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Django - filtering on foreign key properties
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Asset.objects.filter( project__name__contains="Foo" )
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MySQL DROP all tables, ignoring foreign keys
... your database like this:
SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;')
FROM information_schema.tables
WHERE table_schema = 'MyDatabaseName';
Note 1: This does not execute the DROP statements, it just gives you a list of them. You will need to cut and paste the output into your SQL...
How to get Linux console window width in Python
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rows, columns = subprocess.check_output(['stty', 'size']).split() is a little shorter, plus subprocess is the future
– cdosborn
Mar 17 '15 at 2:00
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Debugging Package Manager Console Update-Database Seed Method
...ext.Database.GetPendingMigrations() instead.
– stevie_c
Apr 27 '18 at 14:11
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Is there a benefit to defining a class inside another class in Python?
... use a metaclass, it's sometimes handy to do
class Foo(object):
class __metaclass__(type):
....
instead of defining a metaclass separately, if you're only using it once.
The only other time I've used nested classes like that, I used the outer class only as a namespace to group a bun...
How do you get assembler output from C/C++ source in gcc?
.... The output file can be still be set by using the -o option.
gcc -S -o my_asm_output.s helloworld.c
Of course this only works if you have the original source.
An alternative if you only have the resultant object file is to use objdump, by setting the --disassemble option (or -d for the abbreviat...
Concatenating two lists - difference between '+=' and extend()
... function call, which is slightly more expensive in Python than the INPLACE_ADD.
It's really nothing you should be worrying about, unless you're performing this operation billions of times. It is likely, however, that the bottleneck would lie some place else.
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Elegant ways to support equivalence (“equality”) in Python classes
... and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
... cpuid
cmp eax, 80000004h
jb not_supported
mov di, offset CPU_name
mov eax, 80000002h
cpuid
call save_string
mov eax, 80000003h
cpuid
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How to Execute SQL Server Stored Procedure in SQL Developer?
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You don't need EXEC clause. Simply use
proc_name paramValue1, paramValue2
(and you need commas as Misnomer mentioned)
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