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Should I pass a shared_ptr by reference? [duplicate]
..., std::ref(p)), we'd be in all sorts of trouble: The shared pointer in the calling scope could expire and destroy the object, and you would be left with a dangling reference and an invalid pointer!
I hope these two admittedly fairly contrived examples shed a bit of light on when you really want you...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...
set startup-with-shell off
You can also put this last command in a file called .gdbinit in your home directory, in which case it will be applied automatically every time you start gdb
echo "set startup-with-shell off" >> ~/.gdbinit
SOURCE:
https://sourceware.org/gdb/wiki/BuildingOnDarwin...
How can I display just a portion of an image in HTML/CSS?
...
Just to clarify, you’d set the width and height of the container td, div, span or whatever to 50px to make this work.
– Paul D. Waite
Apr 27 '09 at 8:38
...
Convert a python 'type' object to a string
...roxy:
def __init__(self, _type):
self._type = _type
def __call__(self, *args, **kwargs):
return self._type(*args, **kwargs)
def __str__(self):
return self._type.__name__
def __repr__(self):
return "TypeProxy(%s)" % (repr(self._type),)
>>> ...
How to get UTF-8 working in Java webapps?
... the following to the address bar of the browser:
https://localhost:8443/ID/Users?action=search&name=*ж*
the character ж is handled as UTF-8 and is encoded to (usually by the browser before even getting to the server) as %D0%B6.
POST request are not affected by this.
CharsetFilter
The...
Oracle: If Table Exists
...ther reason (that might be important) the exception is still raised to the caller:
BEGIN
EXECUTE IMMEDIATE 'DROP TABLE ' || table_name;
EXCEPTION
WHEN OTHERS THEN
IF SQLCODE != -942 THEN
RAISE;
END IF;
END;
ADDENDUM
For reference, here are the equivalent blocks for othe...
Import pandas dataframe column as string not int
...s will work in pandas >= 0.9.1:
In [2]: read_csv('sample.csv', dtype={'ID': object})
Out[2]:
ID
0 00013007854817840016671868
1 00013007854817840016749251
2 00013007854817840016754630
3 00013007854817840016781876
4 00013007854817840017028824
5 0001300785481784001...
Is a `=default` move constructor equivalent to a member-wise move constructor?
...t decl-specifier-seqopt declarator virt-specifier-seqopt = default ;
is called an explicitly-defaulted definition. A function that is explicitly defaulted shall
be a special member function,
have the same declared function type (except for possibly differing ref-qualifiers and except that in th...
How to create arguments for a Dapper query dynamically
...namicParameters(dictionary));
return entities;
}
And then to call this method:
var results = Get<MyTable>(query, dictionary)
EDIT LONG AFTER
This answer continues to get upvotes, so this is apparently still a need. I took this solution and created an entire data access NuGet ...
php check if array contains all array values from another array
...
You know you can omit both count() calls?
– Wrikken
Aug 15 '13 at 16:01
1
...