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Useful GCC flags for C
...rning.
-Waggregate-return: warn if any functions that return structures or unions are defined or called.
-Wcast-qual: warn whenever a pointer is cast to remove a type qualifier from the target type*.
-Wswitch-default: warn whenever a switch statement does not have a default case*.
-Wswitch-enum: war...
How to store values from foreach loop into an array?
...bership AS gm LEFT JOIN users AS u ON gm.`idUser` = u.`idUser`";
$result = mysql_query($query);
while ($record = mysql_fetch_array($result)) { \
$items[] = $username;
}
?>
while is faster, but the last example is only a result of an observation. :)
...
How to return a value from a Form in C#?
...nly a date is needed
//but normally I include optional data (as if a C UNION type)
//the form that responds to the event decides if
//the data is for it.
public DateTime date { get; set; }
//CI_STOCKIN
public StockClass inStock { get; set; }
}
Then use the delegate within ...
How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
...urn intermediate concatenations that will be
-- filtered out later on
UNION ALL
SELECT
c.VehicleID,
(c.Cities + ', ' + l.City) Cities,
l.Rank
FROM
Concatenations c -- this is a recursion!
INNER JOIN RankedLocations l ON
l.VehicleID = c.VehicleID
AND l.R...
Configure nginx with multiple locations with different root folders on subdomain
I'm looking to serve the root url of a subdomain and directory of a subdomain to two different folders on my server. Here is the simple set-up that I have and is not working...
...
Calculate difference in keys contained in two Python dictionaries
... 3:3}
>>> pprint(DeepDiff(t1, t2), indent=2)
{ 'type_changes': { 'root[2]': { 'newtype': <class 'str'>,
'newvalue': '2',
'oldtype': <class 'int'>,
'oldvalue': 2}}}
Value of an it...
What is the minimum I have to do to create an RPM file?
...RCE0 : %{name}-%{version}.tar.gz
URL: http://toybinprog.company.com/
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
%description
%{summary}
%prep
%setup -q
%build
# Empty section.
%install
rm -rf %{buildroot}
mkdir -p %{buildroot}
# in builddir
cp -a * %{buildroot}
%clean
rm -rf ...
Postgres: INSERT if does not exist already
...le in Postgres:
INSERT INTO person (name)
SELECT name FROM person
UNION
VALUES ('Bob')
EXCEPT
SELECT name FROM person;
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How to print register values in GDB?
...p $eax
# $2 = 1
This syntax can also be used to select between different union members e.g. for ARM floating point registers that can be either floating point or integers:
p $s0.f
p $s0.u
From the docs:
Any name preceded by ‘$’ can be used for a convenience variable, unless it is one of...
Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
...they vary, the compiler tries to be too clever in my opinion and creates a union-type generic array. Then it feels compelled to warn you about it. A simpler solution would have been to create Object[] when type cannot be better narrowed down. The above solution forces just that.
To understand this ...