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How to show a confirm message before delete?
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@CiroSantilli巴拿馬文件六四事件法轮功 It's already the case thanks to the event.preventDefault() function. You can replace the hash char with a url, it won't be triggered. But, if JavaScript is disabled the link will work as expected.
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...工重载
在要重载的类（通常为CView的子类）声明部分(.h文件)添加虚函数的声明：
virtual BOOL OnEraseBkgnd(CDC* pDC);
注意添加在//{{AFX_VIRTUAL(CMyView)和//}}AFX_VIRTUAL之间。
在类的定义文件(.cpp)中的MESSAFE_MAP部分，//{{AFX_MSG_MAP(CMyView)和 //...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...程来模拟一下（因为 JuiceFS 客户端基于 FUSE，是用户态的文件系统，比较容易模拟 I/O 故障）。
先将 JuiceFS 挂载到前台（在 ./juicefs mount 命令中加一个 -f 参数），然后用 Cltr+Z 把这个进程停掉，这时候用 ls /jfs 去访问挂载点，会...
What does “%” (percent) do in PowerShell?
... ForEach-Object
When used in the context of an equation, it's the modulus operator:
> 11 % 5
1
and as the modulus operator, % can also be used in an assignment operator (%=):
> $this = 11
> $this %= 5
> $this
1
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Designing function f(f(n)) == -n
...move the integer that doesn't have a positive counterpart, we still have 2(mod4) numbers.
If we remove the 2 maximal numbers left (by abs value), we can get the function:
int sign(int n)
{
if(n>0)
return 1;
else
return -1;
}
int f(int n)
{
if(n==0) return 0;
sw...
How to send a command to all panes in tmux?
...ession, replace -a with -s (It's all in the tmux man page).
I haven't the mod points to comment directly on each of the above answers, so here's why they weren't working for me:
The problem that I had with @shailesh-garg 's answer was that the sync affected only commands issued within the panes, n...
What are the Ruby File.open modes and options?
Ruby's File.open takes modes and options as arguments. Where do I find a complete list of modes and options?
2 Answers
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Unnecessary curly braces in C++?
...mment about the chunk.
e.g.
{ // update the moving average
i= (i+1) mod ARRAYSIZE;
sum = sum - A[i];
A[i] = new_value;
sum = sum + new_value;
average = sum / ARRAYSIZE ;
}
You might argue I should write a function to do all that. If I only do it once, writing a function just...
How can I calculate an md5 checksum of a directory?
... no compression just a read. It is unique because the content contains the mod time and size of file ;)
– Sid
Oct 3 '12 at 1:14
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How can I apply a function to every row/column of a matrix in MATLAB?
...nctions — bitand, bitor, bitxor
Elementary math functions — max, min, mod, rem, hypot, atan2, atan2d
For example, you can calculate the mean of each column in a matrix A,
and then subtract the vector of mean values from each column with A -
mean(A).
Previously, this functionality...