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Is it possible only to declare a variable without assigning any value in Python?
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It's a little difficult to tell if that's really the right style to use from such a short code example, but it is a more "Pythonic" way to work.
EDIT: below is comment by JFS (posted here to show the code)
Unrelated to the OP's question but the above code can be rewritten as:
for item in sequ...
How do I change tab size in Vim?
...mbering that this inserts spaces not tabs. For tabs remove the "expandtab" from ~/.vimrc file
– Paiusco
Jul 27 at 14:34
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What is the difference between Fragment and FragmentActivity?
My question is apart from the obvious inheritance differences, what are the main differences between Fragment and FragmentActivity ? To what scenarios are each class best suited? I'm trying to get an understanding of why both of these classes exist...
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Making interface implementations async
...troduce another interface for async operations. New interface must inherit from original interface.
Example:
interface IIO
{
void DoOperation();
}
interface IIOAsync : IIO
{
Task DoOperationAsync();
}
class ClsAsync : IIOAsync
{
public void DoOperation()
{
DoOperationAs...
Renaming table in rails
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This will also migrate any indexes from :old_table_name to :new_table_name
– Gavin Miller
Sep 18 '13 at 20:45
7
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Applying a git post-commit hook to all current and future repos
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This is so, so far away from being a real solution that I had to downvote, sorry.
– Victor Schröder
Sep 25 '19 at 21:58
add...
JUnit Testing Exceptions [duplicate]
...t the exception?
for newer junit (>= 4.7), you can use something like (from here)
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void testRodneCisloRok(){
exception.expect(IllegalArgumentException.class);
exception.expectMessage("error1");
new Rod...
Alternatives to java.lang.reflect.Proxy for creating proxies of abstract classes (rather than interf
...roxy for a Class object that does not represents an interface).
So, apart from the reality, what you want to do is perfectly possible.
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drag drop files into standard html file input
...bout the support for that):
https://developer.mozilla.org/en/Using_files_from_web_applications
http://www.html5rocks.com/en/tutorials/file/xhr2/#toc-send-blob
You could also use an element in the surrounding area to cancel the drop event in Chrome, and prevent the default behaviour of loading t...
is node.js' console.log asynchronous?
...tdout;
});
In case of a TTY and UNIX we end up here, this thing inherits from socket. So all that node bascially does is to push the data on to the socket, then the terminal takes care of the rest.
Let's test it!
var data = '111111111111111111111111111111111111111111111111111';
for(var i = 0, l ...