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Check if EditText is empty. [closed]
...users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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Testing modules in rspec
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Nice. This helped me avoid all sorts of issues with class ivars spanning tests. Gave the classes names by assigning to constants.
– captainpete
Jun 25 '12 at 12:48
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How can I keep my branch up to date with master with git?
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Assuming you're fine with taking all of the changes in master, what you want is:
git checkout <my branch>
to switch the working tree to your branch; then:
git merge master
to merge all the changes in master with yours.
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Are class names in CSS selectors case sensitive?
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CSS selectors are generally case-insensitive; this includes class and ID selectors.
But HTML class names are case-sensitive (see the attribute definition), and that's causing a mismatch in your second example. This has not changed in HTML5.1
This...
Using print statements only to debug
...ith before, using formulae never seen before and dealing with huge files. All this made me write a lot of print statements to verify if it's all going right and identify the points of failure. But, generally, outputting so much information is not a good practice. How do I use the print statements o...
How to delete/create databases in Neo4j?
...s in the graph database Neo4j like in MySQL? Or, at least, how to delete all nodes and relationships of an existing graph to get a clean setup for tests, e.g., using shell commands similar to rmrel or rm ?
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Android: Difference between Parcelable and Serializable?
...ing data , parcelable objects on the other hand should not be persisted at all . It's a really bad practice
– TheAnimatrix
Mar 25 '17 at 11:16
2
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Why are Docker container images so large?
I made a simple image through Dockerfile from Fedora (initially 320 MB).
8 Answers
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In JavaScript, does it make a difference if I call a function with parentheses?
I noticed a difference when calling a function with empty parentheses, or without any parentheses at all. However, I am not passing any arguments to the function so I wondered, what would be the difference between:
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Error : The service is invalid
I am having some problem in installing my app on the iphone as I am constantly getting the following error message
13 Answe...