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Is it possible to start activity through adb shell? [duplicate]
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Launch adb shell and enter the command as follows
am start -n yourpackagename/.activityname
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Set value to null in WPF binding
...le:
<TextBox Text="{Binding Price, TargetNullValue=''}"/>
Which stands for (thanks Gregor for your comment):
<TextBox Text="{Binding Price, TargetNullValue={x:Static sys:String.Empty}}"/>
sys is the imported xml namespace for System in mscorlib:
xmlns:sys="clr-namespace:System;ass...
C++ Exceptions questions on rethrow of original exception
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This question is rather old and has an answer appropriate to the time it was asked.
However, I just want to add a note on how to do proper exception handling since C++11 and I believe this corresponds very well to what you were trying to achieve with yo...
Increase number of axis ticks
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You can override ggplots default scales by modifying scale_x_continuous and/or scale_y_continuous. For example:
library(ggplot2)
dat <- data.frame(x = rnorm(100), y = rnorm(100))
ggplot(dat, aes(x,y)) +
geom_point()
Gives you this:
And overriding the scales can give you something like...
C# generic “where constraint” with “any generic type” definition?
...on2: Define a base interface for IGenericCar<T> which is not generic and constrain against that interface
interface IGenericCar { ... }
interface IGenericCar<T> : IGenericCar { ... }
interface IGarrage<TCar> where TCar : IGenericCar { ... }
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Submitting the value of a disabled input field
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I wanna Disable an Input Field on a
form and when i submit the form the
values from the disabled form is not
submitted.
Use Case: i am trying to get Lat Lng
from Google Map and wanna Display it..
but dont want the user to edit it.
You can use the read...
How to elegantly rename all keys in a hash in Ruby? [duplicate]
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Just use mappings[k] || k instead of mappings[k] above and it will leave keys not in the mapping as is.
– Mladen Jablanović
Nov 9 '10 at 20:26
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Why is HTML5 input type datetime removed from browsers already supporting it?
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The only reason I can think of is browser vendors losing faith in the standard being approved, therefore removing the implementation from their code.
To support this thought: W3C just removed both datetime and datetime-local from their working draft.
Browser vendors will eventually drop support...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
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This is what postgres does when a query produces an error and you try to run another query without first rolling back the transaction. (You might think of it as a safety feature, to keep you from corrupting your data.)
To fix this, you'll want to figure out where in the code that ...
How do I create directory if none exists using File class in Ruby?
...tokens = dirname.split(/[\/\\]/) # don't forget the backslash for Windows! And to escape both "\" and "/"
1.upto(tokens.size) do |n|
dir = tokens[0...n]
Dir.mkdir(dir) unless Dir.exist?(dir)
end
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