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Flatten list of lists [duplicate]
... readable/intuitive. Since the OP is having trouble disambiguating between what lists are (sequences of data) and how lists are represented in code (with square brackets), I highly doubt a double list comprehension will make any sense to him/her.
– Platinum Azure
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Java Annotations
What is the purpose of annotations in Java? I have this fuzzy idea of them as somewhere in between a comment and actual code. Do they affect the program at run time?
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How can we prepend strings with StringBuilder?
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Here's what you can do If you want to prepend using Java's StringBuilder class:
StringBuilder str = new StringBuilder();
str.Insert(0, "text");
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Generate a random number in the range 1 - 10
... on in this question did not work out, I'm trying something else now. Is there a way to tell pg's random() function to get me only numbers between 1 and 10?
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Does the ternary operator exist in R?
As the question asks, is there a control sequence in R similar to C's ternary operator ? If so, how do you use it? Thanks!
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Function to convert column number to letter?
Does anyone have an Excel VBA function which can return the column letter(s) from a number?
28 Answers
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Jquery live() vs delegate() [duplicate]
...on() { ... });
This, however, seems to me to be much more explicit about what is actually happening. You don't realise from the live example that the events are actually being captured on document; with delegate, it is clear that the event capturing happens on #containerElement. You can do the s...
Open a file with su/sudo inside Emacs
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The nice thing about Tramp is that you only pay for that round-trip to SSH when you open the first file. Sudo then caches your credentials, and Emacs saves a handle, so that subsequent sudo-opened files take much less time.
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cURL equivalent in Node.js?
...rom an HTTP request using Node.js (i.e. call a remote web service and echo the response to the client).
17 Answers
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CSS: Control space between bullet and
...e to control how much horizontal space a bullet pushes its <li> to the right in an <ol> or <ul> .
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