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Best way to test for a variable's existence in PHP; isset() is clearly broken
From the isset() docs :
17 Answers
17
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How do you compare two version Strings in Java?
...g version numbers? I can't just use a straight String compareTo because I don't know yet what the maximum number of point releases there will be. I need to compare the versions and have the following hold true:
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Is there a way to @Autowire a bean that requires constructor arguments?
...ire requires arguments to its constructor. I've looked through the Spring docs, but cannot seem to find any reference to how to annotate constructor arguments.
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Call apply-like function on each row of dataframe with multiple arguments from each row
...estFunc(x[1],x[2]))
EDIT To access columns by name and not index you can do something like this:
testFunc <- function(a, b) a + b
apply(dat[,c('x','z')], 1, function(y) testFunc(y['z'],y['x']))
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How do I verify jQuery AJAX events with Jasmine?
...SpecRunner to load jquery and other .js files. Any ideas why the following doesn't work? has_returned does not become true, even thought the "yuppi!" alert shows up fine.
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Sending emails with Javascript
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The way I'm doing it now is basically like this:
The HTML:
<textarea id="myText">
Lorem ipsum...
</textarea>
<button onclick="sendMail(); return false">Send</button>
The Javascript:
function sendMail() {
...
Accurate way to measure execution times of php scripts
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You can use the microtime function for this. From the documentation:
microtime — Return current Unix timestamp with microseconds
If get_as_float is set to TRUE, then microtime() returns a float, which represents the current time in seconds since the Unix epoch a...
REST vs JSON-RPC? [closed]
...between REST and JSON-RPC for developing an API for a web application. How do they compare?
15 Answers
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C# generic type constraint for everything nullable
...n;
if (type.IsClass)
return;
throw new InvalidOperationException("Type is not nullable or reference type.");
}
public bool IsNull()
{
return item == null;
}
}
Then the following code compiles, but the last one (foo3) throws an exception in the...
How to convert a PNG image to a SVG? [closed]
...mage, and see the result.
http://vectormagic.com/home
But if you want to download your svg-image, you need to register.
(If you register, you get 2 images for free)
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