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TypeError: method() takes 1 positional argument but 2 were given

...bject, "foo") ...which, as you can see, does indeed have two arguments - it's just that the first one is implicit, from the point of view of the caller. This is because most methods do some work with the object they're called on, so there needs to be some way for that object to be referred to ins...
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How default .equals and .hashCode will work for my classes?

...s, the default implementation is Object's (generally speaking; if you inherit from a class that redefined equals and/or hashCode, then you'll use that implementation instead). From the documentation: equals The equals method for class Object implements the most discriminating possible equivale...
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AJAX POST and Plus Sign ( + ) — How to Encode?

.... How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side? 6 Answers ...
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Check variable equality against a list of values

I'm checking a variable, say foo , for equality to a number of values. For example, 13 Answers ...
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Styling twitter bootstrap buttons

Twitter-Bootstrap buttons are awesomely beautiful. Try them out by scrolling over them 14 Answers ...
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Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:

...king an rss reader for my school and finished the code. I ran the test and it gave me that error. Here is the code it's referring to: ...
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Is there any way to delete local commits in Mercurial?

...I keep making a silly mistake in Mercurial. Often times, I'll start work without doing an "hg pull" and an "hg update." When I try to push my changes, I get an error. ...
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Detecting iOS / Android Operating system

...or.vendor || window.opera; // Windows Phone must come first because its UA also contains "Android" if (/windows phone/i.test(userAgent)) { return "Windows Phone"; } if (/android/i.test(userAgent)) { return "Android"; } // iOS detection from: http://stacko...
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Cached, PHP generated Thumbnails load slowly

...n Part A ▉ (100 bountys, awarded) Main question was how to make this site, load faster. First we needed to read these waterfalls. Thanks all for your suggestions on the waterfall readout analysis. Evident from the various waterfall graphs shown here is the main bottleneck: the PHP-generated thu...
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Java: Subpackage visibility?

...follow | edited Apr 29 at 3:21 Jin Kwon 16.1k88 gold badges8484 silver badges137137 bronze badges ...