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What is the difference between save and insert in Mongo DB?
...e save will do -> It will do normal insertion
upsert to insert.Now in this case as insert() do.
what that means, it means
take the document and replace
the complete document having same
_id.
Let us consider the two cases here for insert:-
1) Having _id of...
What does an exclamation mark mean in the Swift language?
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OK. So the docs talk about using ! when you know for sure it can be unwrapped. But you can run the code fine without it (a forth option for your list - implicit unwrapping) AND without checking first. You get back the value or nil if nil. But if you know for sure that ...
iPhone SDK: what is the difference between loadView and viewDidLoad?
...self.view, then releasing...it seemed somehow awkward, unnecessary. I can now understand why that decision would have led me down the path where I now find myself.
– ryan.scott
Feb 23 '09 at 4:29
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Automatic text translation at MSDN pages - How to turn off?
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The language switcher as of August '16 is now on the very left bottom of the page.
– hmrc87
Aug 5 '16 at 7:03
8
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How do I programmatically force an onchange event on an input?
... This is how to do it properly, natively. Supported in all browsers now: caniuse.com/#feat=dispatchevent
– Willem Mulder
Aug 25 '16 at 10:38
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How to select rows that have current day's timestamp?
...sert about 7k rows
('2013-02-08 20:01:12') ;
Lets try the 2 versions now.
Version 1 with DATE(timestamp) = ?
EXPLAIN
SELECT * FROM test
WHERE DATE(timestamp) = CURDATE() --- using DATE(timestamp)
ORDER BY timestamp ;
Explain:
ID SELECT_TYPE TABLE TYPE POSSIBLE_KEYS KEY...
How do you force a CIFS connection to unmount
... the internet connection is down, and anything that touches the CIFS mount now takes several minutes to timeout, and is unkillable while you wait. I can't even run ls in my home directory because there is a symlink pointing inside the CIFS mount and ls tries to follow it to decide what color it sho...
How to make URL/Phone-clickable UILabel?
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Setting the font is now done by: button.titleLabel.font = [UIFont systemFontOfSize:size];
– Leon
Apr 16 '18 at 8:12
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Is it better to specify source files with GLOB or each file individually in CMake?
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You know what? Since writing this answer 6 year ago, I've changed my mind a bit and now prefer to explicitly list files. It's only real disadvantage is "it's a bit more work to add a file", but it saves you all sorts of headaches....
OnItemCLickListener not working in listview
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I have been stuck on this for 6 hours now, and I really need help. stackoverflow.com/questions/35108940/why-cant-i-remove-an-item/…
– Ruchir Baronia
Jan 31 '16 at 2:56
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