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Use of #pragma in C

...to do something, set some option, take some action, override some default, etc. that may or may not apply to all machines and operating systems. See msdn for more info. share | improve this answer ...
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Why use prefixes on member variables in C++ classes

...wish to make the type clear, I use standard suffixes (e.g. List, ComboBox, etc). This makes the programmer aware of the usage of the variable whenever they see/use it. Arguably the most important case is "p" for pointer (because the usage changes from var. to var-> and you have to be much more c...
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Is there a better way to express nested namespaces in C++ within the header

...h) One level of "public API" namespaces for certain aspects (UI, DB access etc.) "Implementation Detail" namespaces that are not part of the public API (anonymous namespaces in .cpp's, or ModuleDetailHereBeTygers namespaces in header-only libs) enums are the biggest problem in my experience. They ...
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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

...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...
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内存调试技巧:C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术

...他许多通用语言(如 Java™、Ruby、Haskell、C#、Perl、Smalltalk 等),每种语言都有众多爱好者和各自优点。但是,从计算角度来看,每种编程语言优于 C 或 C++ 主要优点都与便于内存管理密切相关。与内存相关编程是如...
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Location of my.cnf file on macOS

...lues. To set up your own my.cnf, you could just create a file straight in /etc. OS X provides example configuration files at /usr/local/mysql/support-files/. And if you can't find them there, MySQLWorkbench can create them for you by: Opening a connection Selecting the 'Options File' under 'IN...
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How to manage local vs production settings in Django?

...local development and the production server? Some of them (like constants, etc) can be changed/accessed in both, but some of them (like paths to static files) need to remain different, and hence should not be overwritten every time the new code is deployed. ...
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What is the difference between linear regression and logistic regression?

...nature. For instance, yes/no, true/false, red/green/blue, 1st/2nd/3rd/4th, etc. Linear regression is used when your response variable is continuous. For instance, weight, height, number of hours, etc. Equation Linear regression gives an equation which is of the form Y = mX + C, means equation w...
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Why does sudo change the PATH?

...d binary folders in the PATH. Having already added my requirements to /etc/environment I was surprised when I got errors about missing commands when running them under sudo..... I tried the following to fix this without sucess: Using the "sudo -E" option - did not work. My ...
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Proper way to use **kwargs in Python

...(**kwargs): foo = kwargs.pop('foo') bar = kwargs.pop('bar') ...etc... is "the same as" def f(foo=None, bar=None, **kwargs): ...etc... this is not true. In the latter case, f can be called as f(23, 42), while the former case accepts named arguments only -- no positional calls. ...