大约有 43,000 项符合查询结果(耗时:0.0220秒) [XML]

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Generate class from database table

...f your table. declare @TableName sysname = 'TableName' declare @Result varchar(max) = 'public class ' + @TableName + ' {' select @Result = @Result + ' public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; } ' from ( select replace(col.name, ' ', '_') ColumnName, ...
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JNI converting jstring to char *

... jstring data type through the use of JNI. And my library method needs a char * as url. 2 Answers ...
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Get first n characters of a string

How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed? ...
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How to achieve function overloading in C?

... expression in the list for its type: _Generic(1, float: 2.0, char *: "2", int: 2, default: get_two_object()); The above expression evaluates to 2 - the type of the controlling expression is int, so it chooses the expression associated with int as the value. No...
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Count occurrences of a char in a string using Bash

I need to count the number of occurrences of a char in a string using Bash. 7 Answers ...
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Password masking console application

... Console.Write("\b \b"); will delete the asterisk character from the screen, but you do not have any code within your else block that removes the previously entered character from your pass string variable. Here's the relevant working code that should do what you require: va...
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typedef fixed length array

I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...
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How do you allow spaces to be entered using scanf?

... /* Maximum name size + 1. */ #define MAX_NAME_SZ 256 int main(int argC, char *argV[]) { /* Allocate memory and check if okay. */ char *name = malloc(MAX_NAME_SZ); if (name == NULL) { printf("No memory\n"); return 1; } /* Ask user for name. */ printf("Wha...
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How to easily map c++ enums to strings

...mes themselves as strings, see this post. Otherwise, a std::map<MyEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map) For extra syntactic sugar, here's how to write a map_init class. The goal is to allow std::map<MyEnum, const char*&g...
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Why use double indirection? or Why use pointers to pointers?

... If you want to have a list of characters (a word), you can use char *word If you want a list of words (a sentence), you can use char **sentence If you want a list of sentences (a monologue), you can use char ***monologue If you want a list of monologue...