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char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注IT技能提升
char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时，发现在x86平台下是按照有符号处理的，但是在ARM32下被当成了无符号导致问题，ARM64正常有符号。经调查，在PC上，char类型默认为signed-char,但是在一...
char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注IT技能提升
char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时，发现在x86平台下是按照有符号处理的，但是在ARM32下被当成了无符号导致问题，ARM64正常有符号。经调查，在PC上，char类型默认为signed-char,但是在一...
char类型移动跨平台踩过的坑 - C/C++ - 清泛网 - 专注IT技能提升
char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时，发现在x86平台下是按照有符号处理的，但是在ARM32下被当成了无符号导致问题，ARM64正常有符号。经调查，在PC上，char类型默认为signed-char,但是在一...
Regarding 'main(int argc, char *argv[])' [duplicate]
Every program is starting with the main(int argc, char *argv[]) definition.
8 Answers
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How can I check if character in a string is a letter? (Python)
... know about islower and isupper , but can you check whether or not that character is a letter?
For Example:
6 Answers
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
...
You can check the currently running transactions with
SELECT * FROM `information_schema`.`innodb_trx` ORDER BY `trx_started`
Your transaction should be one of the first, because it's the oldest in the list. Now just take the value from trx_mysql_thread_id and send it the KILL ...
Textarea onchange detection
...lly know how off you are: could be typing or deleting, and could have text selected meaning it's more than just +/- 1).
– brianmearns
Apr 26 '12 at 15:24
66
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What is the strict aliasing rule?
...ict aliasing in your compiler (f[no-]strict-aliasing in gcc))
You can use char* for aliasing instead of your system's word. The rules allow an exception for char* (including signed char and unsigned char). It's always assumed that char* aliases other types. However this won't work the other way: th...
Why do we need C Unions?
... Here is a trivial example:
typedef union
{
struct {
unsigned char byte1;
unsigned char byte2;
unsigned char byte3;
unsigned char byte4;
} bytes;
unsigned int dword;
} HW_Register;
HW_Register reg;
Then you can access the reg as follows:
reg.dword = 0x...
How to get the size of a JavaScript object?
...t, run the task you suspect is leaking, take a new quick Heap Snapshot and select the comparison view at the bottom. It makes obvious what objects were created between the two snapshots.
– Johnride
Mar 28 '14 at 15:13
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