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Get keys from HashMap in Java
...et of all keys.
team1.put("foo", 1);
team1.put("bar", 2);
will store 1 with key "foo" and 2 with key "bar". To iterate over all the keys:
for ( String key : team1.keySet() ) {
System.out.println( key );
}
will print "foo" and "bar".
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ActiveModel::ForbiddenAttributesError when creating new user
I have this model in Ruby but it throws a ActiveModel::ForbiddenAttributesError
7 Answers
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How is attr_accessible used in Rails 4?
attr_accessible seems to no longer work within my model.
5 Answers
5
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How to list npm user-installed packages?
...o I list the user-installed package ONLY in npm ? When I do npm -g list it outputs every package and their dependencies, which is not what I want.
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How can I scroll a web page using selenium webdriver in python?
...e_script("window.scrollTo(0, Y)")
where Y is the height (on a fullhd monitor it's 1080). (Thanks to @lukeis)
You can also use
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
to scroll to the bottom of the page.
If you want to scroll to a page with infinite loading, l...
Does file_get_contents() have a timeout setting?
...fault_socket_timeout ini-setting, which is 60 seconds. You can also change it on the fly:
ini_set('default_socket_timeout', 900); // 900 Seconds = 15 Minutes
Another way to set a timeout, would be to use stream_context_create to set the timeout as HTTP context options of the HTTP stream wrapper i...
xpath find if node exists
...follow
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edited Apr 20 '09 at 11:33
answered Apr 20 '09 at 11:26
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我用AnyComponent块改造了App，30个按钮的代码从300行缩成了10行 - App应用...
... Button2.背景颜色 为 绿色
……
现在只需要：
for each item button in list deskButtons
执行：
设置 任意组件 button 的 背景颜色 为 绿色
设置 任意组件 button 的 已启用 为 真
Step 3: 一个事件处理所有按...
filename and line number of python script
...follow
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edited Jan 4 at 13:53
Yash
5388 bronze badges
answered Jun 16 '10 at 18:52
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TortoiseHg Apply a Patch
...seHg allows you to email a patch file of your changes to someone, but does it support applying patches?
4 Answers
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