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C++ display stack trace on exception
...strings containing "filename(function+address)",
// this array must be free()-ed
char** symbollist = backtrace_symbols(addrlist, addrlen);
// allocate string which will be filled with the demangled function name
size_t funcnamesize = 256;
char* funcname = (char*)malloc(funcnames...
Signing a Windows EXE file
...
You can get a free cheap code signing certificate from Certum if you're doing open source development.
I've been using their certificate for over a year, and it does get rid of the unknown publisher message from Windows.
As far as sign...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...inside a transaction. In PostgreSQL you must not update the table and then alter the table schema in one transaction.
You need to split the data migration and the schema migration. First create the data migration with this code:
for sender in orm['fooapp.EmailSender'].objects.filter(footer=None):...
Why should I use an IDE? [closed]
...rent tools it can become a hassle. I've been learning vim currently and, although it's hard to get used to at first, it quickly pays off when I can find it in different systems and for many different languages.
– Isaac Nequittepas
May 31 '11 at 13:16
...
how to check redis instance version?
... server needed to be restarted manually to launch the new version, whereas INFO correctly reported the old version.
– X-Cubed
Apr 13 '17 at 3:08
...
cURL equivalent in Node.js?
I'm looking to use information from an HTTP request using Node.js (i.e. call a remote web service and echo the response to the client).
...
List All Redis Databases
... following command to list the databases for which some keys are defined:
INFO keyspace
# Keyspace
db0:keys=10,expires=0
db1:keys=1,expires=0
db3:keys=1,expires=0
Please note that you are supposed to use the "redis-cli" client to run these commands, not telnet. If you want to use telnet, then you...
Best way to iterate through a Perl array
...ng each element off will not speed anything up. Even if there is a need to free the array from the reference, I'd just go:
undef @Array;
when done.
NOTE: The subroutine containing the scope of the array actually keeps the array and re-uses the space next time. Generally, that should be fine (se...
c++ 写日志通用类，可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...VEL_FATAL 0
#define LEVEL_ERROR 1
#define LEVEL_WARN 2
#define LEVEL_INFO 3
#define LEVEL_VERBOSE 4
#define LEVEL_DEBUG 5
static int nLoggerLevel = LEVEL_INFO;
void SetLoggerLevel(int nLevel);
void Log(int nLevel, LPCSTR func, INT line, LPCTSTR fmt, ...);
static const char * const ...
phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ys[$catid])) showmessage(L('missing_part_parameters'));
if(isset($_GET['info']['catid']) && $_GET['info']['catid']) {
$catid = intval($_GET['info']['catid']);
} else {
$_GET['info']['catid'] = 0;
}
if(isset($_GET['typeid']) && trim($_GET['typeid']) != '') {
$typeid = intval($...