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What is the purpose of Order By 1 in SQL select statement?
...RDER BY 1
...is known as an "Ordinal" - the number stands for the column based on the number of columns defined in the SELECT clause. In the query you provided, it means:
ORDER BY A.PAYMENT_DATE
It's not a recommended practice, because:
It's not obvious/explicit
If the column order changes, ...
Why does git revert complain about a missing -m option?
...o do
git cherry-pick -m 2 mycommitsha
This is because -m 1 would merge based on the common parent where as -m 2 merges based on branch y, that is the one I want to cherry-pick to.
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What's an elegant way to conditionally add a class to an HTML element in a view?
I occasionally have to add a class to an html element based on a condition. The problem is I can't figure out a clean way of doing it. Here's an example of the stuff I've tried:
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Android Webview - Webpage should fit the device screen
I have tried the following to fit the webpage based on the device screen size.
21 Answers
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“elseif” syntax in JavaScript
...e if you are actually omitting the optional block {...}. I was referencing based on EMCAScript and MDN..
– skube
Apr 21 '15 at 14:49
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Query to count the number of tables I have in MySQL
...t to do a quick command line query to count the number of tables in my database. Is that possible? If so, what is the query?
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Get index of selected option with jQuery
...mj: Then you are doing something wrong. The selectedIndex property is zero based. I checked the documentation and even tried it myself to be truly 100% sure about this.
– Guffa
Mar 26 '16 at 23:24
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Difference between natural join and inner join
...t specify the joining columns in a natural join; the join is strictly name-based. See also Wikipedia.)
(There's a cheat in the inner join output; the a. and b. parts would not be in the column names; you'd just have column1, column2, column1, column3 as the headings.)
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Change Placeholder Text using jQuery
.... Use parseInt($(this).val(), 10) or check for '1'. The ten is to denote base 10.
$(function () {
$('input[placeholder], textarea[placeholder]').blur();
$('#serMemdd').change(function () {
var k = $(this).val();
if (k == '1') {
$("#serMemtb").attr("placeholder"...
Java `final` method: what does it promise?
...You can't override it in your derived class, therefore it will do what the base class author intended.
http://download.oracle.com/javase/tutorial/java/IandI/final.html
Worth noting is the part where it suggests that methods called from constructors should be final.
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