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Can Android do peer-to-peer ad-hoc networking?
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11 Answers
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Why does substring slicing with index out of range work?
...Look what happens when you do the same thing to a list:
>>> [0, 1, 2, 3, 4, 5][3]
3
>>> [0, 1, 2, 3, 4, 5][3:4]
[3]
Here the difference is obvious. In the case of strings, the results appear to be identical because in Python, there's no such thing as an individual character out...
What is the printf format specifier for bool?
...ic arguments, you can use %d:
bool x = true;
printf("%d\n", x); // prints 1
But why not:
printf(x ? "true" : "false");
or, better:
printf("%s", x ? "true" : "false");
or, even better:
fputs(x ? "true" : "false", stdout);
instead?
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Bootstrap: Position of dropdown menu relative to navbar item
...he classes that need to be applied changed with the release of Bootstrap 3.1.0 and again with the release of Bootstrap 4. If one of the below solutions doesn't seem to be working double check the version number of Bootstrap that you're importing and try a different one.
Bootstrap 3
Before v3.1.0
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Change navbar color in Twitter Bootstrap
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12 Answers
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How to switch a user per task or set of tasks?
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With Ansible 1.9 or later
Ansible uses the become, become_user, and become_method directives to achieve privilege escalation. You can apply them to an entire play or playbook, set them in an included playbook, or set them for a particula...
(Built-in) way in JavaScript to check if a string is a valid number
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Django - Circular model import issue
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216
Remove the import of Theme and use the model name as a string instead.
theme = models.ForeignK...
Maven is not working in Java 8 when Javadoc tags are incomplete
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17 Answers
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How to get error message when ifstream open fails
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edited Aug 11 '17 at 15:56
S.R
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answered Jun 27 ...