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How to define Gradle's home in IDEA?
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you will see "Import gradle project" message on the right bottom. click.
select "Use default gradle wrapper". not "Use local gradle distribution"
That's all.
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Get a list of distinct values in List
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Notes.Select(x => x.Author).Distinct();
This will return a sequence (IEnumerable<string>) of Author values -- one per unique value.
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ActiveRecord OR query
...here(t[:author].eq("Someone").or(t[:title].matches("%something%"))).to_sql
SELECT "posts".* FROM "posts" WHERE (("posts"."author" = 'Someone' OR "posts"."title" LIKE '%something%'))
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Convert a PHP script into a stand-alone windows executable
...github.com/devsense/phalanger
Phalanger is a project which was started at Charles University in Prague and was supported by Microsoft. It compiles source code written in the PHP scripting language into CIL (Common Intermediate Language) byte-code. It handles the beginning of a compiling process whi...
CSS selector for text input fields?
How can I target input fields of type 'text' using CSS selectors?
9 Answers
9
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How do I query using fields inside the new PostgreSQL JSON datatype?
... a comments below.
The answer to the original question in Postgres 9.3:
SELECT *
FROM json_array_elements(
'[{"name": "Toby", "occupation": "Software Engineer"},
{"name": "Zaphod", "occupation": "Galactic President"} ]'
) AS elem
WHERE elem->>'name' = 'Toby';
Advanced example:
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how to stop browser back button using javascript
...me because window.location.hash should always return the hash with the '#' character and _hash will never contains the '#' caracter. Do you recall anything on that ? Is that just a protection in case the browser does not return the '#' char in location.hash ?
– baraber
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Using async/await for multiple tasks
...ything but waiting.
int[] ids = new[] { 1, 2, 3, 4, 5 };
Task.WaitAll(ids.Select(i => DoSomething(1, i, blogClient)).ToArray());
On the other hand, the above code with WaitAll also blocks the threads and your threads won't be free to process any other work till the operation ends.
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How to set cursor position in EditText?
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Where position is an int:
editText1.setSelection(position)
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Edit a commit message in SourceTree Windows (already pushed to remote)
...most recent commit) using SourceTree for Windows version 1.5.2.0:
Step 1
Select the commit immediately before the commit that you want to edit.
For example, if I want to edit the commit with message "FOOBAR!" then I need
to select the commit that comes right before it:
Step 2
Right-click on th...