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How to check if a variable is not null?
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This check is actually not safe. If myvar is 0, false or any other falsy value the test will fail (if you only intend to check for not null). So only use this to check for not null if the variable can never have another falsy value.
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How and why does 'a'['toUpperCase']() in JavaScript work?
...lue the variable bar contains. So using the foo[] notation instead of foo. allows you to use a dynamic property name.
Let's have a look at callMethod:
First of all, it returns a function that takes obj as its argument. When that function is executed it will call method on that object. So the giv...
How to style UITextview to like Rounded Rect text field?
..., it will work if it's added in IB too
UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(50, 220, 200, 100)];
//To make the border look very close to a UITextField
[textView.layer setBorderColor:[[[UIColor grayColor] colorWithAlphaComponent:0.5] CGColor]];
[textView.layer setBorde...
How to get an element's top position relative to the browser's viewport?
..., and does exactly what the question asks for. Plus it is supported across all browsers (including IE 5, it seems!)
From MDN page:
The returned value is a TextRectangle object, which contains read-only left, top, right and bottom properties describing the border-box, in pixels, with the top-left r...
Sorting arraylist in alphabetical order (case insensitive)
... you'll see that A1 is condired less than A10 just because the lenght is smaller. There is no "natural sort" support out of the box, you might want to take a look at stackoverflow.com/questions/1262239/…
– denis.solonenko
Oct 7 '14 at 8:22
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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
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then delete small the instance before?
– gandil
May 5 '11 at 13:25
1
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Chrome Development Tool: [VM] file from javascript
...script file (jaydata.js) and was pressing "Step over to the next function call."
When it got to a line that was:
9 Answers
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Visual Studio: How can I see the same file in two separate tab groups?
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True, it splits only vertically though
– p4bl0
Mar 29 '17 at 10:32
4
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Sort a Custom Class List
...)); Would this create issues when paging grids and these two happened to fall on different pages?
– TheEmirOfGroofunkistan
May 18 '12 at 13:41
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How to increase font size in NeatBeans IDE?
... the netbeans.conf file, which is in the /etc subdirectory of NetBeans installation.
Just place it as a last parameter into the netbeans_default_options parameter.
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