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In MySQL queries, why use join instead of where?
... in the WHERE clause
SELECT *
FROM TABLE_A a,
TABLE_B b
WHERE a.id = b.id
Here's the query re-written using ANSI-92 JOIN syntax:
SELECT *
FROM TABLE_A a
JOIN TABLE_B b ON b.id = a.id
From a Performance Perspective:
Where supported (Oracle 9i+, PostgreSQL 7.2+, MySQL 3.23+, SQ...
How to activate “Share” button in android app?
i want to add "Share" button to my android app.
4 Answers
4
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How to preventDefault on anchor tags?
... rule:
a[ng-click]{
cursor: pointer;
}
Its much more simple and provides the exact same functionality and is much more efficient. Hope that might be helpful to anyone else looking up this solution in the future.
The following is my previous solution, which I am leaving here just for legac...
Get selected value of a dropdown's item using jQuery
...gle select dom elements, to get the currently selected value:
$('#dropDownId').val();
To get the currently selected text:
$('#dropDownId :selected').text();
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...
Entity Framework 4 - AddObject vs Attach
... is used to update (or delete) the appropriate row by finding its matching ID in the db table.
Furthermore, using the Attach method, you can define relationships between entities that already exist in the ObjectContext but that have not been connected automatically. Basically the main purpose of A...
jQuery & CSS - Remove/Add display:none
...
To hide the div
$('.news').hide();
or
$('.news').css('display','none');
and to show the div:
$('.news').show();
or
$('.news').css('display','block');
...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
...
in my case adding not mapped didn't helped. i have notmapped in all viewmodels
– Heemanshu Bhalla
Nov 21 '18 at 10:01
...
Forward host port to docker container
...6 scope global docker0
inet6 fe80::a402:65ff:fe86:bba6/64 scope link
valid_lft forever preferred_lft forever
You will need to tell rabbit/mongo to bind to that IP (172.17.42.1). After that, you should be able to open connections to 172.17.42.1 from within your containers.
...
REST API Token-based Authentication
...ernal webservice over HTTP, I reasoned that we would dispense tokens to avoid repeatedly calling the authentication service. Which brings me neatly to my first question:
...
How to work around the stricter Java 8 Javadoc when using Maven
...less of the Java version.
<profiles>
<profile>
<id>disable-java8-doclint</id>
<activation>
<jdk>[1.8,)</jdk>
</activation>
<properties>
<additionalparam>-Xdoclint:none</addition...