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Objective-C ARC: strong vs retain and weak vs assign
..." include an implicit "retain"
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
assign is the default and simply performs a variable assignment
assign is a property attribute that tells the compiler how to synthesize the property's setter implementation
I wo...
Creating a jQuery object from a big HTML-string
I have a big HTML-string containing multiple child-nodes.
7 Answers
7
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Difference between Convert.ToString() and .ToString()
What is the difference between Convert.ToString() and .ToString() ?
19 Answers
19
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Why is a round-trip conversion via a string not safe for a double?
...amp;number, &dTest);
if (dTest == value) {
gc.refRetVal = NumberToString(&number, 'G', DOUBLE_PRECISION, gc.numfmt);
goto lExit;
}
DoubleToNumber(value, 17, &number);
DoubleToNumber is pretty simple -- it just calls _ecvt, which is in the C runtime:
void DoubleToNumber(doubl...
What is a good regular expression to match a URL? [duplicate]
...
Another possible solution, above solution failed for me in parsing query string params.
var regex = new RegExp("^(http[s]?:\\/\\/(www\\.)?|ftp:\\/\\/(www\\.)?|www\\.){1}([0-9A-Za-z-\\.@:%_\+~#=]+)+((\\.[a-zA-Z]{2,3})+)(/(.)*)?(\\?(.)*)?");
if(regex.test("http://google.com")){
alert("Successful...
What is “callback hell” and how and why does RX solve it?
...appens after B is called listening to 'aFinished'. You can then easily add extra steps or extend this kind of behaviour, and can easily test that your code executes in order by merely broadcasting events in your test case.
s...
Big-O for Eight Year Olds? [duplicate]
...int (it's where the n^2.8... came from.) I still assert it isn't worth the extra overhead in most practical cases.
– sfink
Jun 9 '09 at 19:26
5
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Traits in PHP – any real world examples/best practices? [closed]
...it that contains different functions for different sorting types (numeric, string, date, etc). You can then use this trait not only in your product class (as given in the example), but also in other classes that need similar strategies (to apply a numeric sort to some data, etc).
Try it:
<?php
...
Count how many records are in a CSV Python?
...e number of LINES in the csv file. But some CSV files will contain quoted strings which themselves contain newline characters. MS CSV files usually delimit records with \r\n, but use \n alone within quoted strings.
For a file like this, counting lines of text (as delimited by newline) in the file...
Read/Write String from/to a File in Android
...ed from EditText. Then I want the same file to return the inputted text in String form and save it to another String which is to be used later.
...