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Why do people say there is modulo bias when using a random number generator?
...
Keep selecting a random is a good way to remove the bias.
Update
We could make the code fast if we search for an x in range divisible by n.
// Assumptions
// rand() in [0, RAND_MAX]
// n in (0, RAND_MAX]
int x;
// Keep searc...
CListCtrl 如何设置单元格颜色？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...、选择状态
m_ColListCtrl.SetItemState( int(m_IntItemStatePos), LVIS_SELECTED , LVIS_SELECTED|LVS_EX_FULLROWSELECT);
m_ColListCtrl.SetItemState( int(m_IntItemStatePos), LVIS_FOCUSED , LVIS_FOCUSED|LVS_EX_FULLROWSELECT);
最后附上整个源demo工程的源码：coloredlistctrl.zip
效...
【鸿蒙内核】记录一次鸿蒙内核问题跟踪历程 - C/C++ - 清泛IT社区，为创新赋能！
...言。
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在纯血鸿蒙上出现了一个网络问题，使用 select 模型，Win/Linux都运行的很好，但是鸿蒙总是失败。
根据日志，标准Linux则是自动重用FID，比如10号关闭再打开，还是10号；但是鸿蒙不是，它会一直增加，到了1024 select...
How can you make a custom keyboard in Android?
...) {
case Keyboard.KEYCODE_DELETE:
CharSequence selectedText = ic.getSelectedText(0);
if (TextUtils.isEmpty(selectedText)) {
// no selection, so delete previous character
ic.deleteSurroundingText(1, 0);
...
Excel “External table is not in the expected format.”
...e same problem. which as resolved using these steps:
1.) Click File
2.) Select "save as"
3.) Click on drop down (Save as type)
4.) Select Excel 97-2003 Workbook
5.) Click on Save button
share
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django test app error - Got an error creating the test database: permission denied to create databas
...@localhost; I originally tried to only GRANT CREATE... but then could not SELECT or DROP the created database. This essentially makes your user a superuser, so be careful.
– mightypile
Dec 31 '15 at 16:28
...
How do I sort a vector of pairs based on the second element of the pair?
...),myComparison);
Now you have to make the comparison based on the second selection
so declare you "myComparison" as
bool myComparison(const pair<int,int> &a,const pair<int,int> &b)
{
return a.second<b.second;
}
...
Disabling Chrome cache for website development
...ck (or hold left click) on the reload button at the top of the browser and select "Empty Cache and Hard Reload."
This will go beyond "Hard Reload" to empty the cache entirely, ensuring that anything downloaded via javascript or etc. will also avoid using the cache. You don't have to mess with set...
Eclipse: Files opened by multiple searches using same editor tab
...esult -> Show In -> Package Explorer ->(file is now automatically selected)->Press 'Enter'
More simply
Select the result -> alt + shift + w -> Package Explorer -> press 'Enter' twice
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How to reset or change the MySQL root password?
...qld]
skip-grant-tables
sudo service mysql restart
mysql -u root
use mysql
select * from mysql.user where user = 'root'; - Look at the top to determine whether the password column is called
password or authentication_string
UPDATE mysql.user set *password_field from above* = PASSWORD('your_new_passw...