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How do I SET the GOPATH environment variable on Ubuntu? What file must I edit?
...n use other paths you like as GOPATH instead of $HOME/go in my sample.
export GOPATH=$HOME/go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
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What is the right way to override a setter method in Ruby on Rails?
...y on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
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Placeholder in UITextView
...ant the UITextView to have a placeholder similar to the one you can set for an UITextField .
62 Answers
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Is there such a thing as min-font-size and max-font-size?
... to make a font in a div responsive to the browser window. So far, it has worked perfectly, but the parent div has a max-width of 525px . Resizing the browser further will not make the font stop resizing. This has made me wonder if there is such a thing as min-font-size or max-font-size , and ...
What is the Java equivalent of PHP var_dump?
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It is not quite as baked-in in Java, so you don't get this for free. It is done with convention rather than language constructs. In all data transfer classes (and maybe even in all classes you write...), you should implement a sensible toString method. So here you need to override ...
Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
In Jackson, when you annotate a constructor with @JsonCreator , you must annotate its arguments with @JsonProperty . So this constructor
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Multi-project test dependencies with gradle
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Deprecated - For Gradle 5.6 and above use this answer.
In Project B, you just need to add a testCompile dependency:
dependencies {
...
testCompile project(':A').sourceSets.test.output
}
Tested with Gradle 1.7.
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Merge development branch with master
I have two branches namely master and development in a GitHub Repository. I am doing all my development in development branch as shown.
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send mail from linux terminal in one line [closed]
... of programs on a linux system. What you want behind it is either sendmail or postfix. I recommend the latter.
You can install it via your favorite package manager. Then you have to configure it, and once you have done that, you can send email like this:
echo "My message" | mail -s subject user@g...
How to change webservice url endpoint?
...ngProvider interface):
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EchoService service = new EchoService();
Echo port = service.getEchoPort();
/* Set NEW Endpoint Location */
String endpointURL = "http://NEW_ENDPOINT_URL";
BindingProvider bp = (BindingProvider)port;
bp.getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, e...