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How do I raise the same Exception with a custom message in Python?
...hello",) + err.args[1:] may work more reliably (and then just convert to a string to get the message).
– Duncan
Feb 6 '12 at 9:50
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What are the differences between Rust's `String` and `str`?
Why does Rust have String and str ? What are the differences between String and str ? When does one use String instead of str and vice versa? Is one of them getting deprecated?
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Why is MySQL's default collation latin1_swedish_ci?
...general_ci.
Compared to latin1_general_ci it has support for a variety of extra characters used in European languages. So it’s a best choice if you don’t know what language you will be using, if you are constrained to use only single byte character sets.
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Get string character by index - Java
I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f".
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What does “dereferencing” a pointer mean?
...his way C encodes text in memory is known as ASCIIZ.
For example, if the string literal happened to be at address 0x1000 and p a 32-bit pointer at 0x2000, the memory content would be:
Memory Address (hex) Variable name Contents
1000 'a' == 97 (ASCII)
1001...
Replace multiple characters in a C# string
Is there a better way to replace strings?
12 Answers
12
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How to convert a char array back to a string?
...ry minimal.
Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a b...
URL Encoding using C#
...t worry about that, as the folder name can be returned by decoding the Url string, using UrlDecode, so you can round trip the changes.
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Calling constructors in c++ without new
...new object on the stack by calling a constructor of the format Thing(const char*).
The second one is a bit more complex. It essentially does the following
Create an object of type Thing using the constructor Thing(const char*)
Create an object of type Thing using the constructor Thing(const Th...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...的按照%s输出或存放起来，如：
#include <stdio.h>
#include <string.h>
int main(){
char c='c';
int i=10;
char buf[100];
printf("%s", c); //试图把char型按照字符串格式输出，这里的字符会解释成整数，
//再解...