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What is the preferred/idiomatic way to insert into a map?
...
First of all, operator[] and insert member functions are not functionally equivalent :
The operator[] will search for the key, insert a default constructed value if not found, and return a reference to which you assign a value. Obvi...
What are attributes in .NET?
...ur objects/methods/properties.
For example I might declare an Attribute called: DisplayOrder so I can easily control in what order properties should appear in the UI. I could then append it to a class and write some GUI components that extract the attributes and order the UI elements appropriately...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...明、严格的测试以及微软官方的 技术支持。另外在用ATL开发COM组件的时候，更可以方便地利用正则库的巨大威力。
由于本人学识所限，文章内容错在所难免，如有批评指正之词，请mail ：firingme@sina.com
ATL 正则表达式
How do I write a short literal in C++?
...rt enough to compile this as if it's a short literal (i.e. it wouldn't actually allocate an int and then cast it every time).
The following illustrates how much you should worry about this:
a = 2L;
b = 2.0;
c = (short)2;
d = '\2';
Compile -> disassemble ->
movl $2, _a
movl $2, _b
m...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...度上说是错误的。即使这儿模式得到正确地实现，学习和开发的费用还是超过了多次使用预打包模式所花的费用。终究正如DNS设计一篇早期的文章所说：“[用户]打算使用而不是理解提供给他们的系统。”
其次，正式定义的模...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...度上说是错误的。即使这儿模式得到正确地实现，学习和开发的费用还是超过了多次使用预打包模式所花的费用。终究正如DNS设计一篇早期的文章所说：“[用户]打算使用而不是理解提供给他们的系统。”
其次，正式定义的模...
Is it possible to print a variable's type in standard C++?
...s (like lambdas).
Jamboree's answer doesn't quite lay everything out for VS, and I'm tweaking his code a little bit. But since this answer gets a lot of views, take some time to go over there and upvote his answer, without which, this update would never have happened.
#include <cstddef>
#i...
Table Naming Dilemma: Singular vs. Plural Names [closed]
...t wanted to add this... Is it possible that "User" (or "Users") is not actually a full description of the data held in the table? Not that you should get too crazy with table names and specificity, but perhaps something like "Widget_Users" (where "Widget" is the name of your application or website) ...
.war vs .ear file
...are packaged as a JAR file with .war (web archive) extension
EAR:
All the above files (.jar and .war) are packaged as a JAR file with .ear (enterprise archive) extension and deployed into Application Server.
share
...
ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...度上说是错误的。即使这儿模式得到正确地实现，学习和开发的费用还是超过了多次使用预打包模式所花的费用。终究正如DNS设计一篇早期的文章所说：“[用户]打算使用而不是理解提供给他们的系统。”
其次，正式定义的模...