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Easiest way to detect Internet connection on iOS?
I know this question will appear to be a dupe of many others, however, I don't feel the simple case is well explained here. Coming from an Android and BlackBerry background, making requests through HTTPUrlConnection instantly fail if there is no connection available. This seems like completely san...
Can't execute jar- file: “no main manifest attribute”
I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with:
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git add remote branch
I want to add a remote, and a branch of that remote.
5 Answers
5
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Git “error: The branch 'x' is not fully merged”
Here are the commands I used from the master branch
11 Answers
11
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How to express a NOT IN query with ActiveRecord/Rails?
Just to update this since it seems a lot of people come to this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci.
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Check whether a string is not null and not empty
How can I check whether a string is not null and not empty?
31 Answers
31
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Java: possible to line break in a properties file?
Is it possible to continue a long string on the next line in a Java properties file?
3 Answers
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HTML text input field with currency symbol
I would like to have a text input field containing the "$" sign in the very beginning, and no matter what editing occurs to the field, for the sign to be persistent.
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How can I insert values into a table, using a subquery with more than one result?
I really would appreciate your help.
6 Answers
6
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Ruby class instance variable vs. class variable
I read " When do Ruby instance variables get set? " but I'm of two minds when to use class instance variables.
7 Answers
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