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Android and setting alpha for (image) view alpha
...etAlpha(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
s...
How would you compare jQuery objects?
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You need to compare the raw DOM elements, e.g.:
if ($(this).parent().get(0) === $('body').get(0))
or
if ($(this).parent()[0] === $('body')[0])
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JavaScript exponents
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answered Nov 18 '15 at 20:04
Salvador DaliSalvador Dali
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Remove duplicate entries using a Bash script [duplicate]
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You can sort then uniq:
$ sort -u input.txt
Or use awk:
$ awk '!a[$0]++' input.txt
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c++提取复数的实部和虚部 - C/C++ - 清泛网 - 专注C/C++及内核技术
...arse(COMPLEX * cp, const char * strCplx, const int len)
{
memset(cp, 0, sizeof(COMPLEX));
char buf[MAX_BUF_LEN];
int signPos = -1, // +/-号位置
iPos = -1; // 结尾的i的位置
for (int i = len-1; i >-1; i--)
{
if ('i' == strCplx[i])
...
NtMapViewOfSection注入 - C/C++ - 清泛网 - 专注C/C++及内核技术
...件比如像管理员权限或者之类的要求
#define _WIN32_WINNT 0x0400
#include <windows.h>
typedef LONG NTSTATUS, *PNTSTATUS;
#define NT_SUCCESS(Status) ((NTSTATUS)(Status) >= 0)
typedef enum _SECTION_INHERIT
{
ViewShare = 1,
ViewUnmap = 2
} SECTION_INHERIT;
typedef NTSTATU...
解决：Run-Time Check Failure #0，The value of ESP was not properly sav...
解决：Run-Time Check Failure #0，The value of ESP was not properly saved调用DLL函数，出现错误Run-Time Check Failure #0 - The value of ESP was not properly saved across a function call. ...调用DLL函数，出现错误
Run-Time Check Failure #0 - The value of ESP was not properly saved...
c++ Timer使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...提供实例参考。窗口应用程序使用Timer：
#define TIMER_ID 1000 //定时器ID，可任意。触发后回调函数中用于区别不同的定时器以执行不同的任务
SetTimer(TIMER_ID, 1000 , NULL); //启动定时器，1秒后触发
KillTimer(TIMER_ID); //取消定时器
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windows C++ gbk转为utf-8 - C/C++ - 清泛网 - 专注C/C++及内核技术
...har_2_utf8(const char *m_string,char *utf8_string,int slen) {
int len=0;
wchar_t *w_string;
//char *utf8_string;
//计算由ansi转换为unicode后，unicode编码的长度
len=MultiByteToWideChar(CP_ACP,0,(char *)m_string, -1, NULL,0);//cp_acp指示了转换为unicode编码...
路径 /storage/emulated/0/... 在哪儿？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
路径 /storage/emulated/0/... 在哪儿？有时Android下载文件提示保存在 storage emulated 0 ...目录下，但是在文件管理器中根本找不到这个目录，那么这个目录到底在何方呢？有时Android下载文件提示保存在/storage/emulated/0/...目录下，但是在...