大约有 36,020 项符合查询结果（耗时：0.0320秒） [XML]
Why are Python lambdas useful? [closed]
... functional programming where you can pass functions to other functions to do stuff. Example:
mult3 = filter(lambda x: x % 3 == 0, [1, 2, 3, 4, 5, 6, 7, 8, 9])
sets mult3 to [3, 6, 9], those elements of the original list that are multiples of 3. This is shorter (and, one could argue, clearer) tha...
Make a Bash alias that takes a parameter?
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Bash alias does not directly accept parameters. You will have to create a function.
alias does not accept parameters but a function can be called just like an alias. For example:
myfunction() {
#do things with parameters like $1 s...
How to store standard error in a variable
... error file thus:
ERROR=$(</tmp/Error)
The shell recognizes this and doesn't have to run 'cat' to get the data.
The bigger question is hard. I don't think there's an easy way to do it. You'd have to build the entire pipeline into the sub-shell, eventually sending its final standard output t...
How to check command line parameter in “.bat” file?
My OS is Windows Vista. I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will d...
What does $(function() {} ); do?
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$(function() { ... });
is just jQuery short-hand for
$(document).ready(function() { ... });
What it's designed to do (amongst other things) is ensure that your function is called once all the DOM elements of the page are ready to be used.
However, I don't think that's the prob...
Is it feasible to do (serious) web development in Lisp? [closed]
...starting point? Where can be found the proper resources (tools, libraries, documentation, best practices, examples, etc.) for a project of this nature?
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How do I pick randomly from an array?
I want to know if there is a much cleaner way of doing this. Basically, I want to pick a random element from an array of variable length. Normally, I would do it like this:
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Textarea that can do syntax highlighting on the fly?
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Here is the response I've done to a similar question (Online Code Editor) on programmers:
First, you can take a look to this article:
Wikipedia ― Comparison of JavaScript-based source code editors.
For more, here is some tools that seem to fit wit...
How to integrate CSS pre-processing within Eclipse? [closed]
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I just figured out how to do this in Eclipse. I admit that this solution does not have 100% SASS support, the colors get a little funky when using nested css, but it's waaaaay better than looking at plain text and you don't need to install a separate ...
What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
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