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How to show the “Are you sure you want to navigate away from this page?” when changes committed?
Here in stackoverflow, if you started to make changes then you attempt to navigate away from the page, a javascript confirm button shows up and asks: "Are you sure you want to navigate away from this page?" blee blah bloo...
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Gradle to execute Java class (without modifying build.gradle)
...e' line: 4
* What went wrong:
A problem occurred evaluating root project 'Foo'.
> Could not find property 'mainClass' on task ':execute'.
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Python 3 turn range to a list
I'm trying to make a list with numbers 1-1000 in it. Obviously this would be annoying to write/read, so I'm attempting to make a list with a range in it. In Python 2 it seems that:
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Using node-inspector with Grunt tasks
Does someone used node-inspector with Grunt for application debugging? If not, Can you recommend a debugging tool for Grunt based apps?
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How to start an Intent by passing some parameters to it?
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I think you want something like this:
Intent foo = new Intent(this, viewContacts.class);
foo.putExtra("myFirstKey", "myFirstValue");
foo.putExtra("mySecondKey", "mySecondValue");
startActivity(foo);
or you can combine them into a bundle first. Corresponding getExtra(...
How is “int main(){(([](){})());}” valid C++?
...aning of a program in the case of the most vexing parse disambiguation : B foo(A()) foo is a function (taking a pointer to function as only parameter and returning a B) whereas in B foo((A())) foo is a B object constructed invoking a constructor taking a A object (which instance is an anonymous temp...
CSS3 gradient background set on body doesn't stretch but instead repeats?
ok say the content inside the <body> totals 300px high.
12 Answers
12
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Get line number while using grep
I am using grep recursive to search files for a string, and all the matched files and the lines containing that string are print on the terminal. But is it possible to get the line numbers of those lines too??
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Rename Pandas DataFrame Index
... 'color':['blue', 'green', 'red'],
'food':['Steak', 'Lamb', 'Mango'],
'height':[165, 70, 120],
'score':[4.6, 8.3, 9.0],
'state':['NY', 'TX', 'FL']},
index = ['Jane', 'Ni...
Adding a new SQL column with a default value
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Try this:
ALTER TABLE table1 ADD COLUMN foo INT DEFAULT 0;
From the documentation that you linked to:
ALTER [ONLINE | OFFLINE] [IGNORE] TABLE tbl_name
alter_specification [, alter_specification] ...
alter_specification:
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ADD [COLUMN] (col_name c...