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Installing R with Homebrew
... I got error: Error: homebrew/science was deprecated. This tap is now empty as all its formulae were migrated.
– Menglong Li
Jul 3 '18 at 13:24
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How to put a UserControl into Visual Studio toolBox
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In VS2012 they have now added the hint 'The current solution must be re-opened for this to take effect' to the options dialog.
– Carlos P
Nov 28 '13 at 20:08
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Cannot ignore .idea/workspace.xml - keeps popping up
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I had this problem just now, I had to do git rm -f .idea/workspace.xml
now it seems to be gone (I also had to put it into .gitignore)
share
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impro...
Convert a list to a data frame
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Update July 2020:
The default for the parameter stringsAsFactors is now default.stringsAsFactors() which in turn yields FALSE as its default.
Assuming your list of lists is called l:
df <- data.frame(matrix(unlist(l), nrow=length(l), byrow=T))
The above will convert all character columns...
iOS - forward all touches through a view
... a table view behind. You make the "holder" panel PassthroughView. It will now work, you can scroll the table "through" the "holder".
But!
On top of the "holder" panel you have some labels or icons. Don't forget, of course those must simply be marked user interaction enabled OFF!
On top of the "ho...
How to check for DLL dependency?
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I've read that this is now dated, is there anything more current?
– TankorSmash
Jun 25 '14 at 4:02
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Is UML practical? [closed]
...carefully about what they're doing, but a professional programmer already knows what they're doing. Most of the time, writing the code itself is quicker and more effective than writing about the code, because their programming intuition is tuned to the task.
It's not just about what you're doing t...
Java: difference between strong/soft/weak/phantom reference
...moved).
On the other hand, a phantom Reference Object is useful only to know exactly when an object has been effectively removed from memory: normally they are used to fix weird finalize() revival/resurrection behavior, since they actually do not return the object itself but only help in keeping t...
Random Number Between 2 Double Numbers
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I suggest to put as a seed new Random((int)DateTime.Now.Ticks) this should make it "more random" even in quick loops.
– Daniel Skowroński
Aug 22 '12 at 20:03
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How to determine SSL cert expiration date from a PEM encoded certificate?
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If you just want to know whether the certificate has expired (or will do so within the next N seconds), the -checkend <seconds> option to openssl x509 will tell you:
if openssl x509 -checkend 86400 -noout -in file.pem
then
echo "Certific...