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“Git fatal: ref HEAD is not a symbolic ref” while using maven release plugin
...r and it works too. I think the problem is that the jenkins git plugin normally checks out the branch in detached head state. So the git symbolic-ref command fails. By adding Check out to specific local branch we fix this.
– René Link
Oct 7 '14 at 11:38
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What is an “unwrapped value” in Swift?
...st, you have to understand what an Optional type is. An optional type basically means that the variable can be nil.
Example:
var canBeNil : Int? = 4
canBeNil = nil
The question mark indicates the fact that canBeNil can be nil.
This would not work:
var cantBeNil : Int = 4
cantBeNil = nil // can...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
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Many use the MDC fallback implementations (eg. for indexOf). They're generally rigorously standards-compliant, even to the extent of explicitly checking the types of all the arguments.
Unfortunately whilst it is clear that the authors regard ...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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When I called Integer.toHexString((byte)0xff) it returned "ffffffff" because of sign extension. So one might need to take the last two characters of the returned string.
– Marvo
Jul 27 '12 at 2...
How to solve “The specified service has been marked for deletion” error
...Manager is opened.
Microsoft Management Console (MMC) is opened. To ensure all instances are closed, run taskkill /F /IM mmc.exe.
Services console is opened. This is the same as the previous point, since Services console is hosted by MMC.
Event Viewer is opened. Again, this is the same as the third ...
Remove sensitive files and their commits from Git history
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For all practical purposes, the first thing you should be worried about is CHANGING YOUR PASSWORDS! It's not clear from your question whether your git repository is entirely local or whether you have a remote repository elsewhere...
Is it possible to display inline images from html in an Android TextView?
..."><br/>and<br/>" +
"<img src=\"http://www.hdwallpapersimages.com/wp-content/uploads/2014/01/Winter-Tiger-Wild-Cat-Images.jpg\">";
String imgs="<p><img alt=\"\" src=\"http://images.visitcanberra.com.au/images/canberra_hero_image.jpg\" style=\"height:50px;...
PHP: exceptions vs errors?
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Exceptions are thrown - they are intended to be caught. Errors are generally unrecoverable. Lets say for instance - you have a block of code that will insert a row into a database. It is possible that this call fails (duplicate ID) - you will want to have a "Error" which in this case is an "Exc...
Is it pythonic to import inside functions?
...at it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
One other point, I prefer to get an ImportError exception before any code is r...
Nested function in C
...nction, but it's not a nested function.
gcc has a language extension that allows nested functions. They are nonstandard, and as such are entirely compiler-dependent.
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