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How can I access an object property named as a variable in php?
A Google APIs encoded in JSON returned an object such as this
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What is the default value for enum variable?
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In Vim, how do you search for a word boundary character, like the \b in regexp?
I'd like to be able to search
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How do I create a SHA1 hash in ruby?
SHA Hash functions
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How do you run a single query through mysql from the command line?
I'm looking to be able to run a single query on a remote server in a scripted task.
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Add hover text without javascript like we hover on a user's reputation
In stackoverflow, when we hover on a user's reputation we see a text. I have seen this at many places and the source code tells me that it can be done without js. And i tried and got only this-
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python numpy machine epsilon
I am trying to understand what is machine epsilon. According to the Wikipedia, it can be calculated as follows:
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Getting the count of unique values in a column in bash
I have tab delimited files with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
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Scaling Node.js
I'm fairly new to large-scale server-side development. I want to write a server using Node.js, but before I forge ahead I'd like to know what the general principles are for scaling node up to, say, 20 queries per second.
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How to make Google Chrome JavaScript console persistent?
Since I'm building a dynamic site, I need to track the changes between pages, ie. Ajax calls, POST, GET stuff and similar stuff.
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