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How to generate gcc debug symbol outside the build target?
...
Refer @Lance Richardson answer comments for an example.
– GuruM
Jul 19 '13 at 11:02
7
...
Divide a number by 3 without using *, /, +, -, % operators
...* fp=fopen("temp.dat","w+b");
int number=12346;
int divisor=3;
char * buf = calloc(number,1);
fwrite(buf,number,1,fp);
rewind(fp);
int result=fread(buf,divisor,number,fp);
printf("%d / %d = %d", number, divisor, result);
free(buf);
fclose(fp);
return 0;
}
If...
How to check if a string in Python is in ASCII?
...so, then the original string is ASCII.
def isascii(s):
"""Check if the characters in string s are in ASCII, U+0-U+7F."""
return len(s) == len(s.encode())
To check, pass the test string:
>>> isascii("♥O◘♦♥O◘♦")
False
>>> isascii("Python")
True
...
Using varchar(MAX) vs TEXT on SQL Server
...es ('b')
insert into @table values ('c')
insert into @table values ('d')
select *
from @table
where a ='a'
This give an error:
The data types text and varchar are incompatible in the equal to operator.
Wheras this does not:
declare @table table (a varchar(max))
Interestingly, LIKE still wo...
Using scanf() in C++ programs is faster than using cin?
...numbers.
iostream version:
#include <iostream>
int main(int argc, char **argv) {
int parity = 0;
int x;
while (std::cin >> x)
parity ^= x;
std::cout << parity << std::endl;
return 0;
}
scanf version:
#include <stdio.h>
int main(int argc, char **a...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统任务。存储引擎层有很多种，mysql提供了存储引擎的插件式结构，支持多种存储引擎，用的最广泛的是innodb和myisamin；inodb主要面向OLTP方面的应用，支持事务处理，myisam不支持事务，表锁，对OLAP操作速度快。
以下主要针对in...
How do I get the localhost name in PowerShell?
...ComputerSystem get Name
Powershell
Get-WMIObject Win32_ComputerSystem | Select-Object -ExpandProperty name
and ...
hostname.exe
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How do you compare structs for equality in C?
...use memcmp to compare structs for equality due to potential random padding characters between field in structs.
// bad
memcmp(&struct1, &struct2, sizeof(struct1));
The above would fail for a struct like this:
typedef struct Foo {
char a;
/* padding */
double d;
/* padding */
...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
...e doc, when it writes it does not check for the following:
Invalid characters in attribute and element names.
Unicode characters that do not fit the specified encoding. If the Unicode
characters do not fit the specified
encoding, the XmlTextWriter does not
escape the Unicode characte...
Are nested HTML comments possible?
...ere. Its parent element has to be either the <body> element or a few select others.
– John E
Jan 17 '19 at 14:09
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