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What are the best practices for using a GUID as a primary key, specifically regarding performance?
...Index Debate..........again!
Disk space is cheap - that's not the point!
PS: of course, if you're dealing with just a few hundred or a few thousand rows - most of these arguments won't really have much of an impact on you. However: if you get into the tens or hundreds of thousands of rows, or you ...
ctypes - Beginner
...specific problems on this site, I'm sure the community would help you out.
PS: I'm assuming you're on Linux because you've used ctypes.CDLL('libc.so.6'). If you're on another OS, things might change a little bit (or quite a lot).
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财务计算器拓展：复利计算、平均值、中位数、众数、方差计算 - App Invento...
Financial Calculator Extension
精心打造的“财务计算器”扩展，为您的Android应用程序增添先进的财务和统计功能。此扩展让您能够执行广泛的财务计算，从简单利息和复利到净现值和投资回报率。它还使您能够进行基本的统计计算...
In Django, how does one filter a QuerySet with dynamic field lookups?
...To "simply implement" this application would beget astronomical (>200 apps ^21 foos) functions to meet the requirements. You're reading purpose and intent into the example; you shouldn't. :)
– Brian M. Hunt
Nov 22 '08 at 15:07
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Using @include vs @extend in Sass?
...much about it because web server's gzip compression will take care of it.
PS Note that you can declare placeholder classes within media queries.
Update 2014-12-28: Extends produce more compact CSS than mixins do, but this benefit is diminished when CSS is gzipped. If your server serves gzipped CSS...
Git: what is a dangling commit/blob and where do they come from?
... the latest child commit in order to reach the older commits on a branch.
PS - The above diagram and understanding was obtained from this free course. Even though the course is quite old, the knowledge is still relevant.
sh...
How to secure an ASP.NET Web API [closed]
...e previous request, it will be rejected.
The demo code is put as here:
https://github.com/cuongle/Hmac.WebApi
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How do I handle the window close event in Tkinter?
...a flag, and then react to it.
(Note: I normally design GUIs as nicely encapsulated classes and separate worker threads, and I definitely don't use "global" (I use class instance variables instead), but this is meant to be a simple, stripped-down example to demonstrate how Tk abruptly kills your per...
How to gracefully handle the SIGKILL signal in Java
...wrapper script. You could do with this with a shell script that polled the ps command looking for your program in the list and act accordingly when it disappeared.
#!/usr/bin/env bash
java TestShutdownHook
wait
# notify your other app that you quit
echo "TestShutdownHook quit"
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REST API Best practice: How to accept list of parameter values as input [closed]
...).
The way I have seen some do a complicated query RESTfully is in two steps:
POST your query requirements, receiving back an ID (essentially creating a search criteria resource)
GET the search, referencing the above ID
optionally DELETE the query requirements if needed, but note that they requir...