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Migrating from JSF 1.2 to JSF 2.0
...Encoding="UTF-8"%>
<%@taglib prefix="f" uri="http://java.sun.com/jsf/core"%>
<%@taglib prefix="h" uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE html>
<f:view>
<html lang="en">
<head>
<title>JSP page</title>
</head...
Parallelize Bash script with maximum number of processes
... also supports running jobs on remote computers. This will run one per CPU core on the remote computers - even if they have different number of cores:
some-command | parallel -S server1,server2 do-something
A more advanced example: Here we list of files that we want my_script to run on. Files hav...
Reset Entity-Framework Migrations
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Considering this still shows up when we search for EF in .NET Core, I'll post my answer here (Since it has haunted me a lot). Note that there are some subtleties with the EF 6 .NET version (No initial command, and you will need to delete "Snapshot" files)
(Tested in .NET Core 2.1)
Her...
What is the difference between declarative and imperative programming? [closed]
... by hand. Running with the SQL example, if you had a query like
SELECT score FROM games WHERE id < 100;
the SQL "compiler" can "optimize" this query because it knows that id is an indexed field -- or maybe it isn't indexed, in which case it will have to iterate over the entire data set anywa...
Git Symlinks in Windows
... But you have to clone the repository with the symlinks again git clone -c core.symlinks=true <URL>. You need to run this command with administrator rights. It is also possible to create symlinks on Windows with mklink.
Check out the wiki.
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Getting A File's Mime Type In Java
...just paste and run this code to play with it:
@Grab('org.apache.tika:tika-core:1.14')
import org.apache.tika.Tika;
def tika = new Tika()
def file = new File("/path/to/file")
println tika.detect(file)
Keep in mind that its APIs are rich, it can parse "anything". As of tika-core 1.14, you have:
S...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...于代码块提供的功能有限，使用比较单一，在开发上有很大的局限性，但是它提供了拓展Extension特性，开放了源码，使得开发者可以根据自己的需要，自定义开发原生组件实现不了的、更加强大的功能。一般拓展采用java/kotlin语...
How can I Remove .DS_Store files from a Git repository?
... rm --ignore-unmatch
# specify a global exclusion list
git config --global core.excludesfile ~/.gitignore
# adding .DS_Store to that list
echo .DS_Store >> ~/.gitignore
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How to pass boolean values to a PowerShell script from a command prompt
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https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_powershell_exe
Documentation for the -File parameter states that
"In rare cases, you might need to provide a Boolean value for a switch parameter. To provide a Boolean value for a switch parameter in the va...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
..., 3, 4]
You can read all about the array class here:
http://ruby-doc.org/core/classes/Array.html
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