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How to prevent buttons from submitting forms
In the following page, with Firefox the remove button submits the form, but the add button does not.
17 Answers
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How to Programmatically Add Views to Views
Let's say I have a LinearLayout , and I want to add a View to it, in my program from the Java code. What method is used for this? I'm not asking how it's done in XML, which I do know, but rather, how can I do something along the lines of this sample code?
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Is there a function to make a copy of a PHP array to another?
Is there a function to make a copy of a PHP array to another?
19 Answers
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
...or BufferedWriter and PrintWriter detail the differences.
The main reason to use the PrintWriter is to get access to the printXXX methods like println(). You can essentially use a PrintWriter to write to a file just like you would use System.out to write to the console.
A BufferedWriter is an eff...
Can not connect to local PostgreSQL
I've managed to bork my local development environment.
21 Answers
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Why is String immutable in Java?
...asily changed.
Synchronization and concurrency: making String immutable automatically makes them thread safe thereby solving the synchronization issues.
Caching: when compiler optimizes your String objects, it sees that if two objects have same value (a="test", and b="test") and thus you need only ...
How can I deploy an iPhone application from Xcode to a real iPhone device?
How can I deploy an iPhone application from Xcode to real iPhone device without having a US$99 Apple certificate?
12 Answer...
Type List vs type ArrayList in Java [duplicate]
...s preferred over ArrayList because, for instance, List can be translated into a LinkedList without affecting the rest of the codebase.
If one used ArrayList instead of List, it's hard to change the ArrayList implementation into a LinkedList one because ArrayList specific methods have been used in t...
Rails: Is there a rails trick to adding commas to large numbers?
Is there a way to have rails print out a number with commas in it?
14 Answers
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How to calculate time elapsed in bash script?
... the shell was started. This variable retains its properties when assigned to, and the value returned after the assignment is the number of seconds since the assignment plus the assigned value.
Thus, you can just set SECONDS to 0 before starting the timed event, simply read SECONDS after the event,...