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Convert a positive number to negative in C#
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@makerofthings7, the one you linked to is a lot more CPU instructions -- an absolute-value operation (at least three instructions on x86), followed by a MUL (or possibly a NEG if the compiler is clever). This answer is a single, lightweight NEG opcode, nothing more or less than...
How to clear the cache in NetBeans
...cache/netbeans/8.2. This cured a nasty hang where Netbeats froze with 100% CPU usage while parsing a large project.
– Mike
Jan 11 '17 at 14:05
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...me itself (like when it switches from a linkedlist array to a fixed array, etc), and how to optimize them. See GDC 2012: From Console to Chrome for more.
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filename and line number of python script
...ethod have any performance impact (like minor increase in run time or more CPU needed ) ?
– gsinha
Dec 14 '14 at 5:41
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Unlink of file Failed. Should I try again?
...r don't want to download it, you can run (Windows + R) "resmon", go to the CPU tab and search the file name in the "Associated Identifiers" textbox.
– Raphael
Oct 16 '17 at 17:51
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VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...nPaint会怎样？程序会像进入了一个死循环一样达到惊人的CPU占用率，你会发现程序总在处理一个接 一个的WM_PAINT消息。这是因为在通常情况下，当应用收到WM_PAINT消息时，窗口的Update Region都是非空的（如果为空就不需要发送WM_PAI...
Execute script after specific delay using JavaScript
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Of course it is CPU intensive, but for quick and dirty testing it works
– Maris B.
Mar 25 '15 at 9:21
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Merge two (or more) lists into one, in C# .NET
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@MarcCliment: Which particular case? Which CLR? Which CPU architecture? On my machine I get a mixture of results. This is why I'm loathe to state/accept blanket statements such as "BTW, productionCollection1.ForEach(...) is more performant than AddRange". Performance is very rar...
Row Offset in SQL Server
... rows? select 5000000000 rows and cut for each query? its not eficient for cpu and memory of server.
– e-info128
Jul 15 '13 at 14:24
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How to design a multi-user ajax web application to be concurrently safe
...your webservers, database & caching hardware, # of user, # of objects, etc. Not an easy decision to make.
For each atomic artifact have:
an application-wide unique-id
an incrementing version-id
a locking mechanism for write-access (mutex maybe)
a small history or "changelog" inside a ringbuffe...