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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术

...从缓冲区中取出消息 MessageBuffer.h //MessageBuffer.h #ifndef _MESSAGE_BUF_INCLUDE_ #define _MESSAGE_BUF_INCLUDE_ #include <pthread.h> #define MESSAGE_COUNT 16 #define MESSAGE_LENGTH 2048 class MessageBuffer{ private: pthread_mutex_t mutex;//访问缓冲的互斥量 pthread_...
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How do you round a float to two decimal places in jruby

...wered Feb 28 '13 at 9:29 boulder_rubyboulder_ruby 31.7k66 gold badges6363 silver badges8888 bronze badges ...
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Simple Log to File example for django 1.3+

...utting this in your settings.py LOGGING = { 'version': 1, 'disable_existing_loggers': True, 'formatters': { 'standard': { 'format' : "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s", 'datefmt' : "%d/%b/%Y %H:%M:%S" }, }, 'ha...
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Objective-C and Swift URL encoding

...*)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes( NULL, (__bridge CFStringRef) unescaped, NULL, CFSTR("!*'();:@&amp;=+$,/?%#[]\" "), kCFStringEncodingUTF8)); Using Core Foundation Without ARC: NSString *escapedString = (NSString *)CFURLCreateStringByAddingPercentEs...
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Android OpenGL ES and 2D

...your canvas set up, you start by calling something like: gl.glClear(GL10.GL_COLOR_BUFFER_BIT); After that you're ready to render a sprite. First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html However, this is the tut...
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jQuery get value of selected radio button

... Just use. $('input[name="name_of_your_radiobutton"]:checked').val(); So easy it is. share | improve this answer | follow ...
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django: BooleanField, how to set the default value to true?

...fields/#django.forms.Field.initial ) like class MyForm(forms.Form): my_field = forms.BooleanField(initial=True) If you're using a ModelForm, you can set a default value on the model field ( https://docs.djangoproject.com/en/2.2/ref/models/fields/#default ), which will apply to the resulting M...
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What is the easiest way to parse an INI file in Java?

...port java.util.regex.Pattern; public class IniFile { private Pattern _section = Pattern.compile( "\\s*\\[([^]]*)\\]\\s*" ); private Pattern _keyValue = Pattern.compile( "\\s*([^=]*)=(.*)" ); private Map&lt; String, Map&lt; String, String &gt;&gt; _entries = new HashMap...
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How to initialize a vector in C++ [duplicate]

... give you the beginning and end of an array: template &lt;typename T, size_t N&gt; T* begin(T(&amp;arr)[N]) { return &amp;arr[0]; } template &lt;typename T, size_t N&gt; T* end(T(&amp;arr)[N]) { return &amp;arr[0]+N; } And then you can do this without having to repeat the size all over: int vv[]...
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Resolve Type from Class Name in a Different Assembly

...pe&gt; { private static Dictionary&lt;string, Type&gt; _types; private static object _lock = new object(); public static Type FromString(string typeName) { if (_types == null) CacheTypes(); if (_types.ContainsK...