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Wrong Manifest.mf in IntelliJ IDEA created .jar
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To fix:
File > Project Structure
Under Project Settings on the left, select "Artifacts"
Find the JAR definition In the middle pane and select it
In the left pane of the "Output Layout" tab find the jar file in the list and select it
At the bottom, click the "Use Existing Manifest" button and s...
The cast to value type 'Int32' failed because the materialized value is null
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where u.ID == userID
select (int?)ch.Amount).Sum() ?? 0;
This first casts to int? to tell the C# compiler that this expression can indeed return null, even though Sum() returns an int. Then we use the normal ?? operator to handle the null case....
List tables in a PostgreSQL schema
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You can select the tables from information_schema
SELECT * FROM information_schema.tables
WHERE table_schema = 'public'
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How to tell Xcode where my info.plist and .pch files are
...g to add my discoveries here as it is slightly different for Xcode 4.2:
Select your project
In the left side of the middle pane, select your app under "Targets"
Select the tab "Build Settings"
Search the following keywords: "info.plist" and "pch"
At this point it should be pretty clear which are ...
PostgreSQL wildcard LIKE for any of a list of words
... can use Postgres' SIMILAR TO operator which supports alternations, i.e.
select * from table where lower(value) similar to '%(foo|bar|baz)%';
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COALESCE Function in TSQL
...ks perfectly & gives a good visual explanation of how COALESCE works:
SELECT Name, Class, Color, ProductNumber,
COALESCE(Class, Color, ProductNumber) AS FirstNotNull
FROM Production.Product
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Intellij IDEA, format all code in a project
...can use the shortcut Ctrl+ALT+L (Windows/Linux) or ⌥⌘+L (MAC OS X) and select the Rearrange entries option to reformat the code in the current file or reformat a module or directory (after selecting more than one file).
You can also Right-click a module, file or directory from the context menu ...
Exporting data In SQL Server as INSERT INTO
...something else, see screenshot below this one
2008 R2 or later eg 2012
Select "Types of Data to Script" which can be "Data Only", "Schema and Data" or "Schema Only" - the default).
And then there's a "SSMS Addin" Package on Codeplex (including source) which promises pretty much the same func...
The developers of this app have not set up this app properly for Facebook Login?
.../developers.facebook.com/
Click on the Apps menu on the top bar.
Select the respective app from the drop down.
The circle next to your app name is not fully green. When you hover mouse on it, you'll see a popup saying, "Not available to all users because your app is not live."
So next...
What is “android.R.layout.simple_list_item_1”?
...r the individual rows. There are others with checkedtextviews for multiple selections, you can make custom layouts that include images, and multiple textviews for example. These android.R ones are just some easy to use, already created resources for you.
– Kevin Coppock
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