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How to join two sets in one line without using “|”
... id(c) == id(a). Even if a was destroyed, c wouldn't have been. Also, c is now set([1, 2, 3, 4]), so @jorgenkg's comment is correct.
– johndodo
Jan 19 '18 at 10:07
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Add new field to every document in a MongoDB collection
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Pymongo 3.9+
update() is now deprecated and you should use replace_one(), update_one(), or update_many() instead.
In my case I used update_many() and it solved my issue:
db.your_collection.update_many({}, {"$set": {"new_field": "value"}}, upsert=Fa...
HtmlEncode from Class Library
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Thanks, Now I can use the .NET 4 Client Profile instead of the full framework!
– Annagram
Aug 25 '10 at 20:13
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Delete first character of a string in Javascript
...(0) == unwantedCharacter ) yourString = yourString.substr(1);
//yourString now contains "test"
.slice() vs .substring() vs .substr()
Quote from (and more on that in) What is the difference between String.slice and String.substring?
He also points out that if the parameters to slice are negative, t...
Why is setTimeout(fn, 0) sometimes useful?
...(say takes 3 min)
Prints the results of calculation into the result div.
Now, your users start testing this, click "do something" button, and the page sits there doing seemingly nothing for 3 minutes, they get restless, click the button again, wait 1 min, nothing happens, click button again...
T...
Passing parameters in rails redirect_to
How do we pass parameters in redirect_to in rails?
I know we can pass id using this:
9 Answers
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Twitter Bootstrap CSS affecting Google Maps
...e Maps integration and other projects, but we're taking a different stance now on these things and will require developers to make these tweaks on their end."
– kevinwmerritt
Apr 30 '12 at 16:58
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
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The type of test in auto test = +[]{}; is therefore deduced to void(*)(). Now the second line is easy: For the second lambda/closure object, an assignment to the function pointer triggers the same conversion as in the first line. Even though the second lambda has a different closure type, the resul...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
...d add that things have evolved since his initial reply. The use of SSL is now optional (this was probably still being debated when catchdave answered). For example, MAC tokens (currently under development), provide the ability to sign the request with a private key so that SSL is not required. Re...
Detecting touch screen devices with Javascript
...t on devices with no touch input running a touch-capable browser. I don't know of a way to detect device touch capability natively, without just waiting for a touch event to occur.
– Stu Cox
Dec 12 '12 at 11:24
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