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Has anyone ever got a remote JMX JConsole to work?
...solution for this:
If your Java process is running on Linux behind a firewall and you want to start JConsole / Java VisualVM / Java Mission Control on Windows on your local machine to connect it to the JMX Port of your Java process.
You need access to your linux machine via SSH login. All Communic...
Cannot create an array of LinkedLists in Java…?
...nto it. ArrayList will index faster, but Fredrik's solution is better overall.
– Steve Zobell
Mar 9 '17 at 20:08
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test a file upload using rspec - rails
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You can use fixture_file_upload method to test file uploading:
Put your test file in "{Rails.root}/spec/fixtures/files" directory
before :each do
@file = fixture_file_upload('files/test_lic.xml', 'text/xml')
end
it "can upload a license" do...
How to implement a tree data-structure in Java? [closed]
...object. It is fairly easy to implement simple trees to do what you need.
All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of the Tree.
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submitting a GET form with query string params and hidden params disappear
...the question mark and the parameters, and then cross one's fingers to hope all browsers would leave that URL as it (and validate that the server understands it too). But I'd never rely on that.
By the way: it's not different for non-hidden form fields. For POST the action URL could hold a query stri...
Is it acceptable and safe to run pip install under sudo?
...ns together will get me back on track :)
– markwalker_
Feb 22 '13 at 16:40
1
also, for installing...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...or anyone who is reading this in the future.
First I set up the subclass call MyCollectionViewFlowLayout and then in interface builder I changed the collection view layout to Custom and selected my flow layout subclass.
Because you're doing it this way you can't specify items sizes, etc... in IB s...
SQLite table constraint - unique on multiple columns
...t method, and not the insertWithOnConflict with the SQLiteDatabase.CONFLICT_REPLACE flag?
– Oleg Belousov
Jan 25 '14 at 16:23
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How to ssh to vagrant without actually running “vagrant ssh”?
...sh" because it's -c option didn't pass on arguments properly. This is basically what it does (there might be more, but it works fine this way)
#!/bin/sh
PORT=$(vagrant ssh-config | grep Port | grep -o '[0-9]\+')
ssh -q \
-o UserKnownHostsFile=/dev/null \
-o StrictHostKeyChecking=no \
-i...
How do I get the current username in Windows PowerShell?
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I'd like to throw in the whoami command, which basically is a nice alias for doing %USERDOMAIN%\%USERNAME% as proposed in other answers.
Write-Host "current user:"
Write-Host $(whoami)
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