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What is an idiomatic way of representing enums in Go?
...a type to an enum, so it can be type-checked when used as argument, field, etc.
– mna
Jan 20 '13 at 16:46
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AppInventor2中的二进制数据以什么样的形式传递？字节列表、字节数组是什么...
1、byte[] 类型（字节数组）的字段：App Inventor 无法直接处理字节数组，但它们可以作为扩展之间的通用 Object 类型变量进行交换。
MQTT拓展中的字节数组的处理方式就是这种，直接转换成byte[]：
@SimpleFunction(description = "Publishe...
What is the most pythonic way to check if an object is a number?
...s scalar-like. If you have values of different type (i.e. string, numeric, etc.) coming through, then the logic of your program may need some work - how did you end up trying to multiply a string by a numeric vector in the first place?
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Call a python function from jinja2
...ee. Yes, you can 'inject' namespaces (modules), functions, class instances etc. It is useful, but not as flexible as other template engines like mako. Still, jinja has other good points. I'd be grateful if you accept the answer if it helped :)
– Rob Cowie
May 1...
What's wrong with nullable columns in composite primary keys?
... comparisons. This can be a source of subtle bugs when sorting, comparing, etc.
Postgres assumes you're an adult and can make this decision for yourself. Oracle and DB2 assume you didn't realize you were doing something silly and throw an error. This is usually the right thing, but not always -- yo...
Managing relationships in Laravel, adhering to the repository pattern
...r "business problem".
A Course is a "entity", with attributes (title, id, etc) and even other entities (Assignments, which have their own attributes and possibly entities).
Your "Course" repository should be able to return a Course and the Courses' attributes/Assignments (including Assignment).
Y...
Android SDK installation doesn't find JDK
... leave a note for those seeking for another way (without registry hacking, etc.) to solve this on a Windows 64 bit system. Just add PATH (capital letters!!) to your environment Variables and set the value to your JDK-Path.
I added JDK to the existing "Path" which did not work, like it didn't with J...
How to Select Every Row Where Column Value is NOT Distinct
...en columns happen to collide with SQL keywords like _default, _type, _sum, etc.
– yzorg
Aug 17 '16 at 14:26
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Mediator Vs Observer Object-Oriented Design Patterns
...ter themselves and receive notifications upon events, e. g. ButtonListener etc.
Both of these patterns allow for lesser coupling, but are quite different.
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How do I add custom field to Python log format string?
...ng.DEBUG, msg, args, extra=extra, **kwargs)
*repeat for info, warning, etc*
logger = CustomLogger('CustomLogger', logging.DEBUG)
formatter = logging.Formatter('%(asctime)s [%(foo)s] %(message)s')
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logger.addHandler(handler)
log...