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What is the proper way to check for null values?
...answer to my question so I'm marking the answer, but Jon Skeet's extension method .ToStringOrDefault() is my preferred way of doing it. However, I am using this answer within Jon's extension method ;)
– Chev
Mar 20 '12 at 14:33
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Action bar navigation modes are deprecated in Android L
... a look at the API diff report for the Android "L" preview, I see that all methods related to navigation modes in the ActionBar class (such as setNavigationMode() , addTab() , selectTab() , &c). are now deprecated.
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How to show a dialog to confirm that the user wishes to exit an Android Activity?
...rawable.ic_dialog_alert)
.setTitle("Closing Activity")
.setMessage("Are you sure you want to close this activity?")
.setPositiveButton("Yes", new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which) {
...
How to save a plot as image on the disk?
...p(), pdf() or similar
Plot your model
Close the device using dev.off()
Some example code for saving the plot to a png file:
fit <- lm(some ~ model)
png(filename="your/file/location/name.png")
plot(fit)
dev.off()
This is described in the (combined) help page for the graphical formats ?png, ?...
Random alpha-numeric string in JavaScript? [duplicate]
What's the shortest way (within reason) to generate a random alpha-numeric (uppercase, lowercase, and numbers) string in JavaScript to use as a probably-unique identifier?
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How do I get the full path to a Perl script that is executing?
I have Perl script and need to determine the full path and filename of the script during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't ...
How do I create a variable number of variables?
...': 2, 'x': 1, 'z': 3}
>>> dct["y"]
2
You can use variable key names to achieve the effect of variable variables without the security risk.
>>> x = "spam"
>>> z = {x: "eggs"}
>>> z["spam"]
'eggs'
For cases where you're thinking of doing something like
var1 = ...
Deserializing JSON data to C# using JSON.NET
...bject>(string json);
Create your classes on JSON 2 C#
Json.NET documentation: Serializing and Deserializing JSON with Json.NET
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twitter bootstrap typeahead ajax example
...m trying to find a working example of the twitter bootstrap typeahead element that will make an ajax call to populate it's dropdown.
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...enders thousands of points in a zoomable, pannable graph. The current implementation, using Protovis, is underperformant. Check it out here:
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