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How to add multiple objects to ManyToMany relationship at once in Django ?
...o arguments, use *
add(*[obj1, obj2, obj3])
Addendum:
Django does not call obj.save() for each item but uses bulk_create(), instead.
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How to keep/exclude a particular package path when using proguard?
...specify in what way it doesn't work. Your configuration keeps the names of all public classes in the specified package:
-keep public class com.myapp.customcomponents.*
The following configuration keeps the names of all public classes in the specified package and its subpackages:
-keep public cla...
C# Iterate through Class properties
I'm currently setting all of the values of my class object Record .
4 Answers
4
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How to estimate a programming task if you have no experience in it [closed]
...st answer you can give is to ask for time to knock up a quick prototype to allow you to give a more accurate estimate. Without some experience with a tool or a problem, any estimate you give is essentially meaningless.
As an aside, there is very rarely a problem with giving too long an estimate. Un...
I want my android application to be only run in portrait mode?
...
In the manifest, set this for all your activities:
<activity android:name=".YourActivity"
android:configChanges="orientation"
android:screenOrientation="portrait"/>
Let me explain:
With android:configChanges="orientation" you tell Andro...
Is the Javascript date object always one day off?
...24T00:00:00")), it would have been parsed in your local timezone. (Historically there have been inconsistencies there, not least because the spec changed more than once, but modern browsers should be okay; or you can always include a timezone indicator.)
You're getting the right date, you just never...
Can you split a stream into two streams?
... @JoD It is thread-safe if heads and tails are thread-safe. Additionally, assuming the use of non-parallel streams, only the order is not guaranteed, so they are thread-safe. It's up to the programmer to fix concurrency issues, so this answer is perfectly suitable if the collections are threa...
Right query to get the current number of connections in a PostgreSQL DB
...ence.
Both queries are based on exactly the same data, so they will be equally accurate.
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How to change the value of ${user} variable used in Eclipse templates
...er at your command line, or using the eclipse.ini file in your eclipse install root directory.
This seems to work fine for me:
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
256M
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Duser.name=Davide Inglima
-Xms40m
-Xmx512m
Update:
http://morlho...
Determine if two rectangles overlap each other?
...er to construct rectangles (between 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
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