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Architecture for merging multiple user accounts together
...r's site
Table = ExternalAuths
[ ExternalAuthId | User_UserId | ProviderName | ProviderUserId ]
[ 56 | 23 | Facebook | "max.alexander.9"]
if the user wants to create an account with your own registration it would just be this ...
Caveats of select/poll vs. epoll reactors in Twisted
...ormation in a highly compact way (one bit per file descriptor). And the FD_SETSIZE (typically 1024) limitation on how many file descriptors you can use with select means that you'll never spend more than 128 bytes for each of the three fd sets you can use with select (read, write, exception). Comp...
C++ unordered_map using a custom class type as the key
I am trying to use a custom class as key for an unordered_map , like the following:
3 Answers
...
how to listen to N channels? (dynamic select statement)
...o a shared "aggregate" channel. For example:
agg := make(chan string)
for _, ch := range chans {
go func(c chan string) {
for msg := range c {
agg <- msg
}
}(ch)
}
select {
case msg <- agg:
fmt.Println("received ", msg)
}
If you need to know which channel the message ...
How to avoid reinstalling packages when building Docker image for Python projects?
...r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long as you do not make any changes to the requirements.txt, irrespective of the fact whether other code files at . were changed or not. Here's an example.
Here's a simp...
Why should I avoid using Properties in C#?
...you use public fields? Private fields usually have a different style, e.g. _field. Or just even lowercase field.
– Steven Jeuris
Jun 8 '11 at 11:08
...
What's the difference between deadlock and livelock?
... is a great video demonstrating deadlock and livelock: youtube.com/watch?v=_IxsOEEzf-c
– BlackVegetable
Apr 18 '15 at 22:25
|
show 4 more co...
How to get first and last day of previous month (with timestamp) in SQL Server
...tional date standard, follow this link:
https://en.wikipedia.org/wiki/ISO_8601
For further reading on the ODBC international date standard, follow this link:
https://technet.microsoft.com/en-us/library/ms190234(v=sql.90).aspx
To view the list of date formats I worked from, follow this link:
...
How to change the output color of echo in Linux
...are as follows:
Num Colour #define R G B
0 black COLOR_BLACK 0,0,0
1 red COLOR_RED 1,0,0
2 green COLOR_GREEN 0,1,0
3 yellow COLOR_YELLOW 1,1,0
4 blue COLOR_BLUE 0,0,1
5 magenta COLOR_MAGENTA 1,0,1
6 cyan COLOR_CY...
How to write WinForms code that auto-scales to system font and dpi settings?
...tion>
This PerMonitorV2 is new since Windows 10 Creators Update:
DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
Also known as Per Monitor v2. An advancement over the original
per-monitor DPI awareness mode, which enables applications to access
new DPI-related scaling behaviors on a per to...