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Set a default parameter value for a JavaScript function
...
From ES6/ES2015, default parameters are in the language specification.
function read_file(file, delete_after = false) {
// Code
}
just works.
Reference: Default Parameters - MDN
Default function parameters allow for...
Simplest way to read json from a URL in java
...t be a dumb question but what is the simplest way to read and parse JSON from URL in Java ?
11 Answers
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IEnumerable and Recursion using yield return
...provided you with the correct answer, but I don't think your case benefits from yielding.
Here's a snippet which achieves the same without yielding.
public static IEnumerable<Control> GetDeepControlsByType<T>(this Control control)
{
return control.Controls
.Where(...
CocoaPods and GitHub forks
...2cf8fae582bc1'
After that, pod update will update this particular commit from your fork. If you want, you can also make a podspec for your fork, but I find this approach simpler and I don't make changes frequently enough to justify a new workflow.
Do I need to work on my fork outside of my pr...
Why does Python use 'magic methods'?
..., len is special in this respect and has historical roots.
Here's a quote from the FAQ:
Why does Python use methods for some
functionality (e.g. list.index()) but
functions for other (e.g. len(list))?
The major reason is history. Functions
were used for those operations that
were g...
How to exclude a module from a Maven reactor build?
...e -pl !<module_name>,!<module_name> to exclude certain modules from the reactor build.
See this feature request: https://issues.apache.org/jira/browse/MNG-5230
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How do I run a Python script from C#?
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Execute Python script from C
Create a C# project and write the following code.
using System;
using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public par...
How to make pipes work with Runtime.exec()?
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Create a Runtime to run each of the process. Get the OutputStream from the first Runtime and copy it into the InputStream from the second one.
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How to print the values of slices
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Be aware though that with this solution any leading brackets will be lost from the first value and any trailing brackets will be lost from the last value
a := []string{"[a]", "[b]"}
fmt.Print(strings.Trim(fmt.Sprint(a), "[]")
fmt.Print(a)
Returns:
a] [b
[[a] [b]]
For more info see the documen...
Java: function for arrays like PHP's join()?
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Starting from Java8 it is possible to use String.join().
String.join(", ", new String[]{"Hello", "World", "!"})
Generates:
Hello, World, !
Otherwise, Apache Commons Lang has a StringUtils class which has a join function which wi...