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Determining type of an object in ruby
...re's no reason to be particular about the type.
For example, object.is_a?(String) is too rigid since another class might implement methods that convert it into a string, or make it behave identically to how String behaves. object.respond_to?(:to_s) would be a better way to test that the object in q...
Python Regex instantly replace groups
...
Have a look at re.sub:
result = re.sub(r"(\d.*?)\s(\d.*?)", r"\1 \2", string1)
This is Python's regex substitution (replace) function. The replacement string can be filled with so-called backreferences (backslash, group number) which are replaced with what was matched by the groups. Groups ar...
When and why would you seal a class?
...le, System namespace in C# provides many classes which are sealed, such as String. If not sealed, it would be possible to extend its functionality, which might be undesirable, as it's a fundamental type with given functionality.
Similarly, structures in C# are always implicitly sealed. Hence one c...
android TextView: setting the background color dynamically doesn't work
...tBackGroundColor(), so I used android Color class to get int value of hex string and passed it to mentioned function. Everything worked.
This is example:
String myHexColor = "#CC2233";
TextView myView = (TextView) findViewById(R.id.myTextView);
myView.setBackGroundColor(Color.pasrsehexString(myHex...
Converting JSON String to Dictionary Not List
..., "cust_state":new_cust_state, "cust_contry":new_cust_contry};
//apply stringfy method on json
data = JSON.stringify(data);
//insert data into database using javascript ajax
var send_data = new XMLHttpRequest();
send_data.open("GET", "http://localhost:8000...
How do I pass multiple parameters in Objective-C?
...ed for readability. So you could write:
- (NSMutableArray*)getBusStops:(NSString*)busStop :(NSSTimeInterval*)timeInterval;
or what you suggested:
- (NSMutableArray*)getBusStops:(NSString*)busStop forTime:(NSSTimeInterval*)timeInterval;
...
Pure JavaScript Send POST Data Without a Form
...);
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.send(JSON.stringify({
value: value
}));
By the way, for get request:
var xhr = new XMLHttpRequest();
// we defined the xhr
xhr.onreadystatechange = function () {
if (this.readyState != 4) return;
if (this.status == 200...
How do I dump an object's fields to the console?
...e_methods from the class' in question to get the methods that are unique: (String.instance_methods - Object.instance_methods).sort
– the Tin Man
Nov 27 '10 at 22:05
...
Removing multiple classes (jQuery)
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The documentation says:
class (Optional) String
One or more CSS classes to remove from the elements, these are separated by spaces.
Example:
Remove the class 'blue' and 'under' from the matched elements.
$("p:odd").removeClass("blue under");
...
How to make remote REST call inside Node.js? any CURL?
...console.log('STATUS: ' + res.statusCode);
console.log('HEADERS: ' + JSON.stringify(res.headers));
res.setEncoding('utf8');
res.on('data', function (chunk) {
console.log('BODY: ' + chunk);
});
}).end();
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