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How do I print out the contents of an object in Rails for easy debugging?
... display more data (metadata, perhaps?) than I care to see. If I'm looking for the YAML version of a record I'll use y record_name.attributes. #y is an alias for to_yaml.
– Tass
Jan 14 '16 at 15:16
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...x报错postfix: fatal: parameter inet_interfaces: no local interface found for ::1
则 vi /etc/postfix/main.cf修改配置：
inet_interfaces = all
install_root: [/]
tempdir: [/root/postfix-2.9.1] /tmp/postfix
config_directory: [/etc/postfix]
command_directory: [/usr/sbin]
daemon_directo...
How can I find unused images and CSS styles in a website? [closed]
...nd error) I can use to find unused image files? How about CSS declarations for ID's and Classes that don't even exist in the site?
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Optional query string parameters in ASP.NET Web API
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Can I use null here as a default? For instance: string author=null ?
– Boris Zinchenko
Jul 24 '16 at 12:50
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...外，条件表达式中的与或非为分是：and, or, not关键字。
for 循环
从1加到100
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sum = 0
for i = 1, 100 do
sum = sum + i
end
从1到100的奇数和
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sum = 0
for ...
jQuery - multiple $(document).ready …?
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Remember seeing $(function() { // do stuff }); for the first time, and how difficult it was to Google the explanation? $(document).ready communicates so much more for so little...
– Matt Montag
Oct 15 '13 at 20:19
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Select elements by attribute in CSS
Is it possible to select elements in CSS by their HTML5 data attributes (for example, data-role )?
5 Answers
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Disabling and enabling a html input button
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Do I need the attributes there for this to work? like disables="disable"
– k.ken
Dec 12 '12 at 2:21
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JQuery Event for user pressing enter in a textbox?
... It's worth noting that in a scenario of enter detection to prevent form submission, "keyup" event is not optimal because the form detects the submit on keydown. Thus "keydown" or "keypress" might be better in that case.
– TechNyquist
Apr 12 '17 at 8:19
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How do I fix blurry text in my HTML5 canvas?
...d now need to fill 2000px to match it's stated width on the iPad display. Fortunately for us, this is done automatically by the browser. On the other hand, this is also the reason why you see less definition on images and canvas elements that were made to directly fit their visible area. Because ...