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Creating an object: with or without `new` [duplicate]
...ng to some specific implementation (say, a computer with an x86-compatible CPU) is needlessly restrictive and leads to a lack of rigour/provability within the scope of the rules defined by the C++ standard. The C++ standard gives rules about storage duration, not about some hypothetical data structu...
VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...INT messages. If an application processes a WM_PAINT message but does not call BeginPaint or otherwise clear the update region, the application continues to receive WM_PAINT messages as long as the region is not empty. In all cases, an application must clear the update region before returning from t...
How do you performance test JavaScript code?
... a good way to get numbers, but in my experience, perceived performance is all that matters to the user/client. For example, we had a project with an Ext accordion that expanded to show some data and then a few nested Ext grids. Everything was actually rendering pretty fast, no single operation too...
Something like 'contains any' for Java set?
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Actually it will short-circuit as soon as it finds the first common element
– Xipo
Dec 15 '16 at 10:54
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How to convert UTF-8 byte[] to string?
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@maazza for unknown reason it doesn't at all. I'm calling it like System.Text.Encoding.UTF8.GetString(buf).TrimEnd('\0');.
– Hi-Angel
Jul 27 '15 at 7:53
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JavaScript sleep/wait before continuing [duplicate]
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this locks the browser, is cpu intensive, causes execution interruption on mobile devices if paused time is too long
– Paolo
Jan 26 '14 at 11:24
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Windows启动过程 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...依赖这些驱动，下表列出了初始的系统驱:
然后再设置CPU的寄存器的值，等等。这些任务完成后，ntldr把系统控制权交给进程ntoskrnl.exe (NT OS Kernel),它的使命就完成了。
NTOSKRNL是主要负责启动以下OS服务（此时你能看到的Windows XP...
How to merge two sorted arrays into a sorted array? [closed]
...ed an index out of bounds exception what inputs are you using? It works in all cases for me.
– Mike Saull
Mar 25 '13 at 4:35
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When and why are database joins expensive?
...of patience with misinformed arguments against normalisation and systematically demolished them using scientific method: he got large databases and tested these assertions.
I think he wrote it up in Relational Database Writings 1988-1991 but this book was later rolled into edition six of Introduct...
Converting .NET DateTime to JSON [duplicate]
My webs service is returning a DateTime to a jQuery call. The service returns the data in this format:
10 Answers
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