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PostgreSQL delete all content
....3/static/sql-delete.html
TRUNCATE is a PostgreSQL extension that provides a faster mechanism to
remove all rows from a table. TRUNCATE quickly removes all rows from a
set of tables. It has the same effect as an unqualified DELETE on each
table, but since it does not actually scan the tab...
Are there conventions on how to name resources?
Are there conventions how to name resources in Android? For example, buttons, textViews, menus, etc.
15 Answers
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AlertDialog.Builder with custom layout and EditText; cannot access view
...rence of alertDialog
EditText editText = (EditText) alertDialog.findViewById(R.id.label_field);
Update:
Because in code line dialogBuilder.setView(inflater.inflate(R.layout.alert_label_editor, null));
inflater is Null.
update your code like below, and try to understand the each code line
Ale...
How do I get AWS_ACCESS_KEY_ID for Amazon?
...
Thanks for that Amit but I did that. However I don't want to send actual payments, etc. I wanted to mock all those transactions. That's why I wanted to get the sandbox. Maybe I'm missing something?
– Padraig
Jan 30...
Find all tables containing column with specified name - MS SQL Server
...bleName'
FROM sys.columns c
JOIN sys.tables t ON c.object_id = t.object_id
WHERE c.name LIKE '%MyName%'
ORDER BY TableName
,ColumnName;
Search Tables & Views:
SELECT COLUMN_NAME AS 'ColumnName'
,TABLE_NAME AS 'TableName'
FROM INFO...
PHP - find entry by object property from an array of objects
...this
$item = null;
foreach($array as $struct) {
if ($v == $struct->ID) {
$item = $struct;
break;
}
}
See this question and subsequent answers for more information on the latter - Reference PHP array by multiple indexes
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Jackson and generic type reference
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It works : I did the following: JavaType topMost = mapper.getTypeFactory().constructParametricType(MyWrapper.class, ActualClassRuntime.class); and then did the readValue and it finally worked :)
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Fastest check if row exists in PostgreSQL
...y word for TRUE / FALSE return:
select exists(select 1 from contact where id=12)
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jquery change class name
I want to change the class of a td tag given the td tag's id:
12 Answers
12
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Ordering by the order of values in a SQL IN() clause
...se MySQL's FIELD() function:
SELECT name, description, ...
FROM ...
WHERE id IN([ids, any order])
ORDER BY FIELD(id, [ids in order])
FIELD() will return the index of the first parameter that is equal to the first parameter (other than the first parameter itself).
FIELD('a', 'a', 'b', 'c')
will ...