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How many GCC optimization levels are there?
...lear on the man page.
We shall conclude that:
anything above -O3 up to INT_MAX is the same as -O3, but that could easily change in the future, so don't rely on it.
GCC 5.1 runs undefined behavior if you enter integers larger than INT_MAX.
the argument can only have digits, or it fails gracefully. I...
Where do “pure virtual function call” crashes come from?
...dler. You do this by providing your own function with this signature:
int __cdecl _purecall(void)
and linking it before you link the runtime library. This gives YOU control of what happens when a purecall is detected. Once you have control you can do something more useful than the standard handle...
Renaming files in a folder to sequential numbers
...works to increment the variable. Also, this doesn't do it in creation date order or minimize the padding which are things the OP specified. However, it should be noted that Linux/Unix don't store a creation date.
– Paused until further notice.
Jul 9 '10 at 13:5...
How can I color Python logging output?
...oreground with 30
#These are the sequences need to get colored ouput
RESET_SEQ = "\033[0m"
COLOR_SEQ = "\033[1;%dm"
BOLD_SEQ = "\033[1m"
def formatter_message(message, use_color = True):
if use_color:
message = message.replace("$RESET", RESET_SEQ).replace("$BOLD", BOLD_SEQ)
else:
...
Iterate two Lists or Arrays with one ForEach statement in C#
...ic class Pair<TFirst, TSecond>
{
private readonly TFirst _first;
private readonly TSecond _second;
private int _hashCode;
public Pair(TFirst first, TSecond second)
{
_first = first;
_second = second;
}
public...
Elastic Search: how to see the indexed data
...Search and Rails, where some data was not indexed properly because of attr_protected. Where does Elastic Search store the indexed data? It would be useful to check if the actual indexed data is wrong.
...
Python string.join(list) on object array rather than string array
...
The built-in string constructor will automatically call obj.__str__:
''.join(map(str,list))
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How do you run a Python script as a service in Windows?
...mport socket
class AppServerSvc (win32serviceutil.ServiceFramework):
_svc_name_ = "TestService"
_svc_display_name_ = "Test Service"
def __init__(self,args):
win32serviceutil.ServiceFramework.__init__(self,args)
self.hWaitStop = win32event.CreateEvent(None,0,0,None)
...
Using variables inside a bash heredoc
...text in a variable.
Name='Rich Ba$tard'
dough='$$$dollars$$$'
cat <<____HERE
$Name, you can win a lot of $dough this week!
Notice that \`backticks' need escaping if you want
literal text, not `pwd`, just like in variables like
\$HOME (current value: $HOME)
____HERE
Demo: https://ideone.com/...
Where is the WPF Numeric UpDown control?
...Modifier="private" Margin="5,5,0,5" Width="50" Text="0" TextChanged="txtNum_TextChanged" />
<Button x:Name="cmdUp" x:FieldModifier="private" Margin="5,5,0,5" Content="˄" Width="20" Click="cmdUp_Click" />
<Button x:Name="cmdDown" x:FieldModifier="private" Margin="0,5,0,5" Conten...