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Convert xlsx to csv in Linux with command line
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The Gnumeric spreadsheet application comes with a command line utility called ssconvert that can convert between a variety of spreadsheet formats:
$ ssconvert Book1.xlsx newfile.csv
Using exporter Gnumeric_stf:stf_csv
$ cat newfil...
My images are blurry! Why isn't WPF's SnapsToDevicePixels working?
I'm using some Images in my WPF applcation.
12 Answers
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Swift compiler segmentation fault when building
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I had this error because I was doing this :
if(currentMeal?.State == .Deleted){
}
instead of
if(currentMeal!.State == .Deleted){
}
so I think optional not unwrapped in if condition can cause this error
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TypeError: 'undefined' is not a function (evaluating '$(document)')
... mode by default. You need to reference it using jQuery as the variable name, not $, e.g. use
jQuery(document);
instead of
$(document);
You can easily wrap this up in a self executing function so that $ refers to jQuery again (and avoids polluting the global namespace as well), e.g.
(functio...
Parsing boolean values with argparse
I would like to use argparse to parse boolean command-line arguments written as "--foo True" or "--foo False". For example:
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Java Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable
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This command helped me to solve the problem:
export DISPLAY=:0
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What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
... right value and your own constraint and the generated one should be the same. The lower priority for your own constraint is only needed temporarily to prevent conflicts while collapse/expand animations are in flight.
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Folder is locked and I can't unlock it
When I'm trying to update or commit code from a project it's telling me that the folder is locked. When I try to "release lock" it says that there's nothing to unlock in this working space.
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TypeLoadException says 'no implementation', but it is implemented
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NOTE - If this answer doesn't help you, please take the time to scroll down through the other answers that people have added since.
Short answer
This can happen if you add a method to an interface in one assembly, and then to an implementing class in another assembly, but you reb...
scale Image in an UIButton to AspectFit?
... scale my image to fit with the UIButton (make image smaller). Please show me how to do it.
16 Answers
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