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Django. Override save for model

... Some thoughts: class Model(model.Model): _image=models.ImageField(upload_to='folder') thumb=models.ImageField(upload_to='folder') description=models.CharField() def set_image(self, val): self._image = val self._image_changed = True ...
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The point of test %eax %eax [duplicate]

...the arguments to CMP are equal. So, TEST %eax, %eax JE 400e77 <phase_1+0x23> jumps if the %eax is zero. share | improve this answer | follow | ...
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PDB文件:每个开发人员都必须知道的 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...入GAC的.NET的binary,需要将PDB文件拷贝到C:\Windows\assembly\GAC_MSIL\Example\1.0.0.0__682bc775ff82796a类似的binary所在的目录。另一个变通的方法是定义环境变量DEVPATH,从而代替使用命令GACUTIL将binary放入GAC中。在定义DEVPATH后,只需要将binary和...
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可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术

... fchown lstat setgid symlink aio_error fcntl mkdir setpgid sysconf aio_return fdatasync mkfifo setsid tcdrain aio_suspend fork open setsockop...
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Eclipse Android Plugin — libncurses.so.5

... i do have libncurses5 [root@t520 init.d]# yum install ncurses-libs.x86_64 Loaded plugins: langpacks, presto, refresh-packagekit Setting up Install Process Package ncurses-libs-5.9-2.20110716.fc16.x86_64 already installed and latest version Nothing to do – amphibient ...
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Cannot create an NSPersistentStoreCoordinator with a nil model

... Your right. It's null and so this line is causing the error: ` __persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]];` Changing to mom doesn't seem to fix anything though – Dominic Williams ...
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?

...the is prefix used for booleans. davetron5000.github.com/scala-style/naming_conventions/methods/… – Esko Luontola Jun 1 '10 at 20:40 7 ...
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Why do people say that Ruby is slow? [closed]

...o numbers, indexing an array. Where other languages expose hacks (Python's __add__ method, Perl's overload.pm) Ruby does pure OO in all cases, and this can hurt performance if the compiler/interpreter is not clever enough. If I were writing a popular web application in Ruby, my focus would be on ca...
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How do I create delegates in Objective-C?

...rmat:@"Parameter does not conform to MyDelegate protocol at line %d", (int)__LINE__]; } in your delegate accessor (setDelegate) code. This helps minimize mistakes. share | improve this answer ...
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PHP calculate age

...is not safe to rely on the system's timezone settings, even when I add date_default_timezone_set('Europe/Brussels'); – stef Sep 23 '10 at 9:01 1 ...