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LINQ: Distinct values
...e("{0,-15} {1,-15}",
row.Field<int>(0),
row.Field<string>(1));
}
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C++ auto keyword. Why is it magic?
...ar print() function in it's C base.
#include <iostream>
#include <string>
#include <array>
using namespace std;
void print(auto arg) {
cout<<arg<<" ";
}
int main()
{
string f = "String";//tok assigned
int x = 998;
double a = 4.785;
string b = "C++ Auto !...
How can I return pivot table output in MySQL?
...ards. Note that SUM() can only work with numeric data if you ned to pivot strings you will have to use MAX()
– Raymond Nijland
Mar 25 '19 at 16:25
...
How to create and write to a txt file using VBA
...andling files and folders
Public Sub SaveTextToFile()
Dim filePath As String
filePath = "C:\temp\MyTestFile.txt"
' The advantage of correctly typing fso as FileSystemObject is to make autocompletion
' (Intellisense) work, which helps you avoid typos and lets you discover other usef...
栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... this.data = data;
}
}
public static void main(String[] args) {
Stack stack = new Stack();
stack.push(1);
stack.push(2);
stack.push(3);
System.out.println(stack.pop().data);
System.out.println(stack.pop().data);
...
Make a UIButton programmatically in Swift
...t practices in Swift 2.2. #selector() should be used rather than a literal string which is deprecated.
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Can't access object property, even though it shows up in a console log
....
Instead, try console.log(Object.keys(config)), or even console.log(JSON.stringify(config)) and you will see the keys, or the state of the object at the time you called console.log.
You will (usually) find the keys are being added after your console.log call.
...
How to add custom method to Spring Data JPA
...ic class MyEntity {
@Id
private Long id;
@Column
private String comment;
}
Repository interface:
package myapp.domain.myentity;
@Repository
public interface MyEntityRepository extends JpaRepository<MyEntity, Long> {
// EXAMPLE SPRING DATA METHOD
List<MyEntity...
How do I add a linker or compile flag in a CMake file?
...ILE_FLAGS)
if(TEMP STREQUAL "TEMP-NOTFOUND")
SET(TEMP "") # Set to empty string
else()
SET(TEMP "${TEMP} ") # A space to cleanly separate from existing content
endif()
# Append our values
SET(TEMP "${TEMP}${GCC_COVERAGE_COMPILE_FLAGS}" )
set_target_properties(${THE_TARGET} PROPERTIES COMPILE_FLA...
What does “where T : class, new()” mean?
..., float, double, DateTime or any other struct (value type).
It could be a string, or any other custom reference type, as long as it has a default or parameter-less constructor.
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