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Django FileField with upload_to determined at runtime
...posed to having everyone's files go to MEDIA_ROOT. The problem is I don't know how to define this in the model. Here is how it currently looks:
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How can I scale an image in a CSS sprite
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hi @Robert. How about now?
– Tomasz Mularczyk
Aug 23 '17 at 6:32
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How to set -source 1.7 in Android Studio and Gradle
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Java 7 support was added at build tools 19. You can now use features like the diamond operator, multi-catch, try-with-resources, strings in switches, etc. Add the following to your build.gradle.
android {
compileSdkVersion 19
buildToolsVersion "19.0.0"
defaultCon...
Automatically capture output of last command into a variable using Bash?
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I don't know of any variable that does this automatically. To do something aside from just copy-pasting the result, you can re-run whatever you just did, eg
vim $(!!)
Where !! is history expansion meaning 'the previous command'.
I...
Cast Object to Generic Type for returning
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I know it's from the OP, but really { catch(ClassCastException e) { return null; } is unforgiveable
– artbristol
Jan 25 '13 at 16:38
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Database sharding vs partitioning
... multiple instances or servers, using some kind of logic or identifier to know which instance or server to look for the data. An identifier of this kind is often called a "Shard Key".
A common, key-less logic is to use the alphabet to divide the data. A-D is instance 1, E-G is instance 2 etc. Custo...
Getting an empty JQuery object
...it by using PHP instead of jQuery so I can't really dig more into it right now.
– cregox
Mar 2 '11 at 19:02
2
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
...pping, LINQ will load it successfully and set the column-String to null.
Now you change something and call
SubmitChanges().
LINQ will generate a SQL query
containing "WHERE [title] IS NULL", to make sure the title has not been changed by someone else.
LINQ looks up the properties of
[title] in the...
When should I use C++ private inheritance?
... +1 Iraimbilanja, very cool! BTW I saw your earlier comment (now deleted) about using the CRTP: I think that should in fact work, it's just tricky to get the syntax for template friends right. But in any case your non-template solution is much more awesome :)
– j_...
PostgreSQL: How to pass parameters from command line?
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Just note that now the foo is busy and another PREPARE should have another name while current session isn't closed. If you play with PREPARE into psql it's hard to invent each time a new name and DEALLOCATE can help with it =)
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