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Can I query MongoDB ObjectId by date?
I know that ObjectIds contain the date they were created on. Is there a way to query this aspect of the ObjectId?
12 Answer...
How to get a resource id with a known resource name?
... access a resource like a String or a Drawable by its name and not its int id.
10 Answers
...
Remove an item from array using UnderscoreJS
...score.js, you could combine .findWhere with .without:
var arr = [{
id: 1,
name: 'a'
}, {
id: 2,
name: 'b'
}, {
id: 3,
name: 'c'
}];
//substract third
arr = _.without(arr, _.findWhere(arr, {
id: 3
}));
console.log(arr);
<script src="https://cdnjs.cloudflare.com/...
How to get the currently logged in user's user id in Django?
How to get the currently logged-in user's id?
4 Answers
4
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How to find duplicates in 2 columns not 1
I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
...
jQuery or CSS selector to select all IDs that start with some string [duplicate]
How can I select all elements whose id starts with "player_"?
4 Answers
4
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jQuery dot in ID selector? [duplicate]
... be escaped with with two backslashes: \\. For example, an element with
id="foo.bar", can use the selector $("#foo\\.bar").
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print memory address of Python variable [duplicate]
How do I print the memory address of a variable in Python 2.7?
I know id() returns the 'id' of a variable or object, but this doesn't return the expected 0x3357e182 style I was expecting to see for a memory address.
I want to do something like print &x , where x is a C++ int variable for exam...
Insert Update stored proc on SQL Server
...re the check for existence
should only be done when there is a
very valid reason to justify the
additional I/O. The optimized way to
do things is to make sure that you
have little reads as possible on the
DB.
The best strategy is to attempt the
update. If no rows are affected by t...
Understanding Python's “is” operator
...ation for the is operator:
The operators is and is not test for object identity: x is y is true if and only if x and y are the same object.
Use the == operator instead:
print(x == y)
This prints True. x and y are two separate lists:
x[0] = 4
print(y) # prints [1, 2, 3]
print(x == y) # p...