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www-data permissions?

...need to allow www-data to write to it, but I also want to write to it (without having to use sudo). I'm afraid to change the permissions to 777 in case some other user on my machine (or a hacker) attempts to modify files in that directory. How do I only allow access for myself and Apache's www-data?...
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Jinja2 template variable if None Object set a default value

...e variable, but not for this question where you're looking to grab a field out of a more complex one. I would downvote this, since it's not a good answer to the original question... and yet at the same time, knowing about default is exactly what I needed for my particular case, so... simply not vot...
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What are .a and .so files?

...hat the actual name is libname.a or libname.so. The linker can then figure out what to do if this is a reasonably normal program. But you still have the problem of making or finding the .so file. Have you got source code to build it, or an AIX library? – gbulmer ...
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How do I load an org.w3c.dom.Document from XML in a string?

... This works for me in Java 1.5 - I stripped out specific exceptions for readability. import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.DocumentBuilder; import org.w3c.dom.Document; import java.io.ByteArrayInputStream; public Document loadXMLFr...
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MySQL Delete all rows from table and reset ID to zero

...have orphan data in any table that foreign keys to the table you're wiping out. Enabling the foreign key checks after the fact does not cause MySQL to revalidate those foreign keys as far as I am aware. This leaves you with rows that contain data that does not exist in the reference table. You ma...
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Android app in Eclipse: Edit text not showing on Graphical layout

...in Eclipse, but then I drag the Plain text option on to the graphical layout, a message at the bottom comes up. It reads Exception raised during rendering: java.lang.System.arraycopy([CI[CII)V Exception details are logged in Window > Show View > Error Log Even when I go to Window > Sho...
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Ternary operator is twice as slow as an if-else block?

... The compiler might as well expand out the ternary into an if-else. – dezfowler Jun 26 '13 at 22:49 13 ...
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How to get a float result by dividing two integer values using T-SQL?

... You can even leave out the zeroes. – John Mar 6 '17 at 11:34 add a comment  |  ...
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How to enable local network users to access my WAMP sites?

First of all, I read at least 20 articles about this topic, and not one of them can match up the scenario and I screwed up the process numerous times. So I turn help by offering my specific scenario if any help will be appreciated. ...
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How to use multiple @RequestMapping annotations in spring?

...stMapping(value={"", "/"}) - only "/" works, "" does not. However I found out this works: @RequestMapping(value={"/", " * "}), the " * " matches anything, so it will be the default handler in case no others. share ...