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difference between variables inside and outside of __init__()

...e I could access both kind of variables through the self reference. It was now, when I ran into trouble, that I researched the topic and cleared it up. The problem with accessing static class variables through the self reference is that it only references the static class variable if there is no i...
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How to initialize an array's length in JavaScript?

...(function () {}) gives you an array with length 5 and undefined as values, now it can be iterated over. Array.apply(null, Array(5)).map(function (x, i) { return i; }) gives you an array with length 5 and values 0,1,2,3,4. Array(5).forEach(alert) does nothing, Array.apply(null, Array(5)).forEach(aler...
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Add number of days to a date

...nds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied. while date Returns a string formatted according to the given format string using the given integer timestamp or the current time if no timestamp is given. See the man...
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What methods of ‘clearfix’ can I use?

...z' of CSS Mojo has pointed out that when targeting modern browsers, we can now drop the zoom and ::before property/values and simply use: .container::after { content: ""; display: table; clear: both; } This solution does not support for IE 6/7 …on purpose! Thierry also offers: "A w...
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How do I create a self-signed certificate for code signing on Windows?

...ndows Server 2012, Windows Server 2012 R2, or Windows 8.1 then MakeCert is now deprecated, and Microsoft recommends using the PowerShell Cmdlet New-SelfSignedCertificate. If you're using an older version such as Windows 7, you'll need to stick with MakeCert or another solution. Some people suggest ...
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How to have an automatic timestamp in SQLite?

...rged your answer and javed's. With DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW', 'localtime')) one actually gets meaningful microsecond values. – Dietmar Jun 22 '17 at 18:24 ...
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How to check if a variable is a dictionary in Python?

... in try...except (AttributeError, TypeError). If exception is raised, you know ele has no items that yields an iterable... – cowbert Jul 14 '18 at 3:31 ...
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint

...o do this: DEBUG VIEW HIERARCHY (Do not recommend this way) Since you know where to find unexpected constraints (PBOUserWorkDayHeaderView) there is a way to do this fairly well. Lets find UIView and NSLayoutConstraint in red rectangles. Since we know their id in memory it is quite easy. Stop a...
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Android: textColor of disabled button in selector not showing?

...ce guy edited it to color but forgot to update it to @color in buttyStyle. Now its updated. – Adil Soomro May 15 '13 at 9:40 5 ...
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How to access full source of old commit in BitBucket?

...g/user/project/commits/0000000000000000000000000000000000000000?at=master. Now, just change commits in the url to src and you are browsing the full source at this commit! – Peter Sep 15 '17 at 14:07 ...