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How to cast an Object to an int
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Beware, it can throw a ClassCastException if your object isn't an Integer and a NullPointerException if your object is null.
This way you assume that your Object is an Integer (the wrapped int) and you unbox it into an int.
int is a primitive so it can't be stored as an Object, the only way is to...
How do I set $PATH such that `ssh user@host command` works?
I can't seem to set a new $PATH such that it is used when executing commands via ssh user@host command . I have tried adding export PATH=$PATH:$HOME/new_path to ~/.bashrc and ~/.profile on the remote machine, but executing ssh user@host "echo \$PATH" shows that the change has not been picked u...
Android phone orientation overview including compass
I've been trying to get my head around the Android orientation sensors for a while.
I thought I understood it. Then I realised I didn't. Now I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be ...
How do I accomplish an if/else in mustache.js?
...e are the only checks, i.e. you can't check if the value of a tag equals 5 and then fall into that tag's code.
– MandM
Nov 13 '15 at 19:21
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
Is there any difference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations?
5 Answers
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how to pass an integer as ConverterParameter?
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The trick is to include the namespace for the basic system types and then to write at least the ConverterParameter binding in element form.
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Removing packages installed with go get
...ullies my root Go install (I would much prefer to keep my Go install clean and separate core from custom). How do I remove packages installed previously?
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How can I get maven-release-plugin to skip my tests?
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It works for me, thanks and +1 but ... Wny is this necessary?
– javamonkey79
Oct 10 '12 at 17:13
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How to open a file using the open with statement
I'm looking at how to do file input and output in Python. I've written the following code to read a list of names (one per line) from a file into another file while checking a name against the names in the file and appending text to the occurrences in the file. The code works. Could it be done bette...
The differences between .build, .create, and .create! and when should they be used?
So I've been seeing people using .build , .create , and .create! within their controllers more and more lately. What's the difference from just using .new and passing the param'd object and then .save ? Are there pros and cons? Does using these other methods offer benefits?
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