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Why is this jQuery click function not working?
... set up the html element for a jquery function on the fly (such as query a table row depending on what button is clicked), it needs to be outside/after that function. I mistakenly changed the name of the target div for my pop-up overlays and then spent several frustrating hours looking for a script...
Change color of PNG image via CSS?
...s but supported in over 90% of browsers according to the following CanIUse table: https://caniuse.com/#feat=css-filters
You can change an image to grayscale, sepia and lot more (look at the example).
So you can now change the color of a PNG file with filters.
body {
background-color:#03...
Equals(=) vs. LIKE
...rmance:
A personal example using mysql 5.5: I had an inner join between 2 tables, one of 3 million rows and one of 10 thousand rows.
When using a like on an index as below(no wildcards), it took about 30 seconds:
where login like '12345678'
using 'explain' I get:
When using an '=' on the s...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
... any output of the HTML):
header('Content-Type: text/html; charset=utf-8')
table-rows-charset (for each row):
utf8_unicode_ci
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Include intermediary (through model) in responses in Django Rest Framework
...se SerializerMethodField on the object and explicitly query the Membership table like so:
class MembershipSerializer(serializers.ModelSerializer):
"""Used as a nested serializer by MemberSerializer"""
class Meta:
model = Membership
fields = ('id','group','join_date')
class ...
What characters do I need to escape in XML documents?
...e corresponding entity or the numeric reference according to the following table:
Original CharacterXML entity replacementXML numeric replacement
< &lt; &#60;...
Relationship between hashCode and equals method in Java [duplicate]
...), for instance keys in a HashMap.
As its name implies, it relies on hash tables, and hash buckets are a function of the object's .hashCode().
If you have two objects which are .equals(), but have different hash codes, you lose!
The part of the contract here which is important is: objects which a...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...
Newer .Net Docs now has a table to help you decide which is best to use in your situation.
From MSDN's "New Recommendations for Using Strings in Microsoft .NET 2.0"
Summary: Code owners previously using the InvariantCulture for string comparison,...
SSO with CAS or OAuth?
... authorization, but it is not a substitute for the traditional 'USER_ROLES table' (user access). It handles authorization for third-parties.
For example, you want your application to integrate with Twitter: a user could allow it to tweet automatically when they update their data or post new content...
What is the point of Lookup?
...
@KyleBaran Lookup<,> is simply an immutable collection (with no Add method for eg) which has a limited use. Furthermore, its not a general purpose collection in the sense that if you do lookup on a nonexistent key you get an empty sequence rather than an exceptio...