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Why am I seeing “TypeError: string indices must be integers”?
...able item is a string. An index looks like this:
>>> mystring = 'helloworld'
>>> print mystring[0]
'h'
The above example uses the 0 index of the string to refer to the first character.
Strings can't have string indices (like dictionaries can). So this won't work:
>>> ...
Phonegap Cordova installation Windows
...vigate to the folder you want to create your project using: cordova create hello com.example.hello HelloWorld
cd hello
Define the OS you want to suppport for example: cordova platform add wp8
Install plugins (If needed). For example we want the following:
cordova plugin add org.apache.cordova.device...
What are copy elision and return value optimization?
...e.\n"; }
};
C f() {
return C();
}
int main() {
std::cout << "Hello World!\n";
C obj = f();
}
Depending on the compiler & settings, the following outputs are all valid:
Hello World!
A copy was made.
A copy was made.
Hello World!
A copy was made.
Hello World!
This als...
How to format strings in Java
...
@ataylor : Hello, Sorry but I am little confused. I want to something like that I ll pass Class object that has data & when {0} it ll take firstname, when {1} then lastname, like so. Is it possible like {0,choice,0.getFirstName()} o...
calling non-static method in static method in Java [duplicate]
...ethod startsWith of class String without an instance:
String.startsWith("Hello");
What you need is to have an instance and then invoke the non-static method:
String greeting = new String("Hello World");
greeting.startsWith("Hello"); // returns true
So you need to create and instance to inv...
How do I instantiate a Queue object in java?
...va.util.Queue<String> queue = new LinkedList<>();
queue.offer("Hello");
queue.offer("StackOverFlow");
queue.offer("User");
System.out.println(queue.peek());
while (queue.size() > 0){
System.out.println(queue.remove() + " ");
}
//Since Queue is empty now so this will return NULL
...
HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?
...e"
Width="{Binding ElementName=Container,Path=ActualWidth}"
Text="Hello" HorizontalAlignment="Left" MaxWidth="200" />
</StackPanel>
</Page>
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Difference between \w and \b regular expression meta characters
...rect, but hopefully helps explain the diff]
Quick example: For the string Hello World, .+\W would match Hello_ (with the space) but will not match World. .+\b would match both Hello and World.
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How do I know the script file name in a Bash script?
...e it contains two words
$ /misc/shell_scripts/check_root/show_parms.sh "'hello there'" "'william'"
# ------------- RESULTS ------------- #
# arguments called with ---> 'hello there' 'william'
# $1 ----------------------> 'hello there'
# $2 ----------------------> 'william'
# path to ...
Can I pass parameters by reference in Java?
...that it is). This is not the case, as shown by the following:
Object o = "Hello";
mutate(o)
System.out.println(o);
private void mutate(Object o) { o = "Goodbye"; } //NOT THE SAME o!
Will print Hello to the console. The options if you wanted the above code to print Goodbye are to use an explicit ...