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内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 1. 简单的潜在堆内存丢失和缓冲区覆盖
void f1(char *explanation)
{
char p1;
p1 = malloc(100);
(void) sprintf(p1,
"The f1 error occurred because of '%s'.",
explanation);
local_log(p1...
How do I search within an array of hashes by hash values in ruby?
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Is it possible to return the index of where this was found in the original array of hashes?
– Ian Warner
Oct 18 '16 at 16:42
1
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Delete duplicate records in SQL Server?
...t will order the dupes by empId, and delete all but the first one.
delete x from (
select *, rn=row_number() over (partition by EmployeeName order by empId)
from Employee
) x
where rn > 1;
Run it as a select to see what would be deleted:
select *
from (
select *, rn=row_number() over (...
Map Tiling Algorithm
...the shape of the edge.
The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as one or more of their eight neighbouring tiles. With different types of terrain this condition could translate to a tile being an edge tile if...
Changing all files' extensions in a folder with one command on Windows
How can I use the Windows command line to change the extensions of thousands of files to *****.jpg ?
11 Answers
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How to loop through all but the last item of a list?
...
for x in y[:-1]
If y is a generator, then the above will not work.
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foll...
log4j configuration via JVM argument(s)?
...operly I mean not complain and print to the console. Can I see a typical example?
8 Answers
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Practical usage of setjmp and longjmp in C
Can anyone explain me where exactly setjmp() and longjmp() functions can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases.
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How to get a list of properties with a given attribute?
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I was just looking for a way to check the existence of an attribute without the side-effect that the property get is called. Thanks Marc, it work!
– Örjan Jämte
Nov 18 '13 at 14:29
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The remote end hung up unexpectedly while git cloning
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