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How can you hide database output in Rails console?
...logging in console)
To turn it back on
ActiveRecord::Base.logger.level = 0
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Programmatically fire button click event?
...anZaky German
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Control the size of points in an R scatterplot?
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101
Try the cex argument:
?par
cex
A numerical value giving the
amount by which plotting text an...
How to undo 'git reset'?
...nd want to undo it. My reflog looks like this:
$ git reflog
3f6db14 HEAD@{0}: HEAD~: updating HEAD
d27924e HEAD@{1}: checkout: moving from d27924e0fe16776f0d0f1ee2933a0334a4787b4c
[...]
The first line says that HEAD 0 positions ago (in other words, the current position) is 3f6db14; it was obtaine...
What are detached, persistent and transient objects in hibernate?
...ession later though).
All this is clearly explained in the whole Chapter 10. Working with objects of the Hibernate documentation that I'm only paraphrasing above. Definitely, a must-read.
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How do I add a password to an OpenSSH private key that was generated without a password?
...
360
Try the command ssh-keygen -p -f keyfile
From the ssh-keygen man page
-p Requests changi...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
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answered May 21 '13 at 9:07
MattMatt
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Timer & TimerTask versus Thread + sleep in Java
...void run() { NewUploadServer.getInstance().checkAndUploadFiles(); }
}, 0, 60 * 1000);
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How to use a different version of python during NPM install?
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507
You can use --python option to npm like so:
npm install --python=python2.7
or set it to be u...
Does it make any sense to use inline keyword with templates?
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/tmp/ccfWLeDX.o: In function `int g<int>(int)':
inlinexx2.cc:(.text+0x0): multiple definition of `int g<int>(int)'
/tmp/ccUa4K20.o:inlinexx.cc:(.text+0x0): first defined here
collect2: ld returned 1 exit status
Not stating inline when doing explicit instantiation may also lead to issu...