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(-2147483648> 0) returns true in C++?

... It is actually the equivalent of this pseudocode: operator -(2147483648) Now, assuming your compiler has sizeof(int) equal to 4 and CHAR_BIT is defined as 8, that would make 2147483648 overflow the maximum signed value of an integer (2147483647). So what is the maximum plus one? Lets work that out...
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How to combine two or more querysets in a Django view?

...ss memory than converting each queryset into a list before concatenating. Now it's possible to sort the resulting list e.g. by date (as requested in hasen j's comment to another answer). The sorted() function conveniently accepts a generator and returns a list: result_list = sorted( chain(page...
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Java Pass Method as Parameter

... In Java 8, you can now pass a method more easily using Lambda Expressions and Method References. First, some background: a functional interface is an interface that has one and only one abstract method, although it can contain any number of def...
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How to get an array of specific “key” in multidimensional array without looping

... nice, now if there's a native function that is similar to function ($ar) {return $ar['id'];} return value of key that would be awesome! :-) – ifaour Nov 3 '11 at 12:26 ...
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How do I connect to a specific Wi-Fi network in Android programmatically?

...\""); wfc.status = WifiConfiguration.Status.DISABLED; wfc.priority = 40; Now for the more complicated part: we need to fill several members of WifiConfiguration to specify the network’s security mode. For open networks. wfc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE); wfc.allowedPr...
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Loop through properties in JavaScript object with Lodash

... + I know they want lodash funct-style, mine was just a way to let the OP understand u can loop an obj w/out depending on a library (in case he just wants that functionality w/o including lodash) – stecb ...
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap

... Applies to Bootstrap 3 only. Ignoring the letters (xs, sm, md, lg) for now, I'll start with just the numbers... the numbers (1-12) represent a portion of the total width of any div all divs are divided into 12 columns so, col-*-6 spans 6 of 12 columns (half the width), col-*-12 spans 12 of 12 ...
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Using CSS :before and :after pseudo-elements with inline CSS?

...ove: its not possible to call a css pseudo-class / -element inline. what i now did, is: give your element a unique identifier, f.ex. an id or a unique class. and write a fitting <style> element <style>#id29:before { content: "*";}</style> <article id="id29"> <!-- someth...
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What is the difference between `after_create` and `after_save` and when to use which?

... after after destroying the record? Or in the ops case, send an email to a now deleted user? Be careful with using after_commit – rmcsharry Jul 1 '19 at 15:33 ...
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What's the difference between dynamic (C# 4) and var?

... var is static typed - the compiler and runtime know the type - they just save you some typing... the following are 100% identical: var s = "abc"; Console.WriteLine(s.Length); and string s = "abc"; Console.WriteLine(s.Length); All that happened was that the compiler f...