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How to get nice formatting in the Rails console
...ease of Ruby 2.0.0.
For rails 4/ruby 2 you could use just
puts object.to_yaml
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iPhone : How to detect the end of slider drag?
...mething like this in your viewWillAppear (or wherever it fits you) call:
[_mySlider addTarget:self
action:@selector(sliderDidEndSliding:)
forControlEvents:(UIControlEventTouchUpInside | UIControlEventTouchUpOutside)];
The receiving method would look like this:
- (void)sliderDi...
Returning JSON from a PHP Script
...you're serializing **/;
header('Content-Type: application/json');
echo json_encode($data);
If I'm not using a particular framework, I usually allow some request params to modify the output behavior. It can be useful, generally for quick troubleshooting, to not send a header, or sometimes print_r t...
How to get Erlang's release version number from a shell?
...
erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
...es
edit: as in the @joris comment, you may need to change above to np.int_(data[1:,1:]) to have correct data type.
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SQL DROP TABLE foreign key constraint
...this SQL (if you're on SQL Server 2005 and up):
SELECT *
FROM sys.foreign_keys
WHERE referenced_object_id = object_id('Student')
and if there are any, with this statement here, you could create SQL statements to actually drop those FK relations:
SELECT
'ALTER TABLE [' + OBJECT_SCHEMA_NAME...
How do I check (at runtime) if one class is a subclass of another?
...more complete example with some assertions:
#!/usr/bin/env python3
class Base:
pass
class Derived(Base):
pass
base = Base()
derived = Derived()
# Basic usage.
assert issubclass(Derived, Base)
assert not issubclass(Base, Derived)
# True for same object.
assert issubclass(Base, Base)
# ...
What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
Say I set base SDK to 7, what does it mean? It could mean that the app would run on iOS 7. But that's what iOS deployment target is for.
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How do I properly escape quotes inside HTML attributes?
...useover='alert(123);' foo='"); ?>' /> - make sure you use it with ENT_QUOTES, this is safe: <option value='<?php echo htmlentities("' onmouseover='alert(123);' foo='", ENT_QUOTES); ?>' /> , but in addition to ENT_QUOTES you should also add ENT_SUBSTITUTE and ENT_DISALLOWED, person...
Source unreachable when using the NuGet Package Manager Console
...belongs here: https://nuget.codeplex.com/discussions/561075#PostDetailsCell_1354351, to "jpharris4".
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