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How do I best silence a warning about unused variables?
I have a cross platform application and in a few of my functions not all the values passed to functions are utilised. Hence I get a warning from GCC telling me that there are unused variables.
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ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...tionSummary. I don't want to display property errors in ValidationSummary. And when I set Html.ValidationSummary(true) it does not display error messages from ModelState. When there is some Exception in controller action on string
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PHP - include a php file and also send query parameters
...age from my php script based on certain conditions. I have an if condition and am doing an "include" if the condition is satisfied.
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How to check if a file is empty in Bash?
... help you.
Notice incidentally that I have swapped the roles of empty.txt and full.txt, as @Matthias suggests.
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Remove non-utf8 characters from string
...END;
preg_replace($regex, '$1', $text);
It searches for UTF-8 sequences, and captures those into group 1. It also matches single bytes that could not be identified as part of a UTF-8 sequence, but does not capture those. Replacement is whatever was captured into group 1. This effectively removes a...
How to reload the current state?
I'm using Angular UI Router and would like to reload the current state and refresh all data / re-run the controllers for the current state and it's parent.
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Difference between rake db:migrate db:reset and db:schema:load
The difference between rake db:migrate and rake db:reset is pretty clear in my head. The thing which I don't understand is how rake db:schema:load different from the former two.
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How to access a dictionary element in a Django template?
...objects.filter(choice=self).count()
votes = property(calculateVotes)
And then in your template, you can do:
{% for choice in choices %}
{{choice.choice}} - {{choice.votes}} <br />
{% endfor %}
The template tag, is IMHO a bit overkill for this solution, but it's not a terrible soluti...
Connecting overloaded signals and slots in Qt 5
... is that there are two signals with that name: QSpinBox::valueChanged(int) and QSpinBox::valueChanged(QString). From Qt 5.7, there are helper functions provided to select the desired overload, so you can write
connect(spinbox, qOverload<int>(&QSpinBox::valueChanged),
slider, &...
How to make an empty div take space
...nother answer says putting in a min-height will make it work when floated, and certainly in my own case that worked. If that is always true (now, in 2016) then this answer is wrong. You can just add min-height: 1px; to the width: 140px; without the need to either to remove the float or add content.
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