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Django filter queryset __in for *every* item in list
...(self):
return self.name
In [2]: t1 = Tag.objects.create(name='holiday')
In [3]: t2 = Tag.objects.create(name='summer')
In [4]: p = Photo.objects.create()
In [5]: p.tags.add(t1)
In [6]: p.tags.add(t2)
In [7]: p.tags.all()
Out[7]: [<Tag: holiday>, <Tag: summer>]
Using chained f...
Can I underline text in an Android layout?
How can I define underlined text in an Android layout xml file?
25 Answers
25
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What's the difference between ES6 Map and WeakMap?
...s you see, after removing k1 key from the memory we can still access it inside the map. At the same time removing k2 key of WeakMap removes it from wm as well by reference.
That's why WeakMap hasn't enumerable methods like forEach, because there is no such thing as list of WeakMap keys, they are ju...
How to install Android SDK Build Tools on the command line?
I want to setup the Android dev environment from command line, and encounter the following issue:
19 Answers
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When should I use UNSIGNED and SIGNED INT in MySQL?
...d ranges from about -n/2 to n/2.
In this case, you have an AUTO_INCREMENT ID column, so you would not have negatives. Thus, use UNSIGNED. If you do not use UNSIGNED for the AUTO_INCREMENT column, your maximum possible value will be half as high (and the negative half of the value range would go unu...
Entity Framework 4 - AddObject vs Attach
... is used to update (or delete) the appropriate row by finding its matching ID in the db table.
Furthermore, using the Attach method, you can define relationships between entities that already exist in the ObjectContext but that have not been connected automatically. Basically the main purpose of A...
How can I get the corresponding table header (th) from a table cell (td)?
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what about colspans?
– bradvido
Jan 23 '15 at 21:08
@bradvido - My answer takes that into acc...
Iterating through a JSON object
...rate over something else, you'll have to iterate over something else. You didn't say what you wanted to iterate over. A Python tutorial would be a good place to find out what you can iterate over, and what it would do.
– Thomas Wouters
Apr 28 '10 at 23:42
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How to properly reuse connection to Mongodb across NodeJs application and modules
...tion should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file where everything starts) connects to database and creates object variable that is passed to modules. Once connected this variable will be used by modules code as necessary a...
No IUserTokenProvider is registered
I recently updated Asp.Net Identity Core of my application form 1.0 to 2.0.
10 Answers
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