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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...re a universal JavaScript function that checks that a variable has a value and ensures that it's not undefined or null ? I've got this code, but I'm not sure if it covers all cases:
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Using lambda expressions for event handlers
...der, EventArgs e)
{
//snip
MyButton.Click += new EventHandler(delegate (Object o, EventArgs a)
{
//snip
});
}
}
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How do I increase the number of displayed lines of a Java stack trace dump?
... that was caused by this exception (the "enclosing" exception).
This shorthand can greatly reduce the length of the output in the common case where a wrapped exception is thrown from same method as the "causative exception" is caught.
In other words, the "... x more" only appears on a chained excep...
Timeout on a function call
I'm calling a function in Python which I know may stall and force me to restart the script.
18 Answers
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How to find out how many lines of code there are in an Xcode project?
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Check out CLOC.
cloc counts blank lines, comment lines, and physical lines of source code in many programming languages.
(Legacy builds are archived on SourceForge.)
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How to parse float with two decimal places in javascript?
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glad to help and keep up the good work on -- "learning a new thing every day"
– Mahesh Velaga
Dec 14 '10 at 1:55
3
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What does @@variable mean in Ruby?
What are Ruby variables preceded with double at signs ( @@ )? My understanding of a variable preceded with an at sign is that it is an instance variable, like this in PHP:
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Creating a URL in the controller .NET MVC
...s "Default" (as it was when I created my project).
– Andy
Sep 23 '14 at 15:51
3
You don't need to...
What does FrameLayout do?
...Then I searched, but I couldn't find something useful. What is FrameLayout and what does it do?
5 Answers
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SQL function as default parameter value?
... I was using that previously. "I was using a null default value and checking for that later but it doesn't seem proper." Still thank you Brian.
– user58044
Jan 22 '09 at 20:43
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