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Dynamically creating keys in a JavaScript associative array
...= new Array();
a['name'] = 'oscar';
alert(a['name']);
Will pop up a message box containing 'oscar'.
Try:
var text = 'name = oscar'
var dict = new Array()
var keyValuePair = text.replace(/ /g,'').split('=');
dict[ keyValuePair[0] ] = keyValuePair[1];
alert( dict[keyValuePair[0]] );
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How to detect if a specific file exists in Vimscript?
I'm looking for an elegant way in Vimscript to check if a file exists in the current directory.
4 Answers
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Detect rotation of Android phone in the browser with JavaScript
...hat in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle.
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How to detect if a property exists on an ExpandoObject?
In javascript you can detect if a property is defined by using the undefined keyword:
11 Answers
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Swift how to sort array of custom objects by property value
lets say we have a custom class named imageFile and this class contains two properties.
18 Answers
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Gradients on UIView and UILabels On iPhone [duplicate]
...ation needs to display text in either a UIView or UILabel but the back ground must be a gradient as opposed to a true UIColor . Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server.
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What does dot (.) mean in a struct initializer?
... all fields, in order -- which still works, of course.
So for the following struct:
struct demo_s {
int first;
int second;
int third;
};
...you can use
struct demo_s demo = { 1, 2, 3 };
...or:
struct demo_s demo = { .first = 1, .second = 2, .third = 3 };
...or even:
stru...
Hidden features of Scala
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Okay, I had to add one more. Every Regex object in Scala has an extractor (see answer from oxbox_lakes above) that gives you access to the match groups. So you can do something like:
// Regex to split a date in the format Y/M/D.
val regex = "(\\d+)/(\\d+)/(\\d...
How to switch position of two items in a Python list?
I haven’t been able to find a good solution for this problem on the net (probably because switch, position, list and Python are all such overloaded words).
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How to delete a row by reference in data.table?
My question is related to assignment by reference versus copying in data.table . I want to know if one can delete rows by reference, similar to
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