大约有 46,000 项符合查询结果(耗时:0.0609秒) [XML]

https://stackoverflow.com/ques... 

Best way of returning a random boolean value

... A declarative snippet using Array#sample: random_boolean = [true, false].sample share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

UILabel text margin [duplicate]

I'm looking to set the left inset/margin of a UILabel and can't find a method to do so. The label has a background set so just changing its origin won't do the trick. It would be ideal to inset the text by 10px or so on the left hand side. ...
https://stackoverflow.com/ques... 

Shading a kernel density plot between two points.

...ently use kernel density plots to illustrate distributions. These are easy and fast to create in R like so: 5 Answers ...
https://stackoverflow.com/ques... 

Styling text input caret

...e caret of a focused <input type='text'/> . Specifically, the color and thickness. 5 Answers ...
https://stackoverflow.com/ques... 

Why are floating point numbers inaccurate?

...t numbers are represented a lot like scientific notation: with an exponent and a mantissa (also called the significand). A very simple number, say 9.2, is actually this fraction: 5179139571476070 * 2 -49 Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossibl...
https://stackoverflow.com/ques... 

Pipe output and capture exit status in Bash

I want to execute a long running command in Bash, and both capture its exit status, and tee its output. 15 Answers ...
https://stackoverflow.com/ques... 

Selecting data frame rows based on partial string match in a column

...a data.table (but also remember that subsetting approaches for data.frames and data.tables are not identical): library(data.table) mtcars[rownames(mtcars) %like% "Merc", ] iris[iris$Species %like% "osa", ] If that is what you had, then perhaps you had just mixed up row and column positions for su...
https://stackoverflow.com/ques... 

ValueError: numpy.dtype has the wrong size, try recompiling

I just installed pandas and statsmodels package on my python 2.7 When I tried "import pandas as pd", this error message comes out. Can anyone help? Thanks!!! ...
https://stackoverflow.com/ques... 

How efficient can Meteor be while sharing a huge collection among many clients?

...iption provides; the Mongo driver, which watches the database for changes; and the merge box, which combines all of a client's active subscriptions and sends them out over the network to the client. Publish functions Each time a Meteor client subscribes to a collection, the server runs a publish f...
https://stackoverflow.com/ques... 

How to format a float in javascript?

.....or just use toFixed, as proposed by Tim Büthe. Forgot that one, thanks (and an upvote) for reminder :) share | improve this answer | follow | ...