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Java ArrayList copy
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Just not my day I guess. It turns out classes such as Integer and Long are also immutable, so Harshal's answer works for simple cases such as ArrayList<Integer> and ArrayList<String>. Where it fails is for complex objects that are not immutable.
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Immutable array in Java
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Somehow I never knew about Arrays.asList(T ...). I guess I can get rid of my ListUtils.list(T ...) now.
– MattRS
Feb 9 '11 at 21:23
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Extract digits from a string in Java
...-456-xyz-789";
final String result = stripNonDigits(input);
System.out.println(result);
}
Output:
0123456789
BTW: I did not use Character.isDigit(ch) because it accepts many other chars except 0 - 9.
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Can I use a collection initializer for Dictionary entries?
... SomeType obj = new SomeType.... And since you can't declare var obj; without immediately initializing, I just don't see the problem. Really, I'm trying to learn, but I can't grok your position.
– drzaus
Apr 1 '14 at 21:46
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Python: avoid new line with print command [duplicate]
...today and have this issue with Python. It's pretty dumb but I can't figure out how to do it. When I use the print command, it prints whatever I want and then goes to a different line. For example:
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Sql query to insert datetime in SQL Server
... world format, anyone but the US uses this, not just the military....) without the dashes - it works, even for British language. If you use YYYY-MM-DD HH:MM:SS however, it fails - in that case (with the dashes), you do need to separate date and time with a T literal.
– marc_s
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try/catch versus throws Exception
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You'll be able to tell this, because you can't call the first method without either catching Exception yourself or declaring that your method might throw it too.
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how to release localhost from Error: listen EADDRINUSE
...esults you can see the PIDs (in this example, PID is "8308"). You can find out more about a specific PID by running the following command:
tasklist /fi "pid eq 8308"
If you want to terminate a process, you can do that with the following command by using its PID (in this example, PID is "8308"):...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
... I am reading the source code correctly, you should be getting a warning about this in LogCat, something like:
Requested offscreen page limit 0 too small; defaulting to 1
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How to check Google Play services version?
... // check if google play service in the device is not available or out-dated.
GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
// nothing anymore, cuz android will take care of the rest (to remind user to update google play service).
}
}
}
Be...