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Is volatile expensive?

... looks something like: # {method} 'run2' '()V' in 'Test2' # [sp+0x10] (sp of caller) 0xb396ce80: mov %eax,-0x3000(%esp) 0xb396ce87: push %ebp 0xb396ce88: sub $0x8,%esp ;*synchronization entry ; - Test2::run2@-1 (line 33) 0xb396ce8e: mo...
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“Instantiating” a List in Java? [duplicate]

...ayList<T>(); This is in contrast with .NET, where, since version 2.0, List<T> is the default implementation of the IList<T> interface. share | improve this answer | ...
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Formatting Decimal places in R

I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that? ...
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Evenly space multiple views within a container view

...acer View 1' to superview with a height constraint of lower priority than 1000 and with Height Equals to all of the other 'spacer views'. 'Spacer View 4' has a bottom space constraint to superview. Each label has a respective top and bottom constraints to its nearest 'spacer views'. Note: Be sure y...
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How to perform Callbacks in Objective-C

... | edited Mar 20 '18 at 19:17 answered Jun 19 '09 at 1:09 ...
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When to use window.opener / window.parent / window.top

... PointyPointy 359k5454 gold badges508508 silver badges567567 bronze badges 1 ...
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How to properly seed random number generator

...{ rand.Seed(time.Now().UTC().UnixNano()) fmt.Println(randomString(10)) } func randomString(l int) string { bytes := make([]byte, l) for i := 0; i < l; i++ { bytes[i] = byte(randInt(65, 90)) } return string(bytes) } func randInt(min int, max int) int { return ...
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How to check if an object is a certain type

... 160 In VB.NET, you need to use the GetType method to retrieve the type of an instance of an object, ...
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AngularJS - how to get an ngRepeat filtered result reference

... answered Jul 30 '12 at 13:12 Andrew JoslinAndrew Joslin 42.7k2020 gold badges9696 silver badges7575 bronze badges ...
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Running shell command and capturing the output

... 1205 The answer to this question depends on the version of Python you're using. The simplest approac...