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How to make “if not true condition”?
...fic case, it does indeed work because sysa will be printed which makes the test statement come true. However, if ! [ $(true) ]; then echo false; fi would always print false because the true command does not write anything to stdout (even though the exit code is 0). That is why it needs to be rephras...
How do you deploy your ASP.NET applications to live servers?
...ments in sync, and we know exactly what is in production (we deploy to all test and uat environments the same way).
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pull/push from multiple remote locations
... No. Since writing my question, I've read other web postings and then tested this thing. From reading other postings, I have got the suspicion that only the first line is used. I've just tested this: indeed, only the URL from the first line is inspected by git fetch. (Given this, I don't unders...
Is there a way to get the git root directory in one command?
...
How about "git rev-parse --git-dir" ?
F:\prog\git\test\copyMerge\dirWithConflicts>git rev-parse --git-dir
F:/prog/git/test/copyMerge/.git
The --git-dir option seems to work.
From git rev-parse manual page:
--git-dir
Show $GIT_DIR if defined else show the path to ...
Running the new Intel emulator for Android
...
I just tested running this with the default hardware setup, was working fine then. This x86 emulator is still pretty new, so there's bound to be a bug or two. Try creating a new AVD and run it with the default HW setup.
...
Event binding on dynamically created elements?
...// .bu clicked
// Do your thing
} else if (hasClass(e.target, 'test')) {
// .test clicked
// Do your other thing
}
}, false);
where hasClass is
function hasClass(elem, className) {
return elem.className.split(' ').indexOf(className) > -1;
}
Live demo
Cred...
Condition within JOIN or WHERE
...lly. In "SQL Performance Tuning" by Peter Gulutzan and Trudy Pelzer, they tested multiple brands of RDBMS and found no performance difference.
I prefer to keep join conditions separate from query restriction conditions.
If you're using OUTER JOIN sometimes it's necessary to put conditions in the ...
Obtaining a powerset of a set in Java
...(newSet);
sets.add(set);
}
return sets;
}
And a test, given your example input:
Set<Integer> mySet = new HashSet<Integer>();
mySet.add(1);
mySet.add(2);
mySet.add(3);
for (Set<Integer> s : SetUtils.powerSet(mySet)) {
System.out.println(s);
}
...
How can I display an RTSP video stream in a web page?
...D1C159921"
codebase="http://downloads.videolan.org/pub/videolan/vlc/latest/win32/axvlc.cab"
width="640" height="480" id="vlc" events="True">
<param name="Src" value="rtsp://cameraipaddress" />
<param name="ShowDisplay" value="True" />
<param name="AutoLoop" value...
How to remove the lines which appear on file B from another file A?
...ring the first file in an associative array as keys for a later "contains" test.
NR==FNR is checking whether we're scanning the first file, where the global line counter (NR) equals to the current file line counter (FNR).
a[$0] adds the current line to the associative array as key, note that this be...