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What is a predicate in c#? [duplicate]
...hat will return the specific node I'm looking for. In your example, if 'a' mod 2 is 0, the delegate will return true. Granted, when I'm looking for a node in a treeview, I compare it's name, text and value properties for a match. When the delegate finds a match, it returns the specific node I was lo...
How do I assert an Iterable contains elements with a certain property?
...cted difference. It is possible to assert using a matcher, but you need to modify this response to be similar to other in this page to do it.
– Giulio Caccin
May 6 '19 at 19:50
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How do I disable directory browsing?
...conf or add Options -Indexes in .htaccess file), here is another one
a2dismod autoindex
Restart the apache2 server afterwards
sudo service apache2 restart
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Is there a string math evaluator in .NET?
...ressions:
+ (addition)
- (subtraction)
* (multiplication)
/ (division)
% (modulus)
More informations: DataColumn.Expression at Expression Syntax.
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How do I set the selected item in a comboBox to match my string using C#?
...")
{
someComboBox.SelectedItem = cbi;
break;
}
}
MOD: and if You have your own objects as items set up in the combobox, then substitute the ComboBoxItem with one of them like:
foreach (Debitor d in debitorCombo.Items)
{
if (d.Name == "Chuck Norris")
{
debit...
Check if a number has a decimal place/is a whole number
...
Using modulus will work:
num % 1 != 0
// 23 % 1 = 0
// 23.5 % 1 = 0.5
Note that this is based on the numerical value of the number, regardless of format. It treats numerical strings containing whole numbers with a fixed decima...
How to show a confirm message before delete?
...
@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 //...
How can I start an interactive console for Perl?
... well, and it's under active development.
BTW, I have no idea why someone modded down the person who mentioned using "perl -e" from the console. This isn't really a REPL, true, but it's fantastically useful, and I use it all the time.
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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...