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Timer & TimerTask versus Thread + sleep in Java
..., as it allows multiple service threads,
accepts various time units, and doesn't require subclassing TimerTask
(just implement Runnable). Configuring ScheduledThreadPoolExecutor
with one thread makes it equivalent to Timer.
So Prefer ScheduledThreadExecutor instead of Timer:
Timer uses sin...
Get list of databases from SQL Server
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@Gia It does exist as a backwards compatablity view. msdn.microsoft.com/en-us/library/ms179900%28v=SQL.110%29.aspx
– Chris Diver
Aug 7 '11 at 22:26
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BASH copy all files except one
...-exec cp -t dest/ {} +
If src/ has sub-directories, this omits them, but does copy files inside of them:
find src/ -type f ! -name Default.png -exec cp -t dest/ {} +
If src/ has sub-directories, this does not recurse into them:
find src/ -type f -maxdepth 1 ! -name Default.png -exec cp -t dest...
Signal handling with multiple threads in Linux
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Note that this is specific to SIGUSR1, which IIRC doesn't interrupt system calls. If you tried this with SIGINT for example, it could interrupt a stream read, and when you went to return to reading, the stream may return an error that it was interrupted.
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How do you get the current time of day?
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DateTime.Now.ToShortTimeString() does the same as the second suggestion.
– Kyle Trauberman
Nov 17 '08 at 22:58
4
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Elevating process privilege programmatically?
... started from Explorer with the "Run as Administrator" menu command.
This does mean the UAC prompt will come up and will need to be acknowledged by the user: if this is undesirable (for example because it would happen in the middle of a lengthy process), you'll need to run your entire host process ...
Django FileField with upload_to determined at runtime
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Yeah, it probably does belong in docs - it's a reasonably FAQ on IRC
– SmileyChris
Jul 28 '09 at 9:22
2
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Why is '+' not understood by Python sets?
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I'm not sure it does; "Because it is blue" does not explain "Why is the sky blue?"
– SingleNegationElimination
Oct 8 '11 at 17:20
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how to read all files inside particular folder
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'System.IO.Directory' does not contain a definition for 'EnumerateFiles'
– ram
Apr 30 '11 at 8:11
4
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Stash changes while keeping the changes in the working directory in Git
...t stash create)'
git stash-keep -m "Stash commit message"
Note that this does not do everything that git stash push does. For instance, it does not append the branch name to the commit, e.g. "stash@{0}: On myBranch: Stash commit message".
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