I am dreaming of a Python library which abstracts the file handling of my application.
The application should run in two different configurations:
- No storage server. All file operations get done on the local disk.
- With storage server. All file operations should get done via s3.
I would like to do separation of concerns.
The application code should not care which configuration gets used. Choosing the right configuration (with or without storage server) gets done via configuration management.
I don’t need all file operations which I can do via
os.path. I just need all operations which can be done via s3.
Other required features:
- Open source: BSD or LGPL, not GPL
- Support for Linux. Other operating systems are not important in this context.
Distinction / out off scope
I don’t want all file operations (like
os.walk()). I just need the fundamental storage APIs of s3, but without a running storage server.
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I was wondering does anyone know if there’s a tool similar to nativefier that allows you to convert any website as an android app/apk?
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Does some piece of software exist,
- Where when I copy and paste information from a website, it will auto-format the copy/citation into markdown
- Sum all the common base url’s together so that the entire page is not blue. (this is not necessary, would be great)
Let’s say I copy information from Software Recommendations tour page
Software Recommendations Stack Exchange is a question and answer site for people seeking specific software recommendations
In order for me to do that, I had to hit Ctrl-L and then a copy paste of the words “Software Recommendations Stack Exchange is a question and answer site for people seeking specific software recommendations”, where as in the bookmark application Pinboard, if I select/highlight the information, it brings all the text highlighted, into the bookmark automatically.
Examples of Pinboard
Seen in the wild
I know this happens when you try and copy a motivational quote from this website Brainy Quote
Brainy Quote Output after Paste
Only I can change my life. No one can do it for me. Read more at:
After seeing this, I searched stackexchange and found this
How to add extra info to copied web text
- this proved it’s possible.
I also found this, but it did not happen to solve the person’s question.
Markdown editor to preserve URL links in text copied from browser
He asked this “Markdown editor to preserve URL links in text copied from browser”
It is hilarious because in order to properly cite him, I had to take a picture because I could not copy and paste it properly without a lot of pain to show you what his question was in order to save you the pain of clicking through the link
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Apache Ignite(TM) In-Memory Data Fabric is a high-performance, integrated and distributed in-memory platform for computing and transacting on large-scale data sets in real-time, orders of magnitude faster than possible with traditional disk-based or flash-based technologies.
You can view Ignite as a collection of independent, well-integrated, in-memory components geared to improve performance and scalability of your application. Some of these components include:
Apache Ignite APIs
Apache Ignite has a reach set of APIs that are covered throughout the documentation. The APIs are implemented in a form of native libraries for such major languages and technologies as Java, .NET and C++ and by supporting a variety of protocols like REST, Memcached or Redis.
The documentation that is located under this domain is mostly related to Java. Refer to the following documentation sections and domains to learn more about alternative technologies and protocols you can use to connect to and work with an Apache Ignite cluster:
Fork It on GIT
This is a very small DB Connector code in Java as a wrapper class to Apache DBUtils.
The Commons DbUtils library is a small set of classes designed to make working with JDBC easier. JDBC resource cleanup code is mundane, error prone work so these classes abstract out all of the cleanup tasks from your code leaving you with what you really wanted to do with JDBC in the first place: query and update data.
Some of the advantages of using DbUtils are:
- No possibility for resource leaks. Correct JDBC coding isn’t difficult but it is time-consuming and tedious. This often leads to connection leaks that may be difficult to track down.
- Cleaner, clearer persistence code. The amount of code needed to persist data in a database is drastically reduced. The remaining code clearly expresses your intention without being cluttered with resource cleanup.
- Automatically populate Java Bean properties from Result Sets. You don’t need to manually copy column values into bean instances by calling setter methods. Each row of the Result Set can be represented by one fully populated bean instance.
DbUtils is designed to be:
- Small – you should be able to understand the whole package in a short amount of time.
- Transparent – DbUtils doesn’t do any magic behind the scenes. You give it a query, it executes it and cleans up for you.
- Fast – You don’t need to create a million temporary objects to work with DbUtils.
DbUtils is not:
- An Object/Relational bridge – there are plenty of good O/R tools already. DbUtils is for developers looking to use JDBC without all the mundane pieces.
- A Data Access Object (DAO) framework – DbUtils can be used to build a DAO framework though.
- An object oriented abstraction of general database objects like a Table, Column, or Primary Key.
- A heavyweight framework of any kind – the goal here is to be a straightforward and easy to use JDBC helper library.
The code below allows us to convert BufferedImage to Mat (in OpenCV) and vice versa.
This becomes handy when getting images from network or certain other sources:
Manasa is out on a hike with friends. She finds a trail of stones with numbers on them. She starts following the trail and notices that two consecutive stones have a difference of either a or b. Legend has it that there is a treasure trove at the end of the trail and if Manasa can guess the value of the last stone, the treasure would be hers. Given that the number on the first stone was 0, find all the possible values for the number on the last stone.
Note: The numbers on the stones are in increasing order.
The first line contains an integer T, i.e. the number of test cases. T test cases follow; each has 3 lines. The first line contains nn (the number of stones). The second line contains a, and the third line contains b.
Space-separated list of numbers which are the possible values of the last stone in increasing order.
2 3 4
30 120 210 300
All possible series for the first test case are given below:
Hence the answer
2 3 4.
Series with different number of final steps for second test case are the following:
- 0, 10, 20, 30
- 0, 10, 20, 120
- 0, 10, 110, 120
- 0, 10, 110, 210
- 0, 100, 110, 120
- 0, 100, 110, 210
- 0, 100, 200, 210
- 0, 100, 200, 300
Hence the answer
30 120 210 300.
Original solution source