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Does Go provide REPL?
...ge name), and could be run like gotry 1+2 and gotry fmt 'Println("hello")' from shell. It is no longer available because not many people actually used it.
I have also seen third party projects for building a REPL for Go, but now I can only find links to two of them: igo and go-repl. How well do the...
Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...leak. The only reason this happens is because you are inflating a fragment from XML inside another fragment. You are NOT supposed to do that! You should use the ChildFragmentManager and add the fragment in onViewCreated()!
– Daniele Segato
May 2 '16 at 12:30
...
How to avoid merge-commit hell on GitHub/BitBucket
...erve all of your branch history on a merge.
Use the --ff-only Flag
Aside from rebasing, the use of the --ff-only flag will ensure that only fast-forward commits are allowed. A commit will not be made if it would be a merge commit instead. The git-merge(1) manual page says:
--ff-only
Ref...
vs in Generics
...sn't covariant, even though logically it should work, since string derives from object. Before variance in generic interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T...
Pull request without forking?
Here are steps of code contribution from the topic " How do I contribute to other's code in GitHub? "
5 Answers
...
Vim - how to run a command immediately when starting vim?
... *SHELL* *COMSPEC* *TERM*
2. Process the arguments
3. Execute Ex commands, from environment variables and/or files *vimrc* *exrc*
4. Load the plugin scripts. *load-plugins*
5. Set 'shellpipe' and 'shellredir'
6. Set 'updatecount' to zero, if "-n" command argument used...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
I want to remove null=True from a TextField:
5 Answers
5
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How slow are .NET exceptions?
...al. For instance, int.TryParse is entirely appropriate for converting data from a user. It's appropriate when reading a machine-generated file, where failure means "The file isn't in the format it's meant to be, I really don't want to try to handle this as I don't know what else might be wrong."
Wh...
What command means “do nothing” in a conditional in Bash?
... ]
then
:
elif [ "$a" -le 5 ]
then
echo "1"
else
echo "2"
fi
From the bash manual:
: (a colon)
Do nothing beyond expanding arguments and performing redirections. The return status is zero.
share
...
What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
...ocument.createElement('div'));
Other causes seen in the wild (summarized from comments):
You are attempting to append a node to itself
You are attempting to append null to a node
You are attempting to append a node to a text node.
Your HTML is invalid (e.g. failing to close your target node)
The...