大约有 45,791 项符合查询结果（耗时：0.0907秒） [XML]
Counting the number of elements with the values of x in a vector
... 2 2 1 1 2 1 2 1 3 1 1 1 1
Then you can subset it:
> a[names(a)==435]
435
3
Or convert it into a data.frame if you're more comfortable working with that:
> as.data.frame(table(numbers))
numbers Freq
1 4 2
2 5 1
3 23 2
4 3...
Timeout for python requests.get entire response
I'm gathering statistics on a list of websites and I'm using requests for it for simplicity. Here is my code:
19 Answers
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How to download a file with Node.js (without using third-party libraries)?
How do I download a file with Node.js without using third-party libraries ?
27 Answers
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Prevent errors from breaking / crashing gulp watch
...ails of the error in the console
console.log(error.toString())
this.emit('end')
}
I think you have to bind this function on the error event of the task that was falling, not the watch task, because that's not where comes the problem, you should set this error callback on each task that may fa...
How to re-open an issue in github?
I have reported an issue to a project. Now owner changed it state to closed, but how can I change it to open again ?
I read somewhere that I need rights for push and pull operation. Is that true ?
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
...
You can use an utility function like this:
get = function(obj, key) {
return key.split(".").reduce(function(o, x) {
return (typeof o == "undefined" || o === null) ? o : o[x];
}, obj);
}
Usage:
get(user, 'loc.lat') // 50...
What's a Good Javascript Time Picker? [closed]
...dalone js? I would like something like google uses in their calendar where it has a drop down of common times in 15min intervals or lets you manually type in a time and it validates it.
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What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
I was reading about JSF that its a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
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Android Whatsapp/Chat Examples [closed]
...plication like WhatsApp ? I want to understand how WhatsApp works and how it is programmed.
2 Answers
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What is the easiest way to remove all packages installed by pip?
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I've found this snippet as an alternative solution. It's a more graceful removal of libraries than remaking the virtualenv:
pip freeze | xargs pip uninstall -y
In case you have packages installed via VCS, you need to exclude those lines and remove the packages manually (e...