大约有 8,100 项符合查询结果（耗时：0.0214秒） [XML]
How to set working/current directory in Vim?
... when I want to create a new file by using the :e command I don't want to specify the whole path, just the new filename. Can it be done?
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Set Value of Input Using Javascript Function
I'm currently using a YUI gadget. I also do have a Javascript function to validate the output that comes from the div that YUI draws for me:
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An efficient way to transpose a file in Bash
I have a huge tab-separated file formatted like this
29 Answers
29
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Functional, Declarative, and Imperative Programming [closed]
What do the terms functional, declarative, and imperative programming mean?
14 Answers
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Break a previous commit into multiple commits
...t creating a branch and doing a bunch of funky work on a new branch, is it possible to break a single commit into a few different commits after it's been committed to the local repository?
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Cannot issue data manipulation statements with executeQuery()
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To manipulate data you actually need executeUpdate() rather than executeQuery().
Here's an extract from the executeUpdate() javadoc which is already an answer at its own:
Executes the given SQL statement, which may be an INSERT...
Mongoose: Get full list of users
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Well, if you really want to return a mapping from _id to user, you could always do:
server.get('/usersList', function(req, res) {
User.find({}, function(err, users) {
var userMap = {};
users.forEach(function(user) {
userMap[user._id] = user;
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Most underused data visualization [closed]
Histograms and scatterplots are great methods of visualizing data and the relationship between variables, but recently I have been wondering about what visualization techniques I am missing. What do you think is the most underused type of plot?
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How can I get the intersection, union, and subset of arrays in Ruby?
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Utilizing the fact that you can do set operations on arrays by doing &(intersection), -(difference), and |(union).
Obviously I didn't implement the MultiSet to spec, but this should get you started:
class MultiSet
attr_accessor :set
def initialize(set)
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CSS center text (horizontally and vertically) inside a div block
I have a div set to display:block ( 90px height and width ), and I have some text inside.
27 Answers
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