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Why do people hate SQL cursors so much? [closed]
...I. Cursors are how parts of the RDBMS work under the hood. Often CREATE TABLE and INSERT have SELECT statements, and the implementation is the obvious internal cursor implementation.
Using higher-level "set-based operators" bundles the cursor results into a single result set, meaning less API b...
Differences between MySQL and SQL Server [closed]
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I can't believe that no one mentioned that MySQL doesn't support Common Table Expressions (CTE) / "with" statements. It's a pretty annoying difference.
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Why can't C# interfaces contain fields?
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The virtual keyword is implemented in .NET with methods and a so-called v-table, an array of method pointers. The override keyword fills the v-table slot with a different method pointer, overwriting the one produced by the base class. Properties, events and indexers are implemented as methods und...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
I need to show an alternate image in cell of table if source image is not found.
Currently below code is used to do so.
3 A...
Datatable vs Dataset
I currently use a DataTable to get results from a database which I can use in my code.
7 Answers
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Accessing an SQLite Database in Swift
...en it is no longer required.
Use sqlite3_exec to perform SQL (e.g. create table).
if sqlite3_exec(db, "create table if not exists test (id integer primary key autoincrement, name text)", nil, nil, nil) != SQLITE_OK {
let errmsg = String(cString: sqlite3_errmsg(db)!)
print("error creating t...
How to vertical align an inline-block in a line of text?
...nline-block that will take on some unknown width and height. (It'll have a table inside it with content dynamically generated). Further, the inline-block should be placed inside a line of text, such as "my text (BLOCK HERE)". To make it look pretty, I'm trying to make the block be vertically cent...
Convert SQLITE SQL dump file to POSTGRESQL
... local database with a huge amount of data and need to transfer a specific table to the production database.
7 Answers
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Where can I download english dictionary database in a text format? [closed]
... not a dump file, but a MYSQL .sql script file
The words are in WN_SYNSET table and the glossary/meaning in the WN_GLOSS table
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What's the use of ob_start() in php?
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$lvs_html = "<div>01 - component header</div>" ; // <table ><tr>" ;
include( "component_contents.php" ) ;
$lvs_html .= "<div>03 - component footer</div>" ; // </tr></table>" ;
return $lvs_html ;
} ;
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