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Xcode debugging - displaying images
I love using the Xcode debugger. You can take a look at a variable's value and even change it.
6 Answers
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How do you make a LinearLayout scrollable?
I have lot of items on the screen and I need to use the scrollbar so the user can scroll down. However, the scroll is either not visible or it's not working. How is it possible to add a scrollbar to a LinearLayout ?
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Removing multiple keys from a dictionary safely
... it might be more efficient to use for key in set(the_dict) & entries: and bypass the key in dict test.
– DylanYoung
Apr 15 at 15:30
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Setting “checked” for a checkbox with jQuery
...st one element, you can always just access the underlying HTMLInputElement and modify its .checked property:
$('.myCheckbox')[0].checked = true;
$('.myCheckbox')[0].checked = false;
The benefit to using the .prop() and .attr() methods instead of this is that they will operate on all matched eleme...
How to get the number of days of difference between two dates on mysql?
... expr2
expressed as a value in days from one
date to the other. expr1 and expr2
are date or date-and-time expressions.
Only the date parts of the values are
used in the calculation
In your case, you'd use :
mysql> select datediff('2010-04-15', '2010-04-12');
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Define an 's src attribute in CSS [duplicate]
... can change the size of the image this way by using background-size:cover, and then changing the height and width.
– Lee
Oct 28 '15 at 15:15
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Ruby on Rails: How can I revert a migration with rake db:migrate?
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Run the following command
rake db:migrate:down VERSION=<version>
where <version> is the version number of your migration file you want to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
r...
What type of hash does WordPress use?
...hing framework, which is used in Content Management Systems like WordPress and Drupal.
They used to use MD5 in the older versions, but sadly for me, no more. You can generate hashes using this encryption scheme at http://scriptserver.mainframe8.com/wordpress_password_hasher.php.
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Big-O summary for Java Collections Framework implementations? [closed]
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And this is why we don't use URL's as answers. That document/server, as far as I can tell, is no longer available!
– Jason Mock
Apr 10 '13 at 16:01
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How do I keep a label centered in WinForms?
...Set Label's AutoSize property to False, TextAlign property to MiddleCenter and Dock property to Fill.
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