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Is String.Format as efficient as StringBuilder

...s the current version. This may no longer apply to later versions. String.Format uses a StringBuilder internally: public static string Format(IFormatProvider provider, string format, params object[] args) { if ((format == null) || (args == null)) { throw new ArgumentNullException((...
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What is the “FS”/“GS” register intended for?

...dows and Linux. The original intention behind the segment registers was to allow a program to access many different (large) segments of memory that were intended to be independent and part of a persistent virtual store. The idea was taken from the 1966 Multics operating system, that treated files a...
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Java multiline string

... Furthermore, the first version will be automatically concatenated by the compiler, since all the strings are known at compile time. Even if the strings are not known at compile time, it's no slower than StringBuilder or String.format(). The only reason to avoid concatenati...
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css 'pointer-events' property alternative for IE

...mp; there's always a lesson in haste makes waste. Besides, Mozilla said it all "Warning: The use of pointer-events in CSS for non-SVG elements is experimental. The feature used to be part of the CSS3 UI draft specification but, due to many open issues, has been postponed to CSS4." ...
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Throwing exceptions from constructors

...ody who creates the object of mutex has to remember that init() has to be called. I feel it goes against the RAII principle. share | improve this answer | follow ...
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Formatting a float to 2 decimal places

... Just in case you're unsure (I was), all of these ways for formatting a float value do provide rounding. – RenniePet Nov 12 '17 at 15:03 ...
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Remove Item from ArrayList

...items A-H and now I want to delete 1,3,5 position Item stored in int array from the list how can I do this. 10 Answers ...
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What's the result of += in C and C++?

...7.1: The assignment operator (=) and the compound assignment operators all group right-to-left. All require a modifiable lvalue as their left operand and return an lvalue with the type and value of the left operand after the assignment has taken place. EDIT : The behavior of (i+=10)+=10 in ...
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Any reason to write the “private” keyword in C#?

... the defaults, as per your question (I've never liked this argument, personally, but I figured it's worth mentioning) It gives an impression that you've deliberately decided to make it private, rather than just gone with the defaults. As for your last part: Moreover is there a case where writi...
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Overlaying histograms with ggplot2 in R

...istogram(alpha = 0.2) is telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt. What you want instead is to create three separate histograms, with alpha blending so that they are visible through each oth...