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General guidelines to avoid memory leaks in C++ [closed]
...ption safety and resource disposal in C++, and no other pattern (sandwich, etc.) will give you both (and most of the time, it will give you none).
See below a comparison of RAII and non RAII code:
void doSandwich()
{
T * p = new T() ;
// do something with p
delete p ; // leak if the p pro...
What does the PHP error message “Notice: Use of undefined constant” mean?
... is, it was looking for constants called department, name, email, message, etc. When it doesn't find such a constant, PHP (bizarrely) interprets it as a string ('department', etc). Obviously, this can easily break if you do defined such a constant later (though it's bad style to have lower-case co...
Convert JavaScript string in dot notation into an object reference
...the first place (most ideal if it's only client-side or only server-side), etc. (A pre-existing unique id would be inelegant to add, but could be used if the spec otherwise requires its existence regardless.)
case 2: Working with serialized data, or data that will be displayed to the user. L...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...What browsers are supported?支持哪些浏览器?
The goal is to support all HTML5 compliant browsers, but sincefeature support varies per browser/version our support for all PDF featuresvaries as well. If you want to support more browsers than Firefox you'll needto include compatibility.jswhich h...
项目管理实践【六】自动同步数据库【Using Visual Studio with Source Cont...
... Visual Studio with Source Control System to synchronize database automatically】在上一篇项目管理实践【五】自动编译和发布网站中，我们讲解了如何使用MSBuild+Robocopy+WebDeployment来自动编译和部署网站，今天，我们来 在上一篇项目管理实践【...
Parse JSON String into a Particular Object Prototype in JavaScript
...want you can change all property definitions like this.title, this.author, etc by var title, var author, etc. and add getters to them to accomplish the UML definition.
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
...us
工具安装
在主库服务器安装
#安装依赖包 # yum install perl-DBI perl-DBD-MySQL perl-TermReadKey perl-Time-HiRes #安装工具 # wget percona.com/get/percona-toolkit.tar.gz # tar zxvf percona-toolkit-2.2.14.tar.gz # cd percona-toolkit-2.2.14 # perl Makefile.PL && make && ma...
How do I find the location of Python module sources?
...ever __file__, or trying to walk through sys.path and search for yourself, etc. (unless you need to be backward compatible beyond 2.1).
It's the inspect module—in particular, getfile or getsourcefile.
Unless you want to learn and implement the rules (which are documented, but painful, for CPytho...
static const vs #define
...he enum's typename may appear in various places in RTTI, compiler messages etc. - possibly useful, possibly obfuscation
you can't use an enumeration without the translation unit actually seeing the value, which means enums in library APIs need the values exposed in the header, and make and other tim...
A proper wrapper for console.log with correct line number?
...is called. However, you could do things like add dynamic prefixes/suffixes etc.. There are also ways to compensate for the line number issue, but thats another question i think. Check this project out for an example: github.com/arctelix/iDebugConsole/blob/master/README.md
– a...