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ViewController respondsToSelector: message sent to deallocated instance (CRASH)
Ok, here is the deal, I hate putting out questions about my debugging and crashes. Because I usually handle them myself, but I just cannot get my way around this, even after viewing multiple questions already .
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window.location.href and window.open () methods in JavaScript
What is the difference between window.location.href and window.open () methods in JavaScript?
6 Answers
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How do I rename the extension for a bunch of files?
...o external calls), see one of the other answers.
The following would do and does not require the system to have the rename program (although you would most often have this on a system):
for file in *.html; do
mv "$file" "$(basename "$file" .html).txt"
done
EDIT: As pointed out in the comme...
How to sort an array of hashes in ruby
...hod to modify in place: array_of_hashes.sort_by!{}
– Andrew
Jul 25 '13 at 17:50
12
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Is there any way to post events to Google Analytics via server-side API? [closed]
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It is now possible (and easy) to track Analytics data from the server-side. With the launch of Universal Analytics, you can now use the Measurement Protocol to post data to the GA servers.
Code samples here
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Parse v. TryParse
What is the difference between Parse() and TryParse()?
8 Answers
8
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Location of sqlite database on the device
...base programmatically with the default way of extending SQLiteOpenHelper and overriding onCreate() . This way the db gets created on the fly when needed.
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Drop a temporary table if it exists
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You could also consider truncating the table instead rather than dropping and recreating.
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
TRUNCATE TABLE ##CLIENTS_KEYWORD
ELSE
CREATE TABLE ##CLIENTS_KEYWORD
(
client_id INT
)
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How do you find the sum of all the numbers in an array in Java?
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What if array contains large numbers and the sum is out of int scope?
– thanhbinh84
Apr 1 '16 at 15:31
5
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What is mattr_accessor in a Rails module?
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Rails extends Ruby with both mattr_accessor (Module accessor) and cattr_accessor (as well as _reader/_writer versions). As Ruby's attr_accessor generates getter/setter methods for instances, cattr/mattr_accessor provide getter/setter methods at the class or module level. Thus:
module...