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MongoDB: update every document on one field
...> is:
{ $set: { lastLookedAt: Date.now() / 1000 } }
However, depending on your version of MongoDB, the query will look different. Regardless of version, the key is that the empty condition {} will match any document. In the Mongo shell, or with any MongoDB client:
$version >= 3.2:
db.fo...
Does .NET have a way to check if List a contains all items in List b?
I have the following method:
4 Answers
4
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Can the :not() pseudo-class have multiple arguments?
I'm trying to select input elements of all type s except radio and checkbox .
5 Answers
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How to skip to next iteration in jQuery.each() util?
I'm trying to iterate through an array of elements. jQuery's documentation says:
6 Answers
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is there any way to force copy? copy without overwrite prompt, using windows?
I want to write a list of windows commands(it's a long list) where it does all these magical things for me, but whenever I use copy, it stops to ask fro overwrite prompt. When I type yes, it overwrites the old file then just stops there.
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Is there an interactive way to learn Vim? [closed]
Years ago I was looking for a way to learn Vim that didn't involve a wall of text, or scrolling through vimtutor without knowing the commands to do so. I wondered if anything else existed for such a purpose.
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XML Serialization - Disable rendering root element of array
Can I somehow disable rendering of root element of collection?
3 Answers
3
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Stash changes while keeping the changes in the working directory in Git
Is there a git stash command that stashes your changes, but keeps them in the working directory too? So basically a git stash; git stash apply in one step?
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How to select only the first rows for each unique value of a column
...nswer if you say you don't care which address is used.
SELECT
CName, MIN(AddressLine)
FROM
MyTable
GROUP BY
CName
If you want the first according to, say, an "inserted" column then it's a different query
SELECT
M.CName, M.AddressLine,
FROM
(
SELECT
CName, MIN(Inse...
Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...
The fields of your object have in turn their fields, some of which do not implement Serializable. In your case the offending class is TransformGroup. How to solve it?
if the class is yours, make it Serializable
if the class is 3rd party, but you don't ne...