大约有 44,000 项符合查询结果（耗时：0.0634秒） [XML]
Determine file creation date in Java
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166
Java nio has options to access creationTime and other meta-data as long as the filesystem prov...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
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172
Try this:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
ret...
Change size of axes title and labels in ggplot2
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321
You can change axis text and label size with arguments axis.text= and axis.title= in function th...
Set line spacing
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Try the line-height property.
For example, 12px font-size and 4px distant from the bottom and upper lines:
line-height: 20px; /* 4px +12px + 4px */
Or with em units
line-height: 1.7em; /* 1em = 12px in this case. 20/12 == 1.666666 */
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ActiveRecord: List columns in table from console
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215
This will list the column_names from a table
Model.column_names
e.g. User.column_names
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Is it possible to search for a particular filename on GitHub?
...rticular pathname (e.g. searching for path:/app/models/user.rb yields >109k results), but is there a way to search all repositories for filenames independent of their subdirectory location? I tried using asterisks in the path argument, and that didn't seem to work.
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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
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157
No, that's not the rule I would use.
The major use-case I've found for the fat-arrow in defin...
raw vs. html_safe vs. h to unescape html
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391
Considering Rails 3:
html_safe actually "sets the string" as HTML Safe (it's a little more comp...