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Doctrine and composite unique keys
... notes here:
Column "name" is omitted since Doctrine is able to guess it based on
the property name
Since videoDimension and videoBitrate are both parts of the PK - there is no need to specify nullable = false
If required - the Composite PK may be composed of foreign keys, so feel free to add some...
Why does C++ not allow inherited friendship?
...e to change Foo as doing so would introduce breaking changes into the code base (as I could not modify all class derived from Bar).
Thus if friendship was inherited you are inadvertently introducing a restriction on the ability to modify a class. This is undesirable as you basically render useless ...
Do event handlers stop garbage collection from occurring?
...rticular, the target): it depends whether MyFunction is static or instance-based.
A delegate (such as an event subscription) to an instance method includes a reference to the instance. So yes, an event subscription will prevent GC. However, as soon as the object publishing the event (pClass above) ...
Git: how to reverse-merge a commit?
...esults of git show relate to parent numbers. Is the "order they appear" 1-based? 0-based? In this example specifically, what is the SHA1 of parent 1? e4c54b3 or 4725ad2?
– cowlinator
Dec 5 '17 at 20:33
...
Flattening a shallow list in Python [duplicate]
...Lott: You inspired me to write a timeit app.
I figured it would also vary based on the number of partitions (number of iterators within the container list) -- your comment didn't mention how many partitions there were of the thirty items. This plot is flattening a thousand items in every run, with ...
Finding what methods a Python object has
...for a class object: its attributes, and recursively the attributes of its bases.
for any other object: its attributes, its class's attributes, and
recursively the attributes of its class's base classes.
For example:
$ python
Python 2.7.6 (default, Jun 22 2015, 17:58:13)
[GCC 4.8.2] on linu...
Javadoc @see or {@link}?
...ption, and it is used as a replacement for multiple links to the same.
I based this opinion on randomly checking out documentation for a great variety of things in the standard library.
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How to get Sinatra to auto-reload the file after each change?
... seems to work better in this regard, but it also seems to re-load the database sessions.
– kristianlm
Oct 5 '11 at 12:44
...
Replacement for deprecated sizeWithFont: in iOS 7?
...cause that series of NSString+UIKit functions (sizewithFont:..., etc) were based on the UIStringDrawing library, which wasn't thread safe. If you tried to run them not on the main thread (like any other UIKit functionality), you'll get unpredictable behaviors. In particular, if you ran the functio...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...2、12 和 2.12），以及带前缀的其他机制数字，包括：
Base-2（二进制）数字，例如 0b10（等于十进制 2）
Base-8（八进制）数字，例如 0o14（等于十进制 12）
Base-16（十六进制）数字，例如 0xd4（等于十进制 212）
进制数字块 ( ...