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How to get the size of a JavaScript object?
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Anyone who landed here looking for the smallest type for the purposes of false/true, it seems to be undefined/null.
– zupa
Jan 24 '13 at 16:32
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Making git auto-commit
I'd like to use git to record all the changes to a file.
18 Answers
18
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Query-string encoding of a Javascript Object
...sary? The for in statement loop just over the properties of the object so calling hasOwnProperty always evaluate to true
– Arnon
May 26 '16 at 12:07
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...ms instead of programming. Recently, I have been following a manual to install a software suite on Ubuntu. I have no knowledge of mySQL at all, actually. I have done the following installations on my Ubuntu.
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How can I get the SQL of a PreparedStatement?
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Although this is functionally true, there's nothing preventing utility code from reconstructing an equivalent unprepared statement. For example, in log4jdbc: "In the logged output, for prepared statements, the bind arguments are automatically insert...
Handle file download from ajax post
...ent). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client to download it? I've read a number of similar threads here but none of them provide the answer I'm looking for.
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“hello, world” 起源及其他 - 创意 - 清泛网 - 专注C/C++及内核技术
...章（我的hello world）、环境搭建成功后的第一个测试…
问题的提出
相传古时候有个退休的程序员，在家闲来无事，决定修习书法之道。第一日，备好笔墨纸砚，便挥毫写下一行大字：“hello, world”。
学过编程语言的人都笑了...
c/c++ volatile和mutable关键字 - C/C++ - 清泛网 - 专注C/C++及内核技术
...automatic variables)
3) 多线程应用中被几个任务共享的变量
问题：
1)一个参数既可以是const还可以是volatile吗？解释为什么。
2); 一个指针可以是volatile 吗？解释为什么。
3); 下面的函数有什么错误：
int square(volatile int *ptr)
{
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WhatsApp比微信好在哪里？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...免费”，而“增值服务”收费，但是这种商业模式带来的问题是，一个越来越庞大臃肿的应用，一个越来越脱离其核心功能的应用。
总结
可见，WhatsApp成功的一大因素就是“专注”，坚持其工具属性，因为是付费应用，因此就...
Mac OS X Git安装教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...不是很熟悉命令行，可以使用之前的方法安装。如果没有问题，开始吧。
下载并解压 Git 源代码：
$ curl -O http://kernel.org/pub/software/scm/git/git-1.7.5.tar.bz2
$ tar xzvf git-1.7.5
打开目录，编译 Git：
$ cd git-1.7.5
$ ./configure --...