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Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
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You can get this type of error if your class' .m file is not listed under the "Compile Sources" step of the "Build Phases" tab of your target. Normally Xcode does this for you, but sometimes it loses the plot and you need to add the .m file manually.
To d...
Downloading a file from spring controllers
...his output stream as a place to put generated PDF to your generator. Also, if you know what file type you are sending, you can set
response.setContentType("application/pdf");
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
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yes of course. And yet the question specifically referred to 1.8.7.
– existentialmutt
Aug 25 '14 at 17:37
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Ruby: What is the easiest way to remove the first element from an array?
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"pop"ing the first element of an Array is called "shift" ("unshift"
being the operation of adding one element
in front of the array).
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how to prevent “directory already exists error” in a makefile when using mkdir
...s:
mkdir -p $(OBJDIR)
The -p option to mkdir prevents the error message if the directory exists.
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Rounding up to next power of 2
...te a function that returns the nearest next power of 2 number. For example if my input is 789, the output should be 1024. Is there any way of achieving this without using any loops but just using some bitwise operators?
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Does git return specific return error codes?
...t/docs/v1.7.4/git-merge.html) only mention the return status in one place (if you use "--ff-only" and it can't do a fast-forward commit, it returns non-zero - it doesn't explicitly say what is returned if it all works or if there was a merge conflict.
– Matt Curtis
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Google Maps V3 - How to calculate the zoom level for a given bounds
...are map.
There's no easy answer for how to fit exact bounds, because even if you are willing to change the size of the map div, you have to choose which size and corresponding zoom level you change to (roughly speaking, do you make it larger or smaller than it currently is?).
If you really need to...
What is the in a .vimrc file?
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The <Leader> key is mapped to \ by default. So if you have a map of <Leader>t, you can execute it by default with \+t. For more detail or re-assigning it using the mapleader variable, see
:help leader
To define a mapping which uses the "mapleader" variable, the ...
Android webview & localStorage
... me that local
storage is'nt supported by my browser (ie. the webview ). If you have any suggestion..
6 Answers
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