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rsync: difference between --size-only and --ignore-times
...cp's the file. However, what if the metadata do match but files aren't actually the same? Then rsync probably didn't do what you intended.
Files that are the same size may still have changed. One simple example is a text file where you correct a typo -- like changing "teh" to "the". The file size i...
What does the “Just” syntax mean in Haskell?
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It's actually just a normal data constructor that happens to be defined in the Prelude, which is the standard library that is imported automatically into every module.
What Maybe is, Structurally
The definition looks something like ...
How to check internet access on Android? InetAddress never times out
...h (IOException e) { return false; }
}
+ very fast (either way), works on all devices, very reliable
- can't run on the UI thread
This works very reliably, on every device, and is very fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask).
Possible Question...
Difference between “read commited” and “repeatable read”
...n level of the .Net System.Transactions scope is serializable, and this usually explains the abysmal performance that results.
And finally, there is also the SNAPSHOT isolation level. SNAPSHOT isolation level makes the same guarantees as serializable, but not by requiring that no concurrent transac...
How to format numbers by prepending 0 to single-digit numbers?
... @Joseph .75 is transformed in 75.
– Galled
Nov 25 '11 at 22:06
@Galled normally that kind of thing is ...
VS2013 permanent CPU usage even though in idle mode
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This problem happened for me after I installed the 3rd party GIT tools and setting the plugin to None fixed it. Interestingly, after setting this to None, I have set it back to the MS Git provider and the problem has not returned.
– TreeAndLeaf...
How can I pass command-line arguments to a Perl program?
...rbose); # flag
Alternatively, @ARGV is a special variable that contains all the command line arguments. $ARGV[0] is the first (ie. "string1" in your case) and $ARGV[1] is the second argument. You don't need a special module to access @ARGV.
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“Wrap with try…catch” in IntelliJ?
...ity Guide under the Help menu from time to time. Not only does it tell me all the shortcuts, but it keeps track of how many times I've used each one and when I last used it. I can see how well I'm leveraging the shortcuts.
...
How to make IPython notebook matplotlib plot inline
...rt numpy as np
import matplotlib.pyplot as plt
You can also always start all your IPython kernels in inline mode by default by setting the following config options in your config files:
c.IPKernelApp.matplotlib=<CaselessStrEnum>
Default: None
Choices: ['auto', 'gtk', 'gtk3', 'inline', '...
Keep-alive header clarification
... is recognized by source IP and port and destination IP and port. Your OS, all intermediate session-aware devices and the server's OS will recognize the connection by this.
HTTP works with request-response: client connects to server, performs a request and gets a response. Without keep-alive, the c...