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What is a C++ delegate?
What is the general idea of a delegate in C++? What are they, how are they used and what are they used for?
6 Answers
...
Count character occurrences in a string in C++
...r c in string s
Check if c equals '_'
If yes, increase count
EDIT: C++ example code:
int count_underscores(string s) {
int count = 0;
for (int i = 0; i < s.size(); i++)
if (s[i] == '_') count++;
return count;
}
Note that this is code to use together with std::string, if you...
What are the differences between struct and class in C++?
...d difference between classes and structs.
Quoth the standard (§11.2.2 in C++98 through C++11):
In absence of an access-specifier
for a base class, public is assumed
when the derived class is declared
struct and private is assumed when the class is declared class.
And just for completen...
Why doesn't the height of a container element increase if it contains floated elements?
... border: 3px solid green;
}
.floated_left {
float: left;
width: 200px;
border: 3px solid red;
}
.floated_right {
float: right;
width: 300px;
border: 3px solid red;
}
.clear:after {
clear: both;
content: "";
display: table;
}
Let's go step by step with the l...
How to create a button programmatically?
...abel Code
var label: UILabel = UILabel()
label.frame = CGRectMake(50, 50, 200, 21)
label.backgroundColor = UIColor.blackColor()
label.textColor = UIColor.whiteColor()
label.textAlignment = NSTextAlignment.Center
label.text = "test label"
self.view.addSubview(label)
UITextField code
var txtField:...
Stacking Divs from Bottom to Top
...gn)
.wrapper {
display: table-cell;
vertical-align: bottom;
height: 200px;
}
.content {
max-height: 200px;
overflow: auto;
}
html
<div class="wrapper">
<div class="content">
<div>row 1</div>
<div>row 2</div>
<div>row 3</div&...
Get IP address of visitors using Flask for Python
...["GET"])
def get_my_ip():
return jsonify({'ip': request.remote_addr}), 200
For more information see the Werkzeug documentation.
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站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...
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How do I kill all the processes in Mysql “show processlist”?
..._fetch_array($result)) {
$process_id=$row["Id"];
if ($row["Time"] > 200 ) {
$sql="KILL $process_id";
mysql_query($sql);
}
}
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微软正式推送Win10，不满意或者不习惯可以回滚至旧版 - 资讯 - 清泛网 - 专...
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