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Union of dict objects in Python [duplicate]

...sely, the |= augmented assignment has been implemented to mean the same as calling the update method: >>> a = {"a":1} >>> a |= {"b": 2} >>> a {'a': 1, 'b': 2} For details, check PEP-584 Original answer from 2012 If you need both dicts to remain independent, and upda...
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How do I parse an ISO 8601-formatted date?

...rmats emitted by date.isoformat() and datetime.isoformat(). Specifically, this function supports strings in the format(s): YYYY-MM-DD[*HH[:MM[:SS[.mmm[mmm]]]][+HH:MM[:SS[.ffffff]]]] where * can match any single character. Caution: This does not support parsing arbitrary ISO 8...
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Why would you use String.Equals over ==? [duplicate]

...ception ever thrown by .Equals is a null reference exception if you try to call it on an object that is null, ie. string str1 = null; str1.Equals(). This isn't an issue with Equals(), that happens with any function and should be self-evident. The actual functionality of the two comparisons is always...
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Cleaner way to do a null check in C#? [duplicate]

... So basically, the vibe I am getting is, "No, there is no cleaner way!" – Jeff Jul 16 '13 at 14:14 7 ...
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How to switch activity without animation in Android?

... If your context is an activity you can call overridePendingTransition: Call immediately after one of the flavors of startActivity(Intent) or finish to specify an explicit transition animation to perform next. So, programmatically: this.startActivity(new I...
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iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]

... All apps will continue to work in the vertically stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6+, then definitely consider u...
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jQuery: Get selected element tag name

... You can call .prop("tagName"). Examples: jQuery("<a>").prop("tagName"); //==> "A" jQuery("<h1>").prop("tagName"); //==> "H1" jQuery("<coolTagName999>").prop("tagName"); //==> "COOLTAGNAME999" If writing...
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JSON encode MySQL results

... encodes all numeric values as strings. For example, a mySQL numeric field called score would have a JSON value of "12" instead of 12 (notice the quotes). – Theo Sep 25 '11 at 18:48 ...
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Prepend text to beginning of string

...Also, for jsPerf, you don't need to throw the test cases in a loop; jsPerf call each method thousands of times to get a baseline of scores. Perf tests optimize particular scenarios, and I'm not sure how common it prepend a the same string 1,000 times. – KyleMit ...
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Using property() on classmethods

...e notes, I find the following. The get method [of a property] won't be called when the property is accessed as a class attribute (C.x) instead of as an instance attribute (C().x). If you want to override the __get__ operation for properties when used as a class attribute, you can sub...