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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
...to do "and" tests. I wanted to make sure an argument existed which was working well with [ -e $VAR ] , but it turns out that was also evaluating as true on an empty string; which I do not want.
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Android : Check whether the phone is dual SIM
After a lot of research on forums, now I know that there is no way to find IMSI or SIM serial number for both the SIM cards in a dual SIM phone (except for contacting the manufacturer). Now my changed question is, can we at all detect that the phone has two SIMs? I believe it can be detected with so...
Calling method using JavaScript prototype
Is it possible to call the base method from a prototype method in JavaScript if it's been overridden?
14 Answers
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How do I update an NPM module that I published?
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Change the version in your package.json or use npm version <new-version>.
After changing the version number in your package.json, you can run npm publish to publish the new version to NPM.
npm install will install the latest version in ...
How to redirect output of an entire shell script within the script itself?
... the output of a Bourne shell script to somewhere, but with shell commands inside the script itself?
5 Answers
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Vim: Move cursor to its last position
Is it possible in (g)Vim to move the cursor to its previous position (while in normal mode)? Something to cycle back and forth in the list of previous cursor positions would be ideal. But also just to switch to the last location would suffice (something like cd - in bash with directories).
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Is it OK to use Gson instance as a static field in a model bean (reuse)?
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It seems just fine to me. There is nothing in the GSON instance that makes it related to a specific instance of LoginSession, so it should be static.
GSON instances should be thread-safe, and there was a bug regarding that which was fixed....
How can I switch to a tag/branch in hg?
I followed the documentation in https://developer.mozilla.org/En/Developer_Guide/Source_Code/Mercurial
and downloaded FF source with:
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Preferred Github workflow for updating a pull request after code review
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Just add a new commit to the branch used in the pull request and push the branch to GitHub. The pull request will automatically be updated with the additional commit.
#2 and #3 are unnecessary. If people want to see only where your branch was merged in (and not the...
What does “@@ -1 +1 @@” mean in Git's diff output?
I've been collecting data from the information returned from
3 Answers
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