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What's the difference between findAndModify and update in MongoDB?
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From the MongoDB docs (emphasis added):
By default, both operations modify a single document. However, the update() method with its multi option can modify more than one document.
If multiple documents match the upda...
Only using @JsonIgnore during serialization, but not deserialization
I have a user object that is sent to and from the server. When I send out the user object, I don't want to send the hashed password to the client. So, I added @JsonIgnore on the password property, but this also blocks it from being deserialized into the password that makes it hard to sign up users...
Why are Perl 5's function prototypes bad?
...efault list context.)
In particular, they make it hard to pass parameters from arrays. For example:
my @array = qw(a b c);
foo(@array);
foo(@array[0..1]);
foo($array[0], $array[1], $array[2]);
sub foo ($;$$) { print "@_\n" }
foo(@array);
foo(@array[0..1]);
foo($array[0], $array[1], $array[2]);...
How to customize user profile when using django-allauth
...ngo project with the django-allauth app. I need to collect additional data from the user at signup. I came across a similar question here but unfortunately, no one answered the profile customization part.
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django templates: include and extends
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From Django docs:
The include tag should be considered as an implementation of "render this subtemplate and include the HTML", not as "parse this subtemplate and include its contents as if it were part of the parent". Thi...
No visible cause for “Unexpected token ILLEGAL”
...he Unexpected token ILLEGAL JavaScript syntax error.
And where did it come from?
I can't tell for sure, but my bet is on jsfiddle. If you paste code from there, it's very likely to include one or more U+200B characters. It seems the tool uses that character to control word-wrapping on long strings.
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How can I mock dependencies for unit testing in RequireJS?
...y to return the mock objects if they are there, but fallback to retrieving from the actual .js file if a mock is not provided? I've been trying to dig through the require code to figure it out, but I'm getting a little lost.
– Glen Hughes
Jul 29 '12 at 0:36
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How to reset a timer in C#?
...cted, in
milliseconds. Specify
Timeout.Infinite to prevent the
timer from restarting. Specify zero
(0) to restart the timer immediately.
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How to know which version of Symfony I have?
...n using Kernel.php file but problem is the Location of Kernal Will changes from version to version (Better Do File Search in you Project Directory)
in symfony 3.0 :
my_project\vendor\symfony\symfony\src\Symfony\Component\HttpKernel\Kernel.php
Check from Controller/ PHP File
$symfony_version = \S...
Finding Variable Type in JavaScript
...isArray or Object.prototype.toString.call to differentiate regular objects from arrays
typeof new Date() === 'object';
typeof new Boolean(true) === 'object'; // this is confusing. Don't use!
typeof new Number(1) === 'object'; // this is confusing. Don't use!
typeof new String("abc") === '...