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Android - How To Override the “Back” button so it doesn't Finish() my Activity?
...ng a service run in the background, make sure to look at startForeground() and make sure to have an ongoing notification or else Android will kill your service if it needs to free memory.
@Override
public void onBackPressed() {
Log.d("CDA", "onBackPressed Called");
Intent setIntent = new Inte...
How do I print debug messages in the Google Chrome JavaScript Console?
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Improving on Andru's idea, you can write a script which creates console functions if they don't exist:
if (!window.console) console = {};
console.log = console.log || function(){};
console.warn = console.warn || function(){};
console.err...
How to display a Yes/No dialog box on Android?
... difficult (well, at least not programmer-friendly) to display a dialog in Android.
17 Answers
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Namespace for [DataContract]
I can't find the namespace to use for [DataContract] and [DataMember] elements. According to what I've found, it seems that adding the following should be enough, but in my case it is not.
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Member '' cannot be accessed with an instance reference
I am getting into C# and I am having this issue:
10 Answers
10
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Reshaping data.frame from wide to long format
...alues (as a result of the , in the numbers). You can repair that with gsub and as.numeric:
long$value <- as.numeric(gsub(",", "", long$value))
Or directly with data.table or dplyr:
# data.table
long <- melt(setDT(wide),
id.vars = c("Code","Country"),
variable.name...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...m a subquery, you're best of splitting it into two queries, one for INSERT and one for UPDATE (as an appropriate join/subselect of course - no need to write your main filter twice)
share
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improve t...
Entity Framework DateTime and UTC
...att Johnson's approach, but in my model ALL of my DateTime members are UTC and I don't want to have to decorate all of them with an attribute. So I generalized Matt's approach to allow the event handler to apply a default Kind value unless a member is explicitly decorated with the attribute.
The c...
How can I disable editing cells in a WPF Datagrid?
I'm constructing a datagrid in Windows Presentation Foundation, and I have a problem. When a user double-clicks on a cell in my datagrid, the cell goes into edit mode. I want to prevent that. Instead I want users to be able to select the full row - not edit values in it.
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How do you get the list of targets in a makefile?
I've used rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg
20 Answers
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