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How to concatenate items in a list to a single string?
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It's very useful for beginners to know
why join is a string method.
It's very strange at the beginning, but very useful after this.
The result of join is always a string, but the object to be joined can be of many types (generators, list, tuples, etc).
.jo...
How to change Hash values?
... probably safe, because the modification doesn't change future iterations. Now if another key (that wasn't the one passed to the block) was assigned, then there would be trouble.
– Kelvin
Mar 20 '12 at 18:15
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How do I get the object if it exists, or None if it does not exist?
...u can do it this way:
go = Content.objects.filter(name="baby").first()
Now go variable could be either the object you want or None
Ref: https://docs.djangoproject.com/en/1.8/ref/models/querysets/#django.db.models.query.QuerySet.first
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Objective-C for Windows
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WinObjC? Windows Bridge for iOS (previously known as ‘Project Islandwood’).
Windows Bridge for iOS (also referred to as WinObjC) is a Microsoft open source project that provides an Objective-C development environment for Visual Studio/Windows. In addition, WinObjC...
Can an Android NFC phone act as an NFC tag?
... NFC phone will act as an NFC reader which will read data from an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone behave as the tag which an NFC reader will get data from?
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What does the `forall` keyword in Haskell/GHC do?
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OK, I got my six hours and can now decode your answer. :) Between you and Norman I got exactly the kind of answer I was looking for. Thanks.
– JUST MY correct OPINION
Jun 19 '10 at 0:37
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Search all the occurrences of a string in the entire project in Android Studio
I've just started using Android Studio (IntelliJ), and I now look for the feature to find the occurrence of a string in any of the files in my project. For example: I want to find all the files that contain the string " .getUuid() "
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jQuery text() and newlines
...html(this.html().replace(/\n/g,'<br/>'));
return this;
}
// Now you can do this:
$("#example").multiline('this\n has\n newlines');
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p id="example"></p>
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What is pseudopolynomial time? How does it differ from polynomial time?
...then it will take some worst-case amount of time, say T, to complete. If I now add a single bit to the end of the number, like this:
100010101010111
The runtime will now (in the worst case) be 2T. I can double the amount of work the algorithm does just by adding one more bit!
An algorithm run...
Cannot hide status bar in iOS7
I just upgraded my iPhone 5 iOS 7 to four beta version. Now when I run my app from Xcode 5 on this iPhone, status bar doesn’t hide, even though it should.
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