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Repeatedly run a shell command until it fails?
I've written a fuzzy test that fails unreliably. I've added some debug code, but now I want to run the test until it fails so I can gather the debug output.
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What is the difference between char array and char pointer in C?
I am trying to understand pointers in C but I am currently confused with the following:
8 Answers
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How to fix SSL certificate error when running Npm on Windows?
When I try to install a package with npm, it doesn't work. After a long wait, I eventually get an error 'tunneling socket could not be established, sutatusCode=403'.
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How to turn on front flash light programmatically in Android?
I want to turn on front flash light (not with camera preview) programmatically in Android. I googled for it but the help i found referred me to this page
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How to cast List to List
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you can always cast any object to any type by up-casting it to Object first. in your case:
(List<Customer>)(Object)list;
you must be sure that at runtime the list contains nothing but Customer objects.
Critics say that such casting indicates something wrong with your co...
Check if a key exists inside a json object
The above is the JSON object I'm dealing with. I want to check if the 'merchant_id' key exists. I tried the below code, but it's not working. Any way to achieve it?
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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...) returns the time in milliseconds, but on this Linux box I'm working on, it rounds it to the nearest 1000 so the precision is only to the "second" level and not to the milliseconds level.
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No connection string named 'MyEntities' could be found in the application config file
I am using entity framework and ASP.NET MVC 4 to build an application
28 Answers
28
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Why does changing 0.1f to 0 slow down performance by 10x?
Why does this bit of code,
5 Answers
5
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Calling shell functions with xargs
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Exporting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} b...