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Java Map equivalent in C#
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You can index Dictionary, you didn't need 'get'.
Dictionary<string,string> example = new Dictionary<string,string>();
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example.Add("hello","world");
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Console.Writeline(example["hello"]);
An efficient way to test/get values is TryGetValue (thanx to Earwicker):
if (ot...
How are strings passed in .NET?
When I pass a string to a function, is a pointer to the string's contents passed, or is the entire string passed to the function on the stack like a struct would be?
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How to check if an array value exists?
.....' messages.
As for the test whether the element's value is equal to a string you can use == or (again sometimes better) the identity operator === which doesn't allow type juggling.
if( isset($something['say']) && 'bla'===$something['say'] ) {
// ...
}
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Ruby regular expression using variable name
...tr.gsub( /#{var}/, 'foo' ) # => "foo foo foo"
However, if your search string contains metacharacters and you do not want them interpreted as metacharacters, then use Regexp.escape like this:
var = "*This*"
str = "*This* is a string"
p str.gsub( /#{Regexp.escape(var)}/, 'foo' )
# => "foo is ...
Safari 3rd party cookie iframe trick no longer working?
...ly I figured out that the easiest way (TMO) is to simply add it as a query-string parameter to the redirection url of the rails app. Wasy and clean.
– guyaloni
Jul 21 '15 at 16:40
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Is there a difference between single and double quotes in Java?
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Use single quotes for literal chars, double quotes for literal Strings, like so:
char c = 'a';
String s = "hello";
They cannot be used any other way around (like in Python, for example).
share
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Understanding reference counting with Cocoa and Objective-C
... If I don't, there will be a memory leak.
Example of object creation:
NSString* s = [[NSString alloc] init]; // Ref count is 1
[s retain]; // Ref count is 2 - silly
// to do this after init
[s release]; ...
Remove all the children DOM elements in div
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In Dojo 1.7 or newer, use domConstruct.empty(String|DomNode):
require(["dojo/dom-construct"], function(domConstruct){
// Empty node's children byId:
domConstruct.empty("someId");
});
In older Dojo, use dojo.empty(String|DomNode) (deprecated at Dojo 1.8):
dojo.em...
BeautifulSoup Grab Visible Webpage Text
...ml(html)
was returning 153 us per loop
It worked really well to return a string with rendered html. This nltk module was faster than even html2text, though perhaps html2text is more robust.
betterHTML = html.decode(errors='ignore')
%timeit html2text.html2text(betterHTML)
%3.09 ms per loop
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In javascript, is an empty string always false as a boolean?
...this behavior:
ToBoolean
The result is false if the argument is the empty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
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