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iTunes Connect: How to choose a good SKU?
...t has to be unique.
Every time I have to enter the SKU I use the App identifier (e.g. de.mycompany.myappname) because this is already unique.
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AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...完成后的回调
when AsyncProcedures1.ProcedureCompleted
do
show notification "异步过程执行完成"
带参数的异步过程
// 异步执行带参数的过程
when ProcessDataButton.Click
do
// 传递参数给异步过程
call AsyncProcedures1.RunProcedu...
Total size of the contents of all the files in a directory [closed]
...
If you want the 'apparent size' (that is the number of bytes in each file), not size taken up by files on the disk, use the -b or --bytes option (if you got a Linux system with GNU coreutils):
% du -sbh <directory>
...
How to sum array of numbers in Ruby?
... array.map(&:price).inject(0, :+) is a bit safer. It makes sure that if you have an empty list you get 0 instead of nil.
– johnf
Oct 4 '11 at 9:21
...
How do I tell Gradle to use specific JDK version?
...
If you are executing using gradle wrapper you can also do it like ./gradlew -Dorg.gradle.java.home=/path_to_jdk_directory. Good if you don't want to touch gradle.properties.
– david.schreiber
...
List of lists into numpy array
...
If your list of lists contains lists with varying number of elements then the answer of Ignacio Vazquez-Abrams will not work. Instead there are at least 3 options:
1) Make an array of arrays:
x=[[1,2],[1,2,3],[1]]
y=numpy.a...
How to run `rails generate scaffold` when the model already exists?
...cessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
performance_test
plugin
resource
scaff...
Rails: How to change the text on the submit button in a Rails Form
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If you want to keep the button style, you can do: f.button :submit, "My Submit Text"
– jonathanrz
Oct 17 '13 at 18:17
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Best way to specify whitespace in a String.Split operation
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If you just call:
string[] ssize = myStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's docum...
Generate a random alphanumeric string in Cocoa
...[randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
}
return randomString;
}
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