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Python: changing value in a tuple
...basically two ways of replacing a tuple's element at a given index. Either convert the tuple to a list, replace the element and convert back, or construct a new tuple by concatenation.
In [1]: def replace_at_index1(tup, ix, val):
...: lst = list(tup)
...: lst[ix] = val
...: ret...
Why can't I define a static method in a Java interface?
EDIT: As of Java 8, static methods are now allowed in interfaces.
24 Answers
24
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What's the Best Way to Shuffle an NSMutableArray?
... NSMutableArray by providing
// methods to randomly shuffle the elements.
@interface NSMutableArray (Shuffling)
- (void)shuffle;
@end
// NSMutableArray_Shuffling.m
#import "NSMutableArray_Shuffling.h"
@implementation NSMutableArray (Shuffling)
- (void)shuffle
{
NSUInteger count = [self cou...
How to iterate for loop in reverse order in swift?
...can be used as below:
for index in stride(from: 5, to: 1, by: -1) {
print(index)
}
//prints 5, 4, 3, 2
for index in stride(from: 5, through: 1, by: -1) {
print(index)
}
//prints 5, 4, 3, 2, 1
Note that neither of those is a Range member function. They are global functions that return eit...
What is the difference between ManualResetEvent and AutoResetEvent in .NET?
...er1()
{
Console.WriteLine("Entered in worker 1");
for (int i = 0; i < 5; i++) {
Console.WriteLine("Worker1 is running {0}", i);
Thread.Sleep(2000);
autoReset.WaitOne();
}
}
public void Worker2()
{
Console.WriteLin...
How to create a circular ImageView in Android? [duplicate]
....graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import androi...
How to do integer division in javascript (Getting division answer in int not float)? [duplicate]
Is there any function in Javascript that lets you do integer division, I mean getting division answer in int, not in floating point number.
...
半个汉字的校验与处理(C++) - C/C++ - 清泛网 - 专注C/C++及内核技术
... // nMaxLen: 截断后的最大长度
char *GetTruncate(char *strSrc, int nMaxLen)
{
if (strSrc == NULL || nMaxLen == 0)
{
return NULL;
}
int len = strlen(strSrc);
if (len == 0)
{
return strSrc;
}
...
MFC 菜单背景色设置（菜单重绘） - C/C++ - 清泛网 - 专注C/C++及内核技术
...lType==ODT_MENU)
{
if(lpStruct->itemData == NULL) return;
unsigned int m_state = lpStruct->itemState;
CDC* m_dc = CDC::FromHandle(lpStruct->hDC);
//m_dc.Attach(lpStruct->hDC);
CString str = ((CMenuItemInfo*)(lpStruct->itemData))->m_ItemText;
LPSTR m_str = str.GetBuffer(str.Get...
stl multimap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...以重复的，而普通map中的key是不可以重复的。声明multimap<int, CString>mapTest;multimap<int, CString>::itera...multimap的特点为key是可以重复的，而普通map中的key是不可以重复的。
声明
multimap<int, CString>mapTest;
multimap<int, CStrin...