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Default value of 'boolean' and 'Boolean' in Java
What are the default values of boolean (primitive) and Boolean (primitive wrapper) in Java?
8 Answers
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How to remove duplicate values from an array in PHP
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+1 array_unique returns an object with key and value pairs AND array_values return only values as an array.
– narainsagar
Sep 21 '18 at 17:16
a...
Difference between assertEquals and assertSame in phpunit?
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Reports an error identified by $message if the two variables $expected and $actual do not have the same type and value."
And as you can see in the example below the above excerpt, they are passing '2204' and 2204, which will fail using assertSame because one is a string and one is an int, basi...
jQuery to retrieve and set selected option value of html select element
I am attempting to retrieve and set the selected value of a select element (drop down list) with jQuery.
9 Answers
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Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...th Mac OS X Mavericks . Building for iOS went just fine, but building for Android wasn't without some guesswork.
7 Answers...
How do I rename a column in a database table using SQL?
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On PostgreSQL (and many other RDBMS), you can do it with regular ALTER TABLE statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELE...
Change key pair for ec2 instance
...e it in the same subnet, otherwise you will have to terminate the instance and create it again. - see here
Attach volume A to the new micro instance, as /dev/xvdf (or /dev/sdf)
SSH to the new micro instance and mount volume A to /mnt/tmp
$ sudo mount /dev/xvdf1 /mnt/tmp
Copy ~/.ssh/authorized_keys ...
How to handle back button in activity
How to handle a back button in an activity? I have some buttons. If I click one of the button it's redirecting to the buttons which I required. It's working fine but When I press back button it gets finished.
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What is the Objective-C equivalent for “toString()”, for use with NSLog?
... Note if you're using CoreData, the description property is reserved ...and will provide useful debugging information! In that case you'll need to come up with your own unique method name.
– Nuthatch
Dec 7 '13 at 4:09
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How to base64 encode image in linux bash / shell
I'm trying to base64 encode an image in a shell script and put it into variable:
6 Answers
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