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Why is NaN not equal to NaN? [duplicate]
...n this question pops up in searches.
NaN is designed to propagate through all calculations, infecting them like a virus, so if somewhere in your deep, complex calculations you hit upon a NaN, you don't bubble out a seemingly sensible answer. Otherwise by identity NaN/NaN should equal 1, along with ...
Why array implements IList?
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Because an array allows fast access by index, and IList/IList<T> is are the only collection interfaces that support this. So perhaps your real question is "Why is there no interface for constant collections with indexers?" And to that I...
Appending HTML string to the DOM
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Use insertAdjacentHTML if it's available, otherwise use some sort of fallback. insertAdjacentHTML is supported in all current browsers.
div.insertAdjacentHTML( 'beforeend', str );
Live demo: http://jsfiddle.net/euQ5n/
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Viewing all `git diffs` with vimdiff
...n saving changes you have to type :w! instead of :w". That is because git calls vimdiff with the -R option. You can override it with git config --global difftool.vimdiff.cmd 'vimdiff "$LOCAL" "$REMOTE"'. That will open vimdiff in writeable mode.
– wisbucky
Apr ...
Cannot push to Heroku because key fingerprint
... I followed this post and others of the same kind without success :-((
Finally, I found the solution:
I had to add my new rsa identity in my machine!
So, first of all I created a new rsa key:
ssh-keygen -t rsa -C "giordano.scalzo[at]gmail.com" -f ~/.ssh/id_rsa_heroku
then added it to my machin...
How to run Node.js as a background process and never die?
...ill %2 with the number being the index of the process.
Powerful solution (allows you to reconnect to the process if it is interactive):
screen
You can then detach by pressing Ctrl+a+d and then attach back by running screen -r
Also consider the newer alternative to screen, tmux.
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Problems with Android Fragment back stack
...Replace an existing fragment that was added to a container. This is essentially the same as calling remove(Fragment) for all currently added fragments that were added with the same containerViewId and then add(int, Fragment, String) with the same arguments given here.
then what's happening is like...
remove nuget package restore from solution
...ages>true</RestorePackages>
Just have to remove this as well as all these lines manually from all *.csproj files:
<Import Project="$(SolutionDir)\.nuget\nuget.targets" />
UPDATE:
Turns out it's a persistent little bugger, if you're manually editing your project files, make sur...
Is there an equivalent of 'which' on the Windows command line?
...he where.exe program which does some of what which does, though it matches all types of files, not just executable commands. (It does not match built-in shell commands like cd.) It will even accept wildcards, so where nt* finds all files in your %PATH% and current directory whose names start with ...
Get most recent file in a directory on Linux
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A minor issue: This version pipes all the output of ls to tail, then prints only the LAST line. IMHO it is better to sort in ascending order and use head instead, as chaos suggested. After printing the first line head quits, so sending the next line (actually...