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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
...t, and will be surprise cast to float against your will, causing a runtime error.
== is not transitive because "0"== 0, and 0 == "" but "0" != ""
PHP Variables that have not been declared yet are false, even though PHP has a way to represent undefined variables, that feature is disabled with ==.
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How to remove from a map while iterating it?
...= m.erase(it)" since C++11
}
else
{
++it;
}
}
Note that we really want an ordinary for loop here, since we are modifying the container itself. The range-based loop should be strictly reserved for situations where we only care about the elements. The syntax for the RBFL makes this clear...
How to sort a Ruby Hash by number value?
...:)
– Jacob Mattison
Mar 30 '10 at 1:05
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How do I disable the “Press ENTER or type command to continue” prompt in Vim?
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It is possibly a syntax error in vimrc file
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Can git operate in “silent mode”?
... The purpose is to remove informational messages, but still display errors. I haven't studied how well-behaved is git concerning what goes to stdout and what goes to stderr, but redirecting both smells like a very bad idea.
– Johan Boulé
Apr 18 '19 at 1...
Insert a line break in mailto body
...(along with some extra spacing). Are you using a mail client that doesn't allow HTML formatting?
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How do I install cygwin components from the command line?
... the Cygwin package similar to apt-get on Debian or yum on redhat that allows me to install components from the command line?
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Linq to Sql: Multiple left outer joins
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This may be cleaner (you dont need all the into statements):
var query =
from order in dc.Orders
from vendor
in dc.Vendors
.Where(v => v.Id == order.VendorId)
.DefaultIfEmpty()
from status
in dc.Status
.Where(...
What's the best way of structuring data on firebase?
...console.log('email', userSnap.val().email)
);
})
.catch(e => console.error(e));
The problem with this approach is that I have just forced the client to download all of the users' messages and widgets too. No biggie if none of those things number in thousands. But a big deal for 10k users wit...
How can I do test setup using the testing package in Go
How can I do overall test setup processing which sets the stage for all the tests when using the testing package ?
6 Answe...