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rsync: difference between --size-only and --ignore-times
...ry good.
For local files, rsync compares metadata and if it looks like it doesn't need to copy the file because size and timestamp match between source and destination it doesn't look further. If they don't match, it cp's the file. However, what if the metadata do match but files aren't actually th...
What is the HEAD in git?
...ify commits - this is just one tiny piece. kernel.org/pub/software/scm/git/docs/…
– Cascabel
Mar 27 '10 at 16:43
1
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Can I have an IF block in DOS batch file?
In a DOS batch file we can only have 1 line if statement body? I think I found somewhere that I could use () for an if block just like the {} used in C-like programming languages, but it is not executing the statements when I try this. No error message either. This my code:
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How to test an Android Library Project
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Quoting the documentation:
"There are two recommended ways of setting up testing on code and resources in a library project:
You can set up a test project that instruments an application project that depends on the library project. Yo...
Eclipse's Ctrl+click in Visual Studio?
...Move hand to mouse
Move mouse to hover over variable name
Other hand holds down Ctrl key while you click
Move mouse to position cursor, highlight, right-click, or whatever
Move hand back to keyboard to continue typing
F12 workflow
Move hand to mouse
Mouse mouse to hover over variable name
Move h...
How to add line breaks to an HTML textarea?
...lem is that when I make line breaks in it, they won’t display. How can I do this?
9 Answers
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CSS Child vs Descendant selectors
...scendant selector, which can have a visible affect on pages with 1000's of DOM elements.
– Jake Wilson
Mar 22 '12 at 17:37
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- how to allow only one item selected?
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Just don't make it a select multiple, but set a size to it, such as:
<select name="user" id="userID" size="3">
<option>John</option>
<option>Paul</option>
<option>Ringo</option...
Does using final for variables in Java improve garbage collection?
...ly.
So, off the top of my head, I'm going to say "no, the 'final' modifer doesn't help the GC reduce its workload".
In my opinion, the best strategy for optimizing your memory-management in Java is to eliminate spurious references as quickly as possible. You could do that by assigning "null" to an...
How to select only the records with the highest date in LINQ
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Oracle doesn't support this. If query performance is out of your consideration, you can convert table ToList before you do the query.
– Will Wu
Mar 8 '13 at 9:44
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