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How to see if an object is an array without using reflection?
...sArray();
}
This works for both object and primitive type arrays.
For toString take a look at Arrays.toString. You'll have to check the array type and call the appropriate toString method.
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Is there “0b” or something similar to represent a binary number in Javascript
...nd octal (prefix 0) formats.
One possible alternative is to pass a binary string to the parseInt method along with the radix:
var foo = parseInt('1111', 2); // foo will be set to 15
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im...
Match all elements having class name starting with a specific string [duplicate]
...use a "wildcard" for elements having a class name starting with a specific string in CSS3?
3 Answers
...
Set timeout for ajax (jQuery)
...s three arguments: The jqXHR (in
jQuery 1.4.x, XMLHttpRequest) object, a string describing the type of
error that occurred and an optional exception object, if one occurred.
Possible values for the second argument (besides null) are "timeout",
"error", "abort", and "parsererror". When an HTT...
PHP - Get bool to echo false when false
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I really wanted to argue why (string)FALSE == "" is a good idea based on this bit from PHP's documentation: "A boolean TRUE value is converted to the string "1". Boolean FALSE is converted to "" (the empty string). This allows conversion back and forth be...
Format Float to n decimal places
...
You may also pass the float value, and use:
String.format("%.2f", floatValue);
Documentation
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How do I test if a variable is a number in Bash?
...
Without bashisms (works even in the System V sh),
case $string in
''|*[!0-9]*) echo bad ;;
*) echo good ;;
esac
This rejects empty strings and strings containing non-digits, accepting everything else.
Negative or floating-point numbers need some additional work. An idea...
Copying files from Docker container to host
... Integration (CI) server, so that I don't have to install all the runtimes and libraries on the agents themselves.
18 Answ...
Shorter syntax for casting from a List to a List?
...ist<object>();
o.Add("one");
o.Add("two");
o.Add(3);
IEnumerable<string> s1 = o.Cast<string>(); //fails on the 3rd item
List<string> s2 = o.ConvertAll(x => x.ToString()); //succeeds
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Razor doesn't understand unclosed html tags
... public static class MyRenderHelpers
{
public static MvcHtmlString Html(this HtmlHelper helper, string html, bool condition)
{
if (condition)
return MvcHtmlString.Create(html);
else
return MvcHtmlString.Empty;
}
...