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How to create a file in Android?
...tStreamReader isr = new InputStreamReader(fIn);
/* Prepare a char-Array that will
* hold the chars we read back in. */
char[] inputBuffer = new char[TESTSTRING.length()];
// Fill the Buffer with data from the file
isr.read(inputBuffer);
// Transfor...
How to get nice formatting in the Rails console
...This raise error: JSON::GeneratorError: only generation of JSON objects or arrays allowed
– Hassan Akram
Sep 27 '16 at 9:14
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Using LINQ to concatenate strings
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return string.Join(", ", strings.ToArray());
In .Net 4, there's a new overload for string.Join that accepts IEnumerable<string>. The code would then look like:
return string.Join(", ", strings);
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Order of event handler execution
...es. I am looking through reflector to try and verify, and it looks like an array is used behind the scenes to keep track of everything.
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JSON, REST, SOAP, WSDL, and SOA: How do they all link together
...script can evaluate this format by eval() function and make an associative array from this JSON string. This one is different concept in comparison to other concepts I described formerly.
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im...
Run a single migration file
...rnative way (without IRB) which relies on the fact that require returns an array of class names:
script/runner 'require("db/migrate/20090408054532_add_foos.rb").first.constantize.up'
Note that if you do this, it probably won't update the schema_migrations table, but it seems like that's what you ...
Get spinner selected items text?
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Spinner returns you the integer value for the array. You have to retrieve the string value based of the index.
Spinner MySpinner = (Spinner)findViewById(R.id.spinner);
Integer indexValue = MySpinner.getSelectedItemPosition();
...
When should I use nil and NULL in Objective-C?
...s a singleton object used to represent null values in collection objects(NSArray, NSDictionary). The [NSNull null] will returns the singleton instance of NSNull. Basically [NSNull null] is a proper object.
There is no way to insert a nil object into a collection type object. Let's have an example:
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Remove a HTML tag but keep the innerHtml
...ap(selector) {
var nodelist = document.querySelectorAll(selector);
Array.prototype.forEach.call(nodelist, function(item,i){
item.outerHTML = item.innerHTML; // or item.innerText if you want to remove all inner html tags
})
}
unwrap('b')
This should work in all major browser i...
Best practices with STDIN in Ruby?
...end
while a = gets
puts "From stdin: #{a}"
end
Note that because ARGV array is empty before first gets, Ruby won't try to interpret argument as text file from which to read (behaviour inherited from Perl).
If stdin is empty or there is no arguments, nothing is printed.
Few test cases:
$ cat ...