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Maximum Length of Command Line String
In Windows, what is the maximum length of a command line string? Meaning if I specify a program which takes arguments on the command line such as abc.exe -name=abc
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...所用的时间。如果使用 FTP，则服务器在开始处理客户端命令之前，必须验证该客户端。FTP验证度量仅适用于 FTP协议通信
Receive Time
显示从服务器收到最后一个字节并完成下载之前经过的时间。接收度量是很好的...
What is the difference between Pan and Swipe in iOS?
...here's a conflict between pan and swipe. Most likely, your pan recognizer "wins" the conflict because its gesture is simpler / more general: A swipe is a pan but a pan may not be a swipe, so the pan recognizes first and excludes other recognizers.
You should be able to resolve this conflict using t...
Does pandas iterrows have performance issues?
...ly at the start of the iteration; this savings alone is one of the biggest wins.
Better caching: Iterating over a C array is cache-friendly and thus very fast. A pandas DataFrame is a "column-oriented table", which means that each column is really just an array. So the native actions you can perform...
What are the pros and cons of performing calculations in sql vs. in your application
shopkeeper table has following fields:
13 Answers
13
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String concatenation: concat() vs “+” operator
...thod should be faster. However, with more strings the StringBuilder method wins, at least in terms of performance.
The source code of String and StringBuilder (and its package-private base class) is available in src.zip of the Sun JDK. You can see that you are building up a char array (resizing as ...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...iplication, where my answer has a section on why rcpps is not a throughput win anymore. (Or a latency win), and numbers on divide throughput/latency.
– Peter Cordes
Apr 25 '18 at 11:38
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How to get error message when ifstream open fails
...lying functions may not set errno at all (direct system calls on Linux, or Win32). This doesn't work on many real world implementations.
– strcat
Mar 12 '14 at 6:40
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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...宽度设为ideal viewport的宽度，那么浏览器到底该服从哪个命令呢？是书写顺序在后面的那个吗？不是。当遇到这种情况时，浏览器会取它们两个中较大的那个值。例如，当width=400，ideal viewport的宽度为320时，取的是400；当width=400...
What is the difference between include and extend in Ruby?
...ils about include, with its default behavior, assuming you've run the following code
class Klazz
include Mod
end
If Mod is already included in Klazz, or one of its ancestors, the include statement has no effect
It also includes Mod's constants in Klazz, as long as they don't clash
It gives Kla...