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Is the “struct hack” technically undefined behavior?
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As the C FAQ says:
It's not clear if it's legal or portable, but it is rather popular.
and:
... an official interpretation has deemed that it is not strictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which ...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
My program operates like this:
9 Answers
9
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How to get the text node of an element?
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var text = $(".title").contents().filter(function() {
return this.nodeType == Node.TEXT_NODE;
}).text();
This gets the contents of the selected element, and applies a filter function to it. The filter function returns only text nodes (i.e. those nodes with nodeType == Node.TEXT_NODE).
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Copy/duplicate database without using mysqldump
Without local access to the server, is there any way to duplicate/clone a MySQL db (with content and without content) into another without using mysqldump ?
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NSLog an object's memory address in overridden description method
I am overriding an object's description method. I need to know how to print the object's memory address to replace {???} in the code below:
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HTML in string resource?
I know I can put escaped HTML tags in string resources. However, looking at the source code for the Contacts application I can see that they have a way of not having to encode the HTML. Quote from the Contacts application strings.xml :
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...输入正确的用户名和密码进如系统，查看虚拟机获得的IP地址
这个时候系统的网卡默认是没有启动的
输入 ifup eth0 启用网卡 ifconfig
Redhat 初步安装完成。
1.2辅助工具
切换到windows 下准备号SSH工具我的是SecureCRT
输入正确...
How to check if a variable exists in a FreeMarker template?
I have a Freemarker template which contains a bunch of placeholders for which values are supplied when the template is processed. I want to conditionally include part of the template if the userName variable is supplied, something like:
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Difference Between Select and SelectMany
...ifference when using LINQ To SQL but all I've found are standard array examples.
17 Answers
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Does Javascript pass by reference? [duplicate]
Does Javascript pass by references or pass by values? Here is an example from Javascript: The Good Parts . I am very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the func...