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How can I drop all the tables in a PostgreSQL database?
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You can write a query to generate a SQL script like this:
select 'drop table "' || tablename || '" cascade;' from pg_tables;
Or:
select 'drop table if exists "' || tablename || '" cascade;' from pg_tables;
In case some tables are automatically dropped due to cascade option in a...
IEnumerable vs List - What to Use? How do they work?
...some doubts over how Enumerators work, and LINQ. Consider these two simple selects:
10 Answers
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How to change Xcode Project name
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For Xcode 4 or later:
Open a project
Select Project Navigator
Highlight project name
Single click on project name
For Xcode 3:
Open a project > Menu > Project > Rename ...
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HTML - Display image after selecting filename [duplicate]
I have a form that allows me with
3 Answers
3
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SQL Server - where is “sys.functions”?
... easy enough to roll your own:
CREATE VIEW my_sys_functions_equivalent
AS
SELECT *
FROM sys.objects
WHERE type IN ('FN', 'IF', 'TF') -- scalar, inline table-valued, table-valued
share
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improve t...
Selecting data frame rows based on partial string match in a column
I want to select rows from a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like:
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Focus Next Element In Tab Index
...st of all, on your tab-able elements, add class="tabable" this will let us select them later.
(Do not forget the "." class selector prefix in the code below)
var lastTabIndex = 10;
function OnFocusOut()
{
var currentElement = $get(currentElementId); // ID set by OnFOcusIn
var curIndex = cur...
SQL left join vs multiple tables on FROM line?
...nts that have employees, but always list all companies.
So you do this:
SELECT * -- for simplicity
FROM Company, Department, Employee
WHERE Company.ID *= Department.CompanyID
AND Department.ID = Employee.DepartmentID
Note that the last one there is an inner join, in order to fulfill the crite...
Is there a shortcut in Eclipse to Re-run the most recently launched program?
...running and debugging applications has been simplified to run or debug the selected file or active editor.
When the selected resource (or active editor) is not executable, users can opt to launch the associated project or re-launch the previous launch.
These settings are managed on the Run/D...
Indenting code in Sublime text 2?
...gs": { "single_line": false } } will reindent all document without need to select what you want
– Alexis
Apr 22 '15 at 11:43
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