It looks like XStream (com.thoughtworks.xstream -> xstream 1.4.2) is handling underscores in element and attribute names in a very strange way. I need to fetch and parse an xml from a customer that are having underscores in their attributes. This is my first try with XStream and I'm a bit disappointed as I was hoping to avoid all the ugly xml parsing.
XStream uses the underscore to escape characters in identifiers that are valid in Java but invalid in XML (see here). So the underscore itself has to be escaped. You can use a custom NameCoder as described in the FAQ.
For the past two years I have been using RxJS extensively, in Cycle.js and in other contexts. Recently, TylorS and I have decided to build a new reactive streams library comparable to RxJS, called xstream.
RxJS Observables are generally cold. This means that two different calls to subscribe() will generate two separate side effect free executions of the Observable. Hot, on the other hand, is when different calls to subscribe() may share the same execution of the Observable.
In general, xstream is more suitable than RxJS when the number of subscribe() calls in an application is very small, and most of the logic is in the operator chain. On the other side, RxJS is more suitable than xstream when there are multiple calls to subscribe() of multiple Observables, or when RxJS is mixed with imperative programming, object-oriented programming and other diverse settings.
We made a quick survey in the Cycle.js community to check what are the most common operators used on a daily basis. We even ran a small script to gather a histogram of operators used in a codebase. It turns out, out of all the 175+ operators in RxJS, only about 20 of them are commonly used in Cycle.js apps, such as: map, filter, startWith, combineLatest, merge, of, take, scan, skip, flatMap, flatMapLatest, interval, let, distinctUntilChanged, withLatestFrom, takeUntil, concat, last, debounce.
The presence of all the other 155+ operators in RxJS creates noise when choosing operators. While glancing the list, developers are not sure if a particular operator is commonly used or relevant for their problem at hand.
Our guideline was that a name should be a really strong hint towards the behavior of the operator. For instance the xstream operator remember() hints that the operator has some memory, it remembers something. In fact, it keeps in memory the most recently emitted event, and broadcasts that stored event to any newly added listener.
When we need to choose between terseness and readability, we choose the latter. For experienced programmers, the cost of typing a few more characters is at worst a first-world problem. If developers can understand code in xstream without reading the documentation, we will have accomplished our goals. Of course, we will test-drive the API with the community. So far we just have a good guess on what is an intuitive API.
When building the next big version of Cycle.js, called Cycle Diversity, we made it possible to build a driver in one stream library while consuming it in an application built with another stream library.
For instance this would enable one to use the Cycle DOM driver written in RxJS v4 with a Cycle.js app written in RxJS v5. However, the off-the-shelf packages for these libraries are quite large (200+ kB each). Including both of them would be 400+ kB, before any user code is added. There are ways of customizing them to have only what is needed, but there is still some common large boilerplate to bring along, and it is quite common for developers not to customize their consumed variant of RxJS.
We wanted to provide a smart default. xstream is under 30 kB in size, and it is ideal for using as a stream library in a driver. Cycle applications can still be written in RxJS v5, for instance, while utilizing a driver written in xstream.
I am still a core contributor and advocate of RxJS and will remain to be so. RxJS is a better option than xstream as a general-purpose library for reactive programming in the browser and in Node.js. In many ways it is more powerful than xstream, providing access to cold Observables (which are more generic than hot ones), schedulers (which xstream has none so far), marble diagram testing, and dozens of battle-proven operators. It is the ideal library to integrate with conventional imperative code and JavaScript.
The Airtel Xstream TV is an affordable alternative to smart TVs. It stands amongst the most technologically advanced connections in India and has plenty of attractive features. Stream your favourite OTT content on your favourite channels with the help of an in-built Chromecast. The Airtel Xstream TV set comes with a voice-enabled remote control powered by Google Assistant that is useful for giving voice commands.
To get a new Airtel Xstream TV connection, follow the below steps- 1. Provide your mobile number and installation city details at the start of the page and hit the submit button. 2. An Airtel executive will connect with you to complete the installation process. Note- This process can be completed either via the Airtel website or the Airtel Thanks app.
The Airtel Xstream TV box comes with an installation fee of only Rs. 1500. The pack includes Airtel Xstream TV box, a remote and a FREE subscription to OTT apps. Note- The installation price is exclusive of DTH recharge and OTT subscription fees.
The Airtel DTH HD box includes the record & play feature, premium video quality and Dolby Digital sounds, whereas the Xstream TV box converts your regular TV into an Android smart TV box. It comes with Android features such as built-in Chromecast, voice search and more.
Yes, a decent internet connection is required to effectively use the Airtel Xstream box. With a stable broadband connection, you can watch OTT content from various apps such as Netflix, Disney+ Hotstar, Amazon Price Video, comfortably on your Android TV box.
Yes, the normal DTH box can be replaced with the Airtel Xstream box. Be ready for a superior experience with Xstream TV, as you get to enjoy plenty of features such as- thousands of apps, amazing picture quality, and of course, a smart Android TV.
No, there are no extra charges for downloading or using entertainment apps on your Airtel Xstream TV. So, you can download plenty of entertainment apps from Google Play Store. But, there could be certain apps that may require you to pay while downloading on Play Store.
The process to recharge or update your plans with Airtel Xstream TV is very easy. All you need to do is visit the Airtel website on your computer or smartphone to change the plans or pay bills. Another way to do this is via the Airtel Thanks app.
The ideal internet speed for Airtel Xstream TV needs to be around 70-100 mbps. While a 40 mbps broadband network will also do, but a better speed will enable you to download and stream online content at a higher resolution.
To create a user profile for Airtel Xstream TV, you need to sign in to your Google Account on your TV. For those who do not have an account, you need to create a new Google account, to effectively access the features of the smart TV.
To access the various apps and channels on the Airtel Xstream TV, you need to login to your Google account. Also, if you want to download more apps for your TV, then just visit Google Play Store and install any app that you may need.
While the Xstream version does have lots of extras, you can't use them without additional licences eg Z-D protection, you can enable but not see the results and I am not sure about central orchestration, my XG has that enabled, but my home user CM account does not have that feature.
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Files that Mariabackup generates during --backup operations in the target directory are not ready for use on the Server. Before you can restore the data to MariaDB, you first need to prepare the backup.
In the case of full backups, the files are not point in time consistent, since they were taken at different times. If you try to restore the database without first preparing the data, InnoDB rejects the new data as corrupt. Running Mariabackup with the --prepare command readies the data so you can restore it to MariaDB Server. When working with incremental backups, you need to use the --prepare command and the --incremental-dir option to update the base backup with the deltas from an incremental backup.
Mariabackup can perform full and incremental backups. A full backup creates a snapshot of the database in the target directory. An incremental backup checks the database against a previously taken full backup, (defined by the --incremental-basedir option) and creates delta files for these changes.
In order to restore from a backup, you first need to run Mariabackup with the --prepare command option, to make a full backup point-in-time consistent or to apply incremental backup deltas to base. Then you can run Mariabackup again with either the --copy-back or --move-back commands to restore the database.
When enabled, whether using ON or AUTO, Mariabackup retrieves information from the binlog during the backup process. When disabled with OFF, Mariabackup runs without attempting to retrieve binary log information. You may find this useful when you need to copy data without metadata like the binlog or replication coordinates.
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