValue;
} value;
} object;
share
|...
Can lambda functions be templated?
...n a templated class or function.
#include <iostream>
#include <string>
using namespace std;
template<typename T>
void boring_template_fn(T t){
auto identity = [](decltype(t) t){ return t;};
std::cout << identity(t) << std::endl;
}
int main(int argc, char *...
Create Generic method constraining T to an Enum
... better implementation should be something like this:
public T GetEnumFromString<T>(string value) where T : struct, IConvertible
{
if (!typeof(T).IsEnum)
{
throw new ArgumentException("T must be an enumerated type");
}
//...
}
This will still permit passing of value type...
How do I specify new lines on Python, when writing on files?
In comparison to Java (in a string), you would do something like "First Line\r\nSecond Line" .
13 Answers
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