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What is the effect of extern “C” in C++?
...ou care about the technicalities, they are listed in section 7.5 of the C++03 standard, here is a brief summary (with emphasis on extern "C"):
extern "C" is a linkage-specification
Every compiler is required to provide "C" linkage
A linkage specification shall occur only in namespace scope
All func...
Read/write files within a Linux kernel module
...ts)
{
struct file *filp = NULL;
mm_segment_t oldfs;
int err = 0;
oldfs = get_fs();
set_fs(get_ds());
filp = filp_open(path, flags, rights);
set_fs(oldfs);
if (IS_ERR(filp)) {
err = PTR_ERR(filp);
return NULL;
}
return filp;
}
Close a file (...
OpenSSL and error in reading openssl.conf file
...ample from the commandline you can type:
set OPENSSL_CONF=c:/libs/openssl-0.9.8k/openssl.cnf
to validate it you can type:
echo %OPENSSL_CONF%
You can also set it as part of the computer's environmental variables so all users and services have it available by default. See, for example, Environm...
How to create a directory using Ansible
... |
edited Dec 7 '18 at 18:03
answered Apr 3 '14 at 19:56
le...
Python String and Integer concatenation [duplicate]
...ng'
for i in range(11):
string +=`i`
print string
It will print string012345678910.
To get string0, string1 ..... string10 you can use this as @YOU suggested
>>> string = "string"
>>> [string+`i` for i in range(11)]
Update as per Python3
You can use :
string = 'string'
for i...
Can you organize imports for an entire project in eclipse with a keystroke?
...
Jasper
2,09633 gold badges3030 silver badges4646 bronze badges
answered Dec 31 '08 at 17:46
ToddTodd
...
Python base64 data decode
...ong result, I got:
>>> base64.b64decode(coded_string)
2: 'C\x96\x00\n\x00\x00\x00\x00C\x96\x00\x1b\x00\x00\x00\x00C\x96\x00-\x00\x00\x00\x00C\x96\x00?\x00\x00\x00\x00C\x96\x07M\x00\x00\x00\x00C\x96\x07_\x00\x00\x00\x00C\x96\x07p\x00\x00\x00\x00C\x96\x07\x82\x00\x00\x00\x00C\x96\x07\x94\x00...
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
...
Nir Duan
5,01244 gold badges1717 silver badges3737 bronze badges
answered May 26 '10 at 16:13
Dave WebbDave Webb...
Most lightweight way to create a random string and a random hexadecimal number
What is the most lightweight way to create a random string of 30 characters like the following?
13 Answers
...
How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
...
10 Answers
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