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write a shell script to ssh to a remote machine and execute commands
...able the host key check and automatically add the host key to the list of known hosts. If you do not want to have the host added to the known hosts file, add the option -o UserKnownHostsFile=/dev/null.
Note that this disables certain security checks, for example protection against man-in-the-middle...
Automatically capture output of last command into a variable using Bash?
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I don't know of any variable that does this automatically. To do something aside from just copy-pasting the result, you can re-run whatever you just did, eg
vim $(!!)
Where !! is history expansion meaning 'the previous command'.
I...
How do CDI and EJB compare? interact?
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It is currently indeed a bit confusing as there are now multiple component models in Java EE. They are CDI, EJB3 and JSF Managed Beans.
CDI is the new kid on the block. CDI beans feature dependency injection, scoping and an event bus. CDI beans are the most flexible with resp...
How to prevent sticky hover effects for buttons on touch devices
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This is now widely supported in mobile browsers, and works like a charm. I think it should be the accepted answer.
– Trevor Burnham
May 28 '19 at 2:20
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How can I time a code segment for testing performance with Pythons timeit?
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update: time.clock() is now deprecated. You should now use time.time(). Actually, since version 3.3, the best option would be time.perf_counter()
– Madlozoz
Jul 10 '16 at 9:57
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How does one generate a random number in Apple's Swift language?
...n one's own program? Or is there a library that does this that we can use now?
25 Answers
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Different font size of strings in the same TextView
... require.
String s= "Hello Everyone";
String[] each = s.split(" ");
Now apply span to the string and add the same to textview.
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How do I read the contents of a Node.js stream into a string variable?
...he mail data. The library provides the mail data as a stream, and I don't know how to get that into a string.
18 Answers
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How do I resolve “Cannot find module” error using Node.js?
...so that they get checked in along with my project code.
Update (8/2019):
Nowadays you can use package-lock.json file, which is automatically generated when npm modifies your node_modules directory. Therefore you can leave out checking in packages, because the package-lock.json tracks the exact ver...
Reading header data in Ruby on Rails
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Rails now attaches HTTP_ to the header as well as converting it to all caps so it would now be:
request.headers["HTTP_CONTENT_TYPE"]
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