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Access-control-allow-origin with multiple domains
...ains fairly easy and support multiple Top-Level domains (e.g com, org, net etc.).
– Merlin
Nov 11 '15 at 6:35
4
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...dicts iterate over keys, not over kv-pairs. cf list({..}), for k in {...} etc
– georg
Apr 1 '17 at 22:05
2
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Map enum in JPA with fixed values?
... use a provider extension (with Hibernate UserType, EclipseLink Converter, etc). (the second solution). ~or~
You'll have to use the @PrePersist and @PostLoad trick (the first solution). ~or~
Annotate getter and setter taking and returning the int value ~or~
Use an integer attribute at the entity lev...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
...ee http://www.sqlite.org/pragma.html
Otherwise all I can recommend is to fetch columns in a result set by ordinal position rather than by column name, if it's too much trouble for you to type the names of the columns in your query.
This is a good example of why it's bad practice to use SELECT * --...
How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
... RHEL/CentOS.
No need for priv, dorky binaries, hacky scripts, libpcap, etc. Win.
$ sar -n DEV 1 3
Linux 2.6.18-194.el5 (localhost.localdomain) 10/27/2010
02:40:56 PM IFACE rxpck/s txpck/s rxbyt/s txbyt/s rxcmp/s txcmp/s rxmcst/s
02:40:57 PM lo 0.00 0.00 ...
usr/bin/ld: cannot find -l
...es require some decorations (libfoo0-dev? foo-dev without the lib prefix? etc), or you can simply use your distro's package search to find out precisely which packages provide a particular file.
(If there is more than one, you will need to find out what their differences are. Picking the coolest o...
Why return NotImplemented instead of raising NotImplementedError
... binary special methods (e.g. __eq__(),
__lt__(), __add__(), __rsub__(), etc.) to indicate that the operation is not implemented with respect to the other type
exception NotImplementedError
[...] In user defined base
classes, abstract methods should raise this exception when they
require...
JavaScript OOP in NodeJS: how?
...ws us to use Javascript "classes" like we would with Java, C++, C#, Swift, etc.
Screenshot from the video showing how to write and instantiate a Javascript class/subclass:
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Objective-C Static Class Level variables
I have a class Film, each of which stores a unique ID. In C#, Java etc I can define a static int currentID and each time i set the ID i can increase the currentID and the change occurs at the class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for...
Forward declaring an enum in C++
... forward declare several things in C++ including: struct, class, function, etc...
But can you forward declare an enum in C++?
No you can't.
But why not allow it? If it were allowed you could define your enum type in your header file, and your enum values in your source file. Sounds like it sh...