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Extract numbers from a string
I want to extract the numbers from a string that contains numbers and letters like:
20 Answers
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No generic implementation of OrderedDictionary?
...Dictionary isn't terribly difficult, but it's unnecessarily time consuming and frankly this class is a huge oversight on Microsoft's part. There are multiple ways of implementing this, but I chose to use a KeyedCollection for my internal storage. I also chose to implement various methods for sortin...
Convert a row of a data frame to vector
...ate a vector out of a row of a data frame. But I don't want to have to row and column names. I tried several things... but had no luck.
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MongoDB: How to query for records where field is null or not set?
...not set then:
db.emails.count({sent_at: {$exists: false}})
If its there and null, or not there at all:
db.emails.count({sent_at: null})
Refer here for querying and null
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Making a request to a RESTful API using python
... answered Jun 25 '13 at 19:55
andersschullerandersschuller
11.5k22 gold badges3535 silver badges3333 bronze badges
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Laravel Redirect Back with() Message
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Try
return Redirect::back()->withErrors(['msg', 'The Message']);
and inside your view call this
@if($errors->any())
<h4>{{$errors->first()}}</h4>
@endif
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How to get string width on Android?
... edited Oct 6 '16 at 22:03
Andrii Abramov
7,20566 gold badges4848 silver badges7070 bronze badges
answered Sep 2 '10 at 19:05
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Why does [5,6,8,7][1,2] = 8 in JavaScript?
...e second [...] cannot be an array, so it’s an array subscript operation. And the contents of a subscript operation are not a delimited list of operands, but a single expression.
Read more about the comma operator here.
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How can I submit a form using JavaScript?
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Set the name attribute of your form to "theForm" and your code will work.
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
I cannot find find FragmentPagerAdapter within Android.App.
5 Answers
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