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How to deal with “data of class uneval” error from ggplot2?
While trying to overlay a new line to a existing ggplot I am getting the following error:
3 Answers
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What is the intended use-case for git stash?
...rgot something in my last commit and have already started working on the next one in the same branch:
# Assume the latest commit was already done
# start working on the next patch, and discovered I was missing something
# stash away the current mess I made
git stash save
# some changes in the wor...
'setInterval' vs 'setTimeout' [duplicate]
...
setTimeout(expression, timeout); runs the code/function once after the timeout.
setInterval(expression, timeout); runs the code/function in intervals, with the length of the timeout between them.
Example:
var intervalID = setInterval(...
In Bash, how can I check if a string begins with some value?
...* ]] ;
then
echo yes2
fi
Which will echo
yes1
yes2
Bash's if syntax is hard to get used to (IMO).
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html select only one checkbox in a group
So how can I only allow a user to select only one checkbox?
16 Answers
16
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UIScrollView Scrollable Content Size Ambiguity
Fellow devs,
I am having trouble with AutoLayout in Interface Builder (Xcode 5 / iOS 7).
It's very basic and important so I think everyone should know how this properly works. If this is a bug in Xcode, it is a critical one!
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What is path of JDK on Mac ? [duplicate]
...ided by Oracle). The best generic way to find this out is to run
/usr/libexec/java_home
This is the natively supported way to find out both the path to the default Java installation as well as all alternative ones present.
If you check out its help text (java_home -h), you'll see that you can u...
GDB corrupted stack frame - How to debug?
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Those bogus adresses (0x00000002 and the like) are actually PC values, not SP values. Now, when you get this kind of SEGV, with a bogus (very small) PC address, 99% of the time it's due to calling through a bogus function pointer. Note that virtu...
What is a deadlock?
When writing multi-threaded applications, one of the most common problems experienced are deadlocks.
17 Answers
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Why does an overridden function in the derived class hide other overloads of the base class?
...happens, people who respond either say that this called "name hiding" and explain how it works (which you probably already know), or explain how to override it (which you never asked about), but nobody seems to care to address the actual "why" question.
The decision, the rationale behind the name h...