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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
...vaScript basically since its inception. I don't think his advice is coming from "I'm lazy and inattentive inexperienced hacker" -- that's why I'm trying to understand where it's coming from.
– artlung
Jun 9 '09 at 17:22
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Can I use a hash sign (#) for commenting in PHP?
... in which case "#" makes its appearance. And perl gets its comment syntax from the unix-ey shells.
– Gerard ONeill
Jun 17 '19 at 12:41
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NSUserDefaults - How to tell if a key exists
...ce objectForKey confuses 0 with nil, so it can't work. Tested successfully from iOS 4.3 to 10.2.1
– Chrysotribax
Mar 22 '17 at 17:38
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Can JavaScript connect with MySQL?
...t PHP Code generate JavaScript Code/Data(json, e.g.) that it has retrieved from MySQL in advance. Or you might use PHP on a server to provide an http(json/REST/SOAP/... whatever) interface to access data that the php code retrieves from MySQL - and this http interface can be called by JavaScript cod...
Change timestamps while rebasing git branch
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No, it's not. In fact, it's the exact opposite. From the docs of git rebase: "These flags are passed to git am to easily change the dates of the rebased commits". In git am it says: --committer-date-is-author-date "[...]allows the user to lie about the committer date by us...
Is it unnecessary to put super() in constructor?
..., neither Eclipse nor IntelliJ provide any means of comfortably navigating from the constructor of the derived class to the constructor of the base class.
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Value of type 'T' cannot be converted to
...ime to string)
You need to cast to object, (which any T can cast to), and from there to string (since object can be cast to string).
For example:
T newT1 = (T)(object)"some text";
string newT2 = (string)(object)t;
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When to use a “has_many :through” relation in Rails?
...role
end
This introduces a new table, and eliminates the group_id column from the user's table.
The problem with this code is that you'd have to update every where else you use the user class and change it:
user.groups.first.name
# becomes
user.group_memberships.first.group.name
This type of...
How can I round up the time to the nearest X minutes?
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Example:
var dt1 = RoundUp(DateTime.Parse("2011-08-11 16:59"), TimeSpan.FromMinutes(15));
// dt1 == {11/08/2011 17:00:00}
var dt2 = RoundUp(DateTime.Parse("2011-08-11 17:00"), TimeSpan.FromMinutes(15));
// dt2 == {11/08/2011 17:00:00}
var dt3 = RoundUp(DateTime.Parse("2011-08-11 17:01"), TimeSp...
Is std::vector copying the objects with a push_back?
...e reference, then the argument is actually an lvalue and will not be moved from) - check my edit to the answer of "Karl Nicoll" which made that mistake initially
– M.M
Apr 16 '17 at 0:17
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