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What does a colon following a C++ constructor name do? [duplicate]
...r (":") do in this constructor? Is it equivalent to MyClass(m_classID = -1, m_userdata = 0); ?
9 Answers
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How do HTML parses work if they're not using regexp?
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answered Mar 8 '10 at 10:45
QuentinQuentin
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Boost Statechart vs. Meta State Machine
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As there seems to be much interest, please allow me to give my (obviously biased) opinion, whi...
How to change to an older version of Node.js
I am running Node.js version v0.5.9-pre on Ubuntu 10.10.
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Inserting a PDF file in LaTeX
...myfile.pdf}
To include just the first page of a PDF:
\includepdf[pages={1}]{myfile.pdf}
Run texdoc pdfpages in a shell to see the complete manual for pdfpages.
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Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ingleton() {
int fd = open(kPidFileName, O_RDWR | O_TRUNC);
if (fd == -1) {
//对应的锁文件当前不存在，试图创建该锁文件
fd = creat(kPidFileName, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH);
if (fd > 0) {
fchmod(fd, S_IRUSR|S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IR...
How to create a file in memory for user to download, but not through server?
...ikipedia. Example:
<a href="data:application/octet-stream;charset=utf-16le;base64,//5mAG8AbwAgAGIAYQByAAoA">text file</a>
The octet-stream is to force a download prompt. Otherwise, it will probably open in the browser.
For CSV, you can use:
<a href="data:application/octet-strea...
What is the difference between lock and Mutex?
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A lock is specific to the AppDomain, while Mutex to the Operating System allowing you to perfo...
How do I programmatically “restart” an Android app?
...ctivity = new Intent(context, StartActivity.class);
int mPendingIntentId = 123456;
PendingIntent mPendingIntent = PendingIntent.getActivity(context, mPendingIntentId, mStartActivity, PendingIntent.FLAG_CANCEL_CURRENT);
AlarmManager mgr = (AlarmManager)context.getSystemService(Context.ALARM_SERVIC...
What is the Simplest Way to Reverse an ArrayList?
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10 Answers
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