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[解决]CTRL: PTY read or GRE write failed - 更多技术 - 清泛网 - 专注C/C++及内核技术
[解决]CTRL: PTY read or GRE write failedslove-pptpd-vpn-pty-read-or-gre-write-failedpptp vpn服务器连接失败出现以下日志内容:（查看系统日志[cat var log messages |grep pptpd]后发现）GRE: read(fd=6,buffer=80504c0...pptp vpn服务器连接失败出现以下日志内容：
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php动态安装mysql扩展错误（ext/mysqlnd/mysqlnd.h: No such file or direc...
php动态安装mysql扩展错误（ext/mysqlnd/mysqlnd.h: No such file or directory）错误如下：In file included from data xingzheng install php-5.5.10 include php Zend zend_compile.h:719, from ...错误如下：
In file included from /data/xingzheng/install/php-5.5.10/include/php/...
Is it safe to check floating point values for equality to 0?
I know you can't rely on equality between double or decimal type values normally, but I'm wondering if 0 is a special case.
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Using try vs if in python
Is there a rationale to decide which one of try or if constructs to use, when testing variable to have a value?
9 Ans...
What is JavaScript's highest integer value that a number can go to without losing precision?
...integral value of this type is Number.MAX_SAFE_INTEGER, which is:
253-1, or
+/- 9,007,199,254,740,991, or
nine quadrillion seven trillion one hundred ninety-nine billion two hundred fifty-four million seven hundred forty thousand nine hundred ninety-one
To put this in perspective: one quadrill...
What is SaaS, PaaS and IaaS? With examples
... as the name suggests, provides you the computing infrastructure, physical or (quite often) virtual machines and other resources like virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Wi...
How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
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You can use the getters of java.time.LocalDateTime for that.
LocalDateTime now = LocalDateTime.now();
int year = now.getYear();
int month = now.getMonthValue();
int day = now.getDayOfMonth();
int hour = now.getHour();
int minute = now.getMinute();
int second = now.getSecond();...
What is the difference between a symbolic link and a hard link?
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Underneath the file system, files are represented by inodes. (Or is it multiple inodes? Not sure.)
A file in the file system is basically a link to an inode.
A hard link, then, just creates another file with a link to the same underlying inode.
When you delete a file, it removes one ...
Singleton pattern in nodejs - is it needed?
...has basically to do with nodejs caching. Plain and simple.
https://nodejs.org/api/modules.html#modules_caching
(v 6.3.1)
Caching
Modules are cached after the first time they are loaded. This means
(among other things) that every call to require('foo') will get
exactly the same object ...
When do items in HTML5 local storage expire?
For how long is data stored in localStorage (as part of DOM Storage in HTML5) available? Can I set an expiration time for the data which I put into local storage?
...