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SQL Server: Get data for only the past year
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The following adds -1 years to the current date:
SELECT ... From ... WHERE date > DATEADD(year,-1,GETDATE())
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How to stop a program running under Eclipse?
...r. For this you can open up the devices window (in the debug perspective), select the process and then press the stop button on the same window.
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How to exclude specific folders or files from validation in Eclipse?
...ge below)
Note: In Eclipse Indigo you have to Right click the folder and select properties and then select resource in the left navigation.
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Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
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Select the class's symbol in its header file - i.e. the bit just after @interface. Then the refactoring stuff should be enabled.
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json_encode() escaping forward slashes
...archived copy).
Example Demo
<?php
/*
* Escaping the reverse-solidus character ("/", slash) is optional in JSON.
*
* This can be controlled with the JSON_UNESCAPED_SLASHES flag constant in PHP.
*
* @link http://stackoverflow.com/a/10210433/367456
*/
$url = 'http://www.example.com/';
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sqlalchemy IS NOT NULL select
How can I add the filter as in SQL to select values that are NOT NULL from a certain column ?
3 Answers
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IntelliJ shortcut to show a popup of methods in a class that can be searched
... the list or highlight the desired element. Press Enter to navigate to the selected element.
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Faster way to develop and test print stylesheets (avoid print preview every time)?
...P (Mac) or Ctrl+Shift+P (Windows, Linux))
2. Start typing Rendering and select Show Rendering.
3. For the Emulate CSS Media dropdown, select print.
UPDATE 29/02/2016
The DevTools docs have moved and the above link provides inaccurate information. The updated docs regarding Media type em...
Make xargs execute the command once for each line of input
...It has such a very useful extension; from xargs --help – -d, --delimiter=CHARACTER items in input stream are separated by CHARACTER, not by whitespace; disables quote and backslash processing and logical EOF processing
– Piotr Dobrogost
Mar 24 '16 at 21:39
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Computed / calculated / virtual / derived columns in PostgreSQL
...y as column?
The expression (looking like a column) is not included in a SELECT * FROM tbl, though. You always have to list it explicitly.
Can also be supported with a matching expression index - provided the function is IMMUTABLE. Like:
CREATE FUNCTION col(tbl) ... AS ... -- your computed expr...