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What is aspect-oriented programming?
...sic examples are security and logging. Instead of writing code within your application to log occurance of x or check object z for security access control there is a language contraption "out of band" of normal code which can systematically inject security or logging into routines that don't nativly...
Can I run multiple programs in a Docker container?
I'm trying to wrap my head around Docker from the point of deploying an application which is intended to run on the users on desktop. My application is simply a flask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to ...
TCP loopback connection vs Unix Domain Socket performance
Working on an Android and iOS based application which require communication with a server running in the same device. Currently using TCP loopback connection for communicating with App and Server (App written in user layer, server written in C++ using Android NDK)
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Convert Time from one time zone to another in Rails
...built into Rails, but is not part of the Ruby stdlib. If you have a rails app, no problem. If you have a straight Ruby app you'll need to be sure to require active support.
– Gayle
Jan 8 '13 at 15:58
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Why should I use document based database instead of relational database?
...uchDB instead of using relational database.
Are there any typical kinds of applications or domains where the document based database is more suitable than the relational database?
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Get nth character of a string in Swift programming language
...n?
The error message says "see the documentation comment for discussion". Apple provides the following explanation in the file UnavailableStringAPIs.swift:
Subscripting strings with integers is not available.
The concept of "the ith character in a string" has
different interpretations in...
How can I remove a trailing newline?
... EOL character. The Windows machine on which I was using this message had appended its own '\r\n' EOL character. Therefore, the end of each line looked like '\r\r\n'. Using rstrip('\r\n') would have taken off the entire '\r\r\n' which is not what I wanted. In that case, I simply sliced off the l...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...a free and necessary step to make requests for the v1.1 API.
2. Create an application: Create an application on the Twitter developer site
What? You thought you could make unauthenticated requests? Not with Twitter's v1.1 API.
You need to visit http://dev.twitter.com/apps and click the "Create App...
What is the difference between BIT and TINYINT in MySQL?
...all end up occupying a whole byte, but semantically BIT would be much more appropriate.
– MestreLion
Feb 23 '19 at 3:20
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postgresql port confusion 5433 or 5432?
...n Mac OS X systems by the horrible mess of different PostgreSQL packages - Apple's ancient version of PostgreSQL built in to the OS, Postgres.app, Homebrew, Macports, the EnterpriseDB installer, etc etc.
What ends up happening is that the user installs Pg and starts a server from one packaging, but...