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What's the most efficient way to erase duplicates and sort a vector?
...or first before it will work as you intend.
std::unique is defined to be stable, so the vector will still be sorted after running unique on it.
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Return Boolean Value on SQL Select Statement
... AS bool part is very important): CAST( CASE WHEN EXISTS ( SELECT * FROM mytable WHERE mytable.id = 1) THEN TRUE ELSE FALSE END AS bool) AS nameofmycolumn
– Lucio Mollinedo
Nov 29 '18 at 23:48
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1030 Got error 28 from storage engine
I am working on a project where i need to create a database with 300 tables for each user who wants to see the demo application. it was working fine but today when i was testing with a new user to see a demo it showed me this error message
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Difference between sh and bash
.../sh could be a symbolic link or a hard link.
If it's a symbolic link, a portable way to resolve it is:
% file -h /bin/sh
/bin/sh: symbolic link to bash
If it's a hard link, try
% find -L /bin -samefile /bin/sh
/bin/sh
/bin/bash
In fact, the -L flag covers both symlinks and hardlinks,
but the d...
What does the CSS rule “clear: both” do?
...ter { /* Imaginary class name */
content: "";
clear: both;
display: table;
}
Note the :after pseudo element used by me for that class. That will create a virtual element for the wrapper element just before it closes itself. If we look in the dom you can see how it shows up in the Document t...
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...ethod you pass to a string and dissects it and tries to match it with your table's column names.
– bigpotato
Oct 16 '13 at 17:57
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When to use a Content Provider
... best thing about it is that you can customize the contentproviders for suitable URIs.
Here's a scenario where you may have 5 tables in your database, but you need to join a few of them in certain orders before using them. And make a content URI for each of these joins. You could then each use thes...
ASP.NET Identity DbContext confusion
...hy is Asp.Net Identity IdentityDbContext a Black-Box?
How can I change the table names when using Visual Studio 2013 AspNet Identity?
Merge MyDbContext with IdentityDbContext"
To answer to all of these questions we need to understand that IdentityDbContext is just a class inherited from DbContext.
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Centering floating divs within another div
... if they overflow the width of the div. So you actually turned them into a table...
– Pavel Jiri Strnad
May 3 '19 at 7:55
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LINQ query to select top five
...Select', To validate it, you can try a simple script
select id as i from table where i=3
and it will not work, the reason is engine will parse Where before Select, so it won't know alias i in the where. To make this work, you can try
select * from (select id as i from table) as t where i = 3
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