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Reverse / invert a dictionary mapping
...for inverse in the case of non unique values. Every value is mapped to the set of keys leading to it.
– Leo
Oct 25 '16 at 19:08
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Aligning rotated xticklabels with their respective xticks
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You can set the horizontal alignment of ticklabels, see the example below. If you imagine a rectangular box around the rotated label, which side of the rectangle do you want to be aligned with the tickpoint?
Given your description, ...
Where can I find the error logs of nginx, using FastCGI and Django?
.../error.log. It is best to check the nginx.conf file and find the error_log setting.
– MarthyM
Dec 15 '16 at 13:06
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While loop to test if a file exists in bash
I'm working on a shell script that does certain changes on a txt file only if it does exist, however this test loop doesn't work, I wonder why?
Thank you!
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Get nth character of a string in Swift programming language
...ould return.
Try it out here
extension StringProtocol {
subscript(offset: Int) -> Character { self[index(startIndex, offsetBy: offset)] }
subscript(range: Range<Int>) -> SubSequence {
let startIndex = index(self.startIndex, offsetBy: range.lowerBound)
return sel...
How can I view the source code for a function?
I want to look at the source code for a function to see how it works. I know I can print a function by typing its name at the prompt:
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TimeStamp on file name using PowerShell
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Understanding typedefs for function pointers in C
...ault signal handler for the signal.) Because the first call to 'signal()' set the handler to SIG_IGN and signal() returns the previous error handler, the value of old after the if statement must be SIG_IGN - hence the assertion. (Well, it could be SIG_ERR if something went dramatically wrong - but...
How to pass a variable from Activity to Fragment, and pass it back?
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To pass info to a fragment , you setArguments when you create it, and you can retrieve this argument later on the method onCreate or onCreateView of your fragment.
On the newInstance function of your fragment you add the arguments you wanna send to it:
/*...
Use StringFormat to add a string to a WPF XAML binding
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<TextBlock Text="{Binding CelsiusTemp}" />
In ViewModel, this way setting the value also works:
public string CelsiusTemp
{
get { return string.Format("{0}°C", _CelsiusTemp); }
set
{
value = value.Replace("°C", "");
...