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How to get the primary IP address of the local machine on Linux and OS X? [closed]
I am looking for a command line solution that would return me the primary (first) IP address of the localhost, other than 127.0.0.1
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how to convert binary string to decimal?
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The parseInt function converts strings to numbers, and it takes a second argument specifying the base in which the string representation is:
var digit = parseInt(binary, 2);
See it in action.
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SQL update query using joins
I have to update a field with a value which is returned by a join of 3 tables.
11 Answers
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git stash -> merge stashed change with current changes
...are added to the index (i.e. "staged", using git add ...), then git stash apply (and, presumably, git stash pop) will actually do a proper merge. If there are no conflicts, you're golden. If not, resolve them as usual with git mergetool, or manually with an editor.
To be clear, this is the process ...
In mongoDb, how do you remove an array element by its index?
In the following example, assume the document is in the db.people collection.
8 Answers
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write a shell script to ssh to a remote machine and execute commands
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There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with s...
How to reverse a 'rails generate'
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edited Feb 7 '12 at 4:38
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Child inside parent with min-height: 100% not inheriting height
I found a way to make a div container to occupy at least full height of a page, by setting min-height: 100%; . However, when I add a nested div and set height: 100%; , it doesn't stretch to container's height. Is there a way to fix it?
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What is the difference between Ruby 1.8 and Ruby 1.9
...ion of Ruby (1.8) and the "new" version (1.9). Is there an "easy" or a "simple" explanation of the differences and why it is so different?
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Setting up foreign keys in phpMyAdmin?
I'm setting up a database using phpMyAdmin. I have two tables ( foo and bar ), indexed on their primary keys . I am trying to create a relational table ( foo_bar ) between them, using their primary keys as foreign keys.
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