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Rails: how do I validate that something is a boolean?
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This does not work, as any string eg, "foo" will be converted into true.
– Ka Mok
Jun 4 '18 at 22:55
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What is the size of column of int(11) in mysql in bytes?
What is the size of column of int(11) in mysql in bytes?
11 Answers
11
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【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
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CPen类：封装了Windows图形设备接口(GDI)中的画笔对象
CPoint类：操作CPoint和POINT结构
CRect类：封装了一个矩形区域及相关操作
CRgn类：封装用于操作窗口中的椭圆、多边形或者不规则区域的GDI区域
CSize类：用于表示相对坐标...
How to become an OpenCart guru? [closed]
...d be easy to understand if you're familiar with the extract() method which converts each key into a variable. So the example_var key becomes $example_var and can be accessed as such in the view.
Understanding themes
Themes are available to the catalog side only, and are basically a folder of tem...
What is the difference between char * const and const char *?
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The difference is that const char * is a pointer to a const char, while char * const is a constant pointer to a char.
The first, the value being pointed to can't be changed but the pointer can be. The second, the value being pointed at can change but the pointer can...
What is the difference between LL and LR parsing?
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As an example, given this grammar:
S → E
E → T + E
E → T
T → int
Then given the string int + int + int, an LL(2) parser (which uses two tokens of lookahead) would parse the string as follows:
Production Input Action
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Is there a way to define a min and max value for EditText in Android?
...ned;
public class InputFilterMinMax implements InputFilter {
private int min, max;
public InputFilterMinMax(int min, int max) {
this.min = min;
this.max = max;
}
public InputFilterMinMax(String min, String max) {
this.min = Integer.parseInt(min);
t...
How to achieve function overloading in C?
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There are few possibilities:
printf style functions (type as an argument)
opengl style functions (type in function name)
c subset of c++ (if You can use a c++ compiler)
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What characters are allowed in an email address?
...sically makes a character-based approach useless (sorry), unless you first convert the internationalized email addresses to Punycode.
After doing that you can follow (most of) the advice above.
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What's the best way to parse a JSON response from the requests library?
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response = requests.get(...)
json_data = json.loads(response.text)
This converts a given string into a dictionary which allows you to access your JSON data easily within your code.
Or you can use @Martijn's helpful suggestion, and the higher voted answer, response.json().
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