croot | Go bindings to the C-API of ROOT
kandi X-RAY | croot Summary
kandi X-RAY | croot Summary
Go bindings to the C-API of ROOT (CRoot). croot supports now both ROOT-5 and ROOT-6.
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Top functions reviewed by kandi - BETA
- This is the main function .
- ctxxtypename returns the name of ct . Type .
- ValueOf returns a new Value .
- Convert Go type to Go type
- gendict gendict .
- NewStructType returns a new struct type .
- Generate returns a string representation of t .
- NewArrayType returns a Type for an array .
- grow_slice returns a new copy of s .
- MakeSlice creates a Value .
croot Key Features
croot Examples and Code Snippets
Community Discussions
Trending Discussions on croot
QUESTION
I recently moved from bash to zsh, and like most of people I had my custom bash aliases/functions to ease git and env sourcing operations. In particular there are 2 of them which doesn't work properly when run on zsh but work completely fine on bash.
...ANSWER
Answered 2020-Oct-06 at 16:57Both functions use bashisms that aren't valid in zsh.
In repcheckout, the problem is using the == operator in a [ ] test -- the standard operator is =, but bash allows == as a synonym; zsh doesn't. I'd also recommend double-quoting both strings to avoid problems with weird characters in the path (and maybe using "$PWD" instead of $(pwd)):
QUESTION
I'm trying to install pyarrow's nightly builds with conda using arrow-nightlies channel to experiment with the latests code in Github's master branch. Conda's version is 4.8.3. The target environment has python 3.8 on MacOS
When I run conda install I get the following error:
ANSWER
Answered 2020-Apr-12 at 03:21This is a bug in conda. Downgrading conda as described here works.
After downgrading, conda reveals the following dependencies which were not reported before:
QUESTION
I'm using Bash via the mintty terminal on Cygwin, and I've created two aliases in my .bashrc file in my Cygwin home directory.
ANSWER
Answered 2017-Feb-08 at 01:59alias doesn’t work the way you think it does. Do this:
QUESTION
I have got a challenging problem that I tried solving but unsuccessful and I need some guidance on this.
I am trying to build a tree view with the structure shown in the image below. In the below example there are 2 root nodes. For the first root node, it has got 2 child nodes. The first child node (1.A) has got no "sub-child nodes" while the second child node (2.B) has multiple child and "sub-child" nodes. Then second root node has the same structure.
To simplify the problem, functions to create root nodes and child nodes have been created. To create a root node, I can simply do:
...ANSWER
Answered 2019-May-06 at 00:40Try this on for size ...
QUESTION
Goal: Re-render only Child component , by sending props from parent's non-state variable.
I want to re-render only child component without parent render . Below is example code I wrote . cRoot is parent passing props and CButton Child component needs to be rendered upon change of Visibility variable.
- In child component , I haven't used state because it onetime and I don't want to keep that value in state . Also Child I don't want to create as Pure component .
- In parent , I want to use variable (submitBtnVisibility)to send as props .
Can you please explain why child component is not getting updated as for child component point of view props are getting updated ? or point to me where I went wrong ?
Thanks a lot in advance for helping .
...ANSWER
Answered 2018-Aug-22 at 00:09Think about it, how can your Child component re-render? If its props or state changes. OK, now think about that how your parent component pass its changed prop to your child component? When it rerenders of course.
How does parent component rerender? When its state changes (or props but for the parent, there is not any prop for now) of course. So, you are not changing parent's state and it does not re-render. So, your child does not re-render. Simple as it is.
You can't render a child component unless it gets new props above parent. The parent does not re-render unless its state (or props) changes. Here, you are not doing any of this.
Update after comments
You can't render a child unless you render the parent component. No change in parent then no rerender for the child.
Do not afraid of rendering so much. Rendering itself is not so expensive, DOM changes are. React compares the DOM's (virtual one with the real one) and if nothing changed it does not unmount/remount the component.
Also, I don't know why you don't want to use PureComponent but it provides the functionality of what you want. Other than that you can use shouldComponentUpdate maybe, but most people do not suggest using it since it has other disadvantages and if not used properly it decreases the performance instead of decreasing it.
QUESTION
I have a set of XML files that I want to merge together. There's the master XML document which is a full ISO 19139 XML document, and two other XML files that may contain elements. I need to extract any of these elements from the fragment files and add to the master. There are hundreds of these sets of files, so I need to do some matching to make sure I'm combining the right set of data.
A fragment XML file might look like:
...ANSWER
Answered 2017-Oct-06 at 14:11keywordList.extend(DKeywords) just adds elements to a list. This operation does not do anything with the XML tree.
To insert the additional descriptiveKeywords nodes as siblings of the ones in the master document, you can do as follows:
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