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Invoke(Delegate)
...erations
// the canonical form (C# consumer)
public delegate void ControlStringConsumer(Control control, string text); // defines a delegate type
public void SetText(Control control, string text) {
if (control.InvokeRequired) {
control.Invoke(new ControlStringConsumer(SetText), new o...
Getting the name of a child class in the parent class (static context)
...:
get_class($this);
and it will return the name of the child class as a string.
i.e.
class Parent() {
function __construct() {
echo 'Parent class: ' . get_class() . "\n" . 'Child class: ' . get_class($this);
}
}
class Child() {
function __construct() {
parent::const...
How can I force clients to refresh JavaScript files?
...
I always knew the query strings are key-value pair as in ?ver=123. Thanks! :)
– Ankur-m
Feb 15 '12 at 11:41
...
How to enumerate an enum
...,
Diamonds,
NumSuits
}
public void PrintAllSuits()
{
foreach (string name in Enum.GetNames(typeof(Suits)))
{
System.Console.WriteLine(name);
}
}
By the way, incrementing the value is not a good way to enumerate the values of an enum. You should do this instead.
I woul...
How to set data attributes in HTML elements
...ia .data() will return an Object while retrieval via .attr() will return a string.
– Baqer Naqvi
Aug 21 '17 at 18:00
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How to remove the querystring and get only the url?
...
You can use strtok to get string before first occurence of ?
$url = strtok($_SERVER["REQUEST_URI"], '?');
strtok() represents the most concise technique to directly extract the substring before the ? in the querystring. explode() is less direct be...
STL or Qt containers?
...
I started by using std::(w)string and the STL containers exclusively and converting to/from the Qt equivalents, but I have already switched to QString and I find that I'm using Qt's containers more and more.
When it comes to strings, QString offers mu...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...不同语言版本中按钮的点击次数的统计。
（1） 在String Table中分别添加中英文的IDS_STRING_SAMPLE资源，内容如下表所示。
中文
这个一个中文提示信息。\n点击次数：%d。
英文
This is a prompt message in English.\nClick Ti...
How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...Ctrl+V, Ctrl+M to enter a literal Carriage Return character into your grep string. So:
grep -IUr --color "^M"
will work - if the ^M there is a literal CR that you input as I suggested.
If you want the list of files, you want to add the -l option as well.
Explanation
-I ignore binary files
-U preve...
Count how many records are in a CSV Python?
...e number of LINES in the csv file. But some CSV files will contain quoted strings which themselves contain newline characters. MS CSV files usually delimit records with \r\n, but use \n alone within quoted strings.
For a file like this, counting lines of text (as delimited by newline) in the file...