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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术

...结构体或类的成员变量。如果必须使用,一定要认真考虑如何分配和释放。 5.下面介绍一种比较复杂的情况,利于对问题的深入理解。例如我们现在用到的ICF底层库就有很多类似下面的函数: void CTestDlg::GetString(BSTR* state) ...
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Logging uncaught exceptions in Python

...ere is the output with sys.excepthook as seen above: $ python tb.py ERROR:root:Unhandled exception: Traceback (most recent call last): File "tb.py", line 11, in <module> None() TypeError: 'NoneType' object is not callable Here is the output with the sys.excepthook commented out: $ py...
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String isNullOrEmpty in Java? [duplicate]

...that when I tried to use StringUtils my IDE (Eclipse) imported it from com.mysql.jdbc.StringUtils which actually has an isNullOrEmpty(myStringObject) method. ex. import com.mysql.jdbc.StringUtils; StringUtils.isNullOrEmpty(host) Just another alternative for those who already have the MySQL conne...
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SQL - Select first 10 rows only?

... select top 100 * from myTable select top 100 colA, colB from myTable In MySQL, use: select ... order by num desc limit 10 share | improve this answer | follow ...
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How to use PyCharm to debug Scrapy projects

...rfect. make sure the working directory is pointing to your scrapy project root where scrapy.cfg is located. – Nour Wolf Jan 18 '15 at 2:31 3 ...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升

...这里着重与快速上手。 安装配置 我以CentOS为例,说明如何通过RPM来安装Rsyslog: shell> cd /etc/yum.repos.d/ shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo shell> yum install rsyslog 安装完成后,我们可以查看一下到底都装了些什么东西...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升

...这里着重与快速上手。 安装配置 我以CentOS为例,说明如何通过RPM来安装Rsyslog: shell> cd /etc/yum.repos.d/ shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo shell> yum install rsyslog 安装完成后,我们可以查看一下到底都装了些什么东西...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升

...这里着重与快速上手。 安装配置 我以CentOS为例,说明如何通过RPM来安装Rsyslog: shell> cd /etc/yum.repos.d/ shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo shell> yum install rsyslog 安装完成后,我们可以查看一下到底都装了些什么东西...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升

...这里着重与快速上手。 安装配置 我以CentOS为例,说明如何通过RPM来安装Rsyslog: shell> cd /etc/yum.repos.d/ shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo shell> yum install rsyslog 安装完成后,我们可以查看一下到底都装了些什么东西...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注IT技能提升

...这里着重与快速上手。 安装配置 我以CentOS为例,说明如何通过RPM来安装Rsyslog: shell> cd /etc/yum.repos.d/ shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo shell> yum install rsyslog 安装完成后,我们可以查看一下到底都装了些什么东西...