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write a shell script to ssh to a remote machine and execute commands
...nes, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with ssh, for example:
#!/bin/bash
USERNAME=someUser
HOSTS="host1 host2 host3"
SCRIPT="pwd; ls"
for HO...
Elastic search, multiple indexes vs one index and types for different data sets?
...er in each shard since it is distributed to different indices.
Searching a combination of data models from 2 or more indices is going to generate overhead, because the query will have to be sent to more shards across indices, compiled and sent back to the user.
Not recommended if your data set is sm...
JavaScript open in a new window, not tab
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Android Min SDK Version vs. Target SDK Version
When it comes to developing applications for Android, what is the difference between Min and Target SDK version? Eclipse won't let me create a new project unless Min and Target versions are the same!
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How to implement onBackPressed() in Fragments?
...sed in the Activity. All the FragmentTransaction are addToBackStack before commit:
@Override
public void onBackPressed() {
int count = getSupportFragmentManager().getBackStackEntryCount();
if (count == 0) {
super.onBackPressed();
//additional code
} else {
getS...
How to navigate through a vector using iterators? (C++)
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...Enter. Then, fspace. to move forward to the next space and repeat the last command.
Depending on your autoindent settings, the above may or may not indent the return statement properly. If not, then use sEnterTabEsc instead to replace the space with a newline, indent the line, and exit insert mode....
How to Flatten a Multidimensional Array?
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How to really read text file from classpath in Java
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No, you broke my example. I'll edit the comments to make them clearer, but the point is that using ClassLoader all paths are assumed to be absolute already. There's nothing for them to be relative to.
– Jon Skeet
Sep 23 '09 at...