大约有 9,000 项符合查询结果(耗时:0.0179秒) [XML]
Is Hash Rocket deprecated?
The well-cited RIP Hash rocket post would seem to imply the Hash Rocket syntax ( :foo => "bar" ) is deprecated in favor of the new-to-Ruby JSON-style hash ( foo: "bar" ), but I can't find any definitive reference stating the Hash Rocket form is actually deprecated/unadvised as of Ruby 1.9.
...
RegEx for matching UK Postcodes
I'm after a regex that will validate a full complex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
...
What MIME type should I use for CSV?
I've seen application/csv used and also text/csv .
5 Answers
5
...
Python matplotlib multiple bars
How to plot multiple bars in matplotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only.
How can I plot the multiple bars with dates on the x-axes?
...
How can I produce an effect similar to the iOS 7 blur view?
I'm trying to replicate this blurred background from Apple's publicly released iOS 7 example screen:
12 Answers
...
The calling thread cannot access this object because a different thread owns it
My code is as below
14 Answers
14
...
How do I print debug messages in the Google Chrome JavaScript Console?
How do I print debug messages in the Google Chrome JavaScript Console?
14 Answers
14
...
Getting LaTeX into R Plots
I would like to add LaTeX typesetting to elements of plots in R (e.g: the title, axis labels, annotations, etc.) using either the combination of base/lattice or with ggplot2 .
...
File name? Path name? Base name? Naming standard for pieces of a path
I keep getting myself in knots when I am manipulating paths and file names, because I don't have a common naming system that I use.
...
What's the difference between eval, exec, and compile?
I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement.
...
