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What does “export” do in shell programming? [duplicate]
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Exported variables such as $HOME and $PATH are available to (inherited by) other programs run by the shell that exports them (and the programs run by those other programs, and so on) as environment variables. Regular (non-exported) variables are not availab...
How to use onSavedInstanceState example please
...vity is about to be destroyed. But how do you store your information in it and bring it back to its original state in onCreate(Bundle savedInstanceState) ? I don't understand how this bundle will restore information. It would be helpful if someone can provide an example.
The Dev guide doesn't do a ...
HTTP Content-Type Header and JSON
...ur own.
The header is there so your app can detect what data was returned and how it should handle it. You need to look at the header, and if it's application/json then parse it as JSON.
This is actually how jQuery works. If you don't tell it what to do with the result, it uses the Content-Type ...
HTML tag want to add both href and onclick working
... }
</script>
The default behavior of the <a> tag's onclick and href properties is to execute the onclick, then follow the href as long as the onclick doesn't return false, canceling the event (or the event hasn't been prevented)
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How do I check if an index exists on a table field in MySQL?
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Be careful and test all the statement using this. This fails on some tables in my database when trying to use it with LiquiBase 1.9.5. Maybe my DB is corrupted. Or maybe it's a bug in the ancient version of LiquiBase I'm stuck using ...
Override back button to act like home button
...time you need to create a Service to perform something in the background, and your visible Activity simply controls this Service. (I'm sure the Music player works in the same way, so the example in the docs seems a bit misleading.) If that's the case, then your Activity can finish as usual and the ...
CSS, Images, JS not loading in IIS
...p here:
Source: http://adilmughal.com/blog/2011/11/iis-7-not-loading-css-and-image/
Windows 10:
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How to run the sftp command with a password from Bash script?
...up. However, since I don't have control over other host, I cannot generate and share RSA keys with the other host.
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Exclude folder from search but not from the project list
...fy Source Root by going to Settings > Project Settings > Directories and adding additional directories.
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What is content-type and datatype in an AJAX request?
What is content-type and datatype in a POST request? Suppose I have this:
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