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Pandas read_csv low_memory and dtype options
...aving to change the dtype of that column when you read the last value.
Consider the example of one file which has a column called user_id.
It contains 10 million rows where the user_id is always numbers.
Since pandas cannot know it is only numbers, it will probably keep it as the original strings un...
Find() vs. Where().FirstOrDefault()
...able and have a greater impact.
I guess my next question would be why did they add the find at all. That is a good tip. The only thing I can think of is that the FirstOrDefault could return a different default value other than null. Otherwise it just seems like a pointless addition
Find on Lis...
Android: textColor of disabled button in selector not showing?
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You need to also create a ColorStateList for text colors identifying different states.
Do the following:
Create another XML file in res\color named something like text_color.xml.
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com...
Original purpose of ? [closed]
I am curious about the original purpose of the <input type="hidden"> tag.
5 Answers
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Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
... alternate to install that apk file by giving any specific device Emulator id or any name ???
Please help me if there is any idea for it. . .
Thanks.
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Can a div have multiple classes (Twitter Bootstrap) [duplicate]
...me then it'll be the one that's defined last on the CSS). So you better avoid doing stuff like this:
<p class="text-center text-left">Some text</p>
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Reference: mod_rewrite, URL rewriting and “pretty links” explained
...ay also look like this:
GET /foo/bar?baz=42 HTTP/1.1
This is just as valid a request for a URL, and it has more obviously nothing to do with files.
The web server is an application listening on a port, accepting HTTP requests coming in on that port and returning a response. A web server is entir...
Will the base class constructor be automatically called?
...s not. So in order to create a parametersless constructor, you need to provide an argument to the base constuctor, which you can do with the base implementation.
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Can you nest html forms?
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I agree with what others have said. This limitation seems arbitrary and harmful.
– aroth
Jul 7 '14 at 6:43
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AngularJS UI Router - change url without reloading state
Currently our project is using default $routeProvider , and I am using this "hack", to change url without reloading page:
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