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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...r when I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands:
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Any reason to clean up unused imports in Java, other than reducing clutter?
...on you decide not to use it but never remove the import.
If somebody else now wants to instantiate org.W.V.Y.ObjectPool and just refer to ObjectPool, they don't get any warning about it until somewhere down the line there's a casting problem or invocation problem.
This is, by the way, not an unrea...
How to change the button text of ?
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@Ya can you tell what browser and it version? Tested now on Chrome Version 43.0.2357.130 (64-bit) on Linux and all examples works perfectly.
– Fernando Kosh
Jul 6 '15 at 21:16
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What is the difference between origin and upstream on GitHub?
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It also helps knowing what upstream is generally: stackoverflow.com/questions/2739376/…
– VonC
Mar 10 '12 at 20:59
2
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python's re: return True if string contains regex pattern
...similar case where I want to search for an exact string (xyz) and want to know which is a more efficient way to do this, should I use python's 'xyz' in given_text or use re.compile(r'xyz').search(given_text) ?
– bawejakunal
May 4 '16 at 9:01
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How to change the playing speed of videos in HTML5?
...o').defaultPlaybackRate = 2.0;
document.querySelector('video').play();
/* now play three times as fast just for the heck of it */
document.querySelector('video').playbackRate = 3.0;
The above works on Chrome 43+, Firefox 20+, IE 9+, Edge 12+.
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How to force ASP.NET Web API to always return JSON?
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Filip W just got better way now :), see it here strathweb.com/2013/06/…
– Tien Do
Jun 15 '13 at 16:36
7
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Regular expression to match a word or its prefix
...e non-capturing was what I needed. I thought using () would always match, knowing there is an option not to match is handy, Thank you.
– NMGod
Aug 23 '13 at 12:19
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Arrow operator (->) usage in C
...t *(ptr.kg) which is not possible as pointer has no members! And compiler knows this and will therefore issue an error e.g.:
error: ‘ptr’ is a pointer; did you mean to use ‘->’?
printf("%d\n", *ptr.km);
Instead you use this (*ptr).kg and you force compiler to 1st dereference the poin...
Multiple Models in a single django ModelForm?
...xin so you can use all generic Class Based Views. Define model, fields and now also child_model and child_field - and then you can wrap fields of both models in a tag like Zach describes.
class ChildModelFormMixin:
''' extends ModelFormMixin with the ability to include ChildModelForm '''
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