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Remove leading comma from a string
...lit("','");
["first string", "more", "even more"]
To extract a substring from a string I usually use slice() but substr() and substring() also do the job.
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g++ undefined reference to typeinfo
...ody (will contain null-pointer most likely). However, nobody prohibits you from calling this pure virtual function in a non-virtual manner, i.e. by using a fully-qualified name. In this case the linker will look for the body, and you will have to define the function. And yes, you can define a body f...
Catching error codes in a shell pipe
...way).
In the original pipeline, it is feasible for 'c' to be reading data from 'b' before 'a' has finished - this is usually desirable (it gives multiple cores work to do, for example). If 'b' is a 'sort' phase, then this won't apply - 'b' has to see all its input before it can generate any of its...
What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
...se" error than a RuntimeError, because you have to do more work to recover from it.
So which you want depends on how your project does its error handling. For instance, in our daemons, the main loop has a blank rescue which will catch RuntimeErrors, report them, and then continue. But in one or two...
Efficient way to remove ALL whitespace from String?
...whitespace (including newlines) and doing this (XML is the string received from the web request):
16 Answers
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Show compose SMS view in Android
...at you want to send the message to
You can add a message to the SMS with (from comments):
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("sms:" + phoneNumber));
intent.putExtra("sms_body", message);
startActivity(intent);
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What is an MvcHtmlString and when should I use it?
...n MvcHtmlString.Create(result)
End Function
I could have returned String from this method, but if I had the following would break:
<%: Html.CssBlock(Url.Content("~/sytles/mysite.css")) %>
With MvcHtmlString, using either <%: ... %> or <%= ... %> will both work correctly.
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How to remove files that are listed in the .gitignore but still on the repository?
...nored, i added them to the .gitignore but, of course, they are not removed from my repository.
6 Answers
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Is it safe to parse a /proc/ file?
...t the consistency of a file in /proc. For example, see this bug which came from assuming that /proc/mounts was a consistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is less than two years old. So even this...
GitHub: make fork an “own project”
...nd we simply aim at different goals. I don't know as I never got responses from him.
4 Answers
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