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target=“_blank” vs. target=“_new”
What's the difference between <a target="_new"> and <a target="_blank"> and which should I use if I just want to open a link in a new tab/window?
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Why do we always prefer using parameters in SQL statements?
... the SQL statement is not going to be the same
– marc_s
Sep 21 '11 at 20:57
1
that means sql inje...
Creating an abstract class in Objective-C
... format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)];
If your method returns a value, it's a bit easier to use
@throw [NSException exceptionWithName:NSInternalInconsistencyException
reason:[NSString stringWithFormat:@"You must override %...
How to drop column with constraint?
...'alter table tbloffers drop constraint ['+dc.NAME+N']'
from sys.default_constraints dc
JOIN sys.columns c
ON c.default_object_id = dc.object_id
WHERE
dc.parent_object_id = OBJECT_ID('tbloffers')
AND c.name = N'checkin'
IF @@ROWCOUNT = 0 BREAK
EXEC (@sql)
END
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How to get all registered routes in Express?
...t app.routes :-)
express 4.x
Applications - built with express()
app._router.stack
Routers - built with express.Router()
router.stack
Note: The stack includes the middleware functions too, it should be filtered to get the "routes" only.
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how to create a file name with the current date & time in python?
... human readable.
from datetime import datetime
datetime.now().strftime("%Y_%m_%d-%I_%M_%S_%p")
'2020_08_12-03_29_22_AM'
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follow
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Get a random boolean in python?
...----------------------------------------------------------------
def create_values(fake):
""""""
print fake.boolean(chance_of_getting_true=50) # True
print fake.random_int(min=0, max=1) # 1
if __name__ == "__main__":
fake = Factory.create()
create_values(fake)
...
How to get current timestamp in milliseconds since 1970 just the way Java gets
...chrono>
// ...
using namespace std::chrono;
milliseconds ms = duration_cast< milliseconds >(
system_clock::now().time_since_epoch()
);
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undefined reference to `WinMain@16'
...>
int main()
{
MessageBox( 0, "Blah blah...", "My Windows app!", MB_SETFOREGROUND );
}
Now let's build it using GNU toolchain (i.e. g++), no special options. Here gnuc is just a batch file that I use for that. It only supplies options to make g++ more standard:
C:\test> gnuc x.cpp
C:...
What is the difference between exit and return? [duplicate]
... return at the end of the function.
Last point, exit() come in two flavors _exit() and exit(). The difference between the forms is that exit() (and return from main) calls functions registered using atexit() or on_exit() before really terminating the process while _exit() (from #include <unistd....