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SQL Server : Columns to Rows
...planation in my post about the full audit trigger, that you can find here: https://stackoverflow.com/a/43800286/4160788
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How do I rename a column in a SQLite database table?
...ME COLUMN fails with an error and no changes are applied.
Image source: https://www.sqlite.org/images/syntax/alter-table-stmt.gif
Example:
CREATE TABLE tab AS SELECT 1 AS c;
SELECT * FROM tab;
ALTER TABLE tab RENAME COLUMN c to c_new;
SELECT * FROM tab;
db-fiddle.com demo
Android Suppor...
Why unsigned integer is not available in PostgreSQL?
...d a lot, just too much work from my experience working with C programming.
https://www.postgresql.org/docs/10/datatype-numeric.html
integer 4 bytes typical choice for integer -2147483648 to +2147483647
serial 4 bytes autoincrementing integer 1 to 2147483647
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Unescape HTML entities in Javascript?
...
Matthias Bynens has a library for this: https://github.com/mathiasbynens/he
Example:
console.log(
he.decode("Jörg &amp Jürgen rocked to & fro ")
);
// Logs "Jörg & Jürgen rocked to & fro"
I suggest favouring it over h...
SQLite UPSERT / UPDATE OR INSERT
..., leaving it to SQLite to figure out what to do in case of a conflict. See:https://sqlite.org/lang_conflict.html.
Also note the sentence regarding delete triggers: When the REPLACE conflict resolution strategy deletes rows in order to satisfy a constraint, delete triggers fire if and only if recur...
Which encoding opens CSV files correctly with Excel on both Mac and Windows?
...pport for different delimiter characters.
Download the script from Github https://github.com/brablc/clit/blob/master/csv2xlsx.py. In order to run it you will need to install a python module openpyxl for Excel file manipulation: sudo easy_install openpyxl.
...
Weighted random numbers
..., you remove it, you will probably want a custom algorithm.
Will's answer https://stackoverflow.com/a/1761646/837451 avoids this overhead but will be slower to draw from than the C++11 because it can't use binary search.
To see that it does this, you can see the relevant lines (/usr/include/c++/5...
Intersection of two lists in Bash
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
SVG gradient using CSS
...="url(#gradient)" />
</svg>
See an editable example here:
https://jsbin.com/gabuvisuhe/edit?html,css,output
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Difference between Hive internal tables and external tables?
...e HDFS file system.
(NOTE: See Section 'Managed and External Tables' in https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL which list some other difference which I did not completely understand)
I believe Hive chooses the location where it needs to create the table based on the...