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How can I catch a “catchable fatal error” on PHP type hinting?
...ClassB {}
foreach( array('ClassA', 'ClassWrong', 'ClassB', 'ClassC') as $cn ) {
try{
$a = new ClassA;
$a->method_a(new $cn);
}
catch(Error $err) {
echo "catched: ", $err->getMessage(), PHP_EOL;
}
}
echo 'done.';
prints
catched: Argument 1 passed to ClassA...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...
SYS_USER_LANG = en_US
语言选项，可改作：
SYS_USER_LANG = zh_CN
SYS_MAILDIR_BASE = /home/domains
此处即为您在前文所设置的用户邮件的存放目录，可改作：
SYS_MAILDIR_BASE = /var/mailbox
SYS_MYSQL_USER = db_user
SYS_MYSQL_PASS = db_pass
以上两...
使用Activity启动器组件 · App Inventor 2 中文网
...如，
Action：android.intent.action.VIEW
DataUri：https://www.fun123.cn
使用预先指定的消息启动邮件程序
2020 年 1 月 26 日：此示例已更新以适应 android 中的更改。 此处显示的电子邮件发送代码将在下一个应用程序发明者版本中运行，但尚...
Calculating frames per second in a game
...
I think it's the simplest and preferred way. You just to keep track of
cn: counter of how many frames you've rendered
time_start: the time since you've started counting
time_now: the current time
Calculating the fps in this case is as simple as evaluating this formula:
FPS = cn / (time_now -...
The remote end hung up unexpectedly while git cloning
...Sep 2015 12:00:00 GMT
* issuer: C=US,O=DigiCert Inc,OU=www.digicert.com,CN=DigiCert High Assurance EV CA-1
* compression: NULL
* cipher: ARCFOUR-128
* MAC: SHA1
> GET /django/django.git/info/refs?service=git-upload-pack HTTP/1.1
User-Agent: git/1.8.4
Host: github.com
Accept: */*
Accep...
多媒体组件 · App Inventor 2 中文网
... 语言标签 指定语言带有可选的区域后缀，例如 en 或 zh-CN，支持的语言集因设备而异。
结果
返回识别器生成的最后一个文本。
使用兼容模式
如果为真，则使用单独的对话框来识别语音（默认）；如果为假，则语音在后...
How do I create a parameterized SQL query? Why Should I?
...g
Dim sql As String = "SELECT foo FROM bar WHERE baz= @Baz"
Using cn As New SqlConnection("Your connection string here"), _
cmd As New SqlCommand(sql, cn)
cmd.Parameters.Add("@Baz", SqlDbType.VarChar, 50).Value = Baz
Return cmd.ExecuteScalar().ToString()
End Usi...
Import PEM into Java Key Store
...tore type: JKS
Keystore provider: SUN
Your keystore contains 3 entries:
cn=...,ou=...,o=.., Sep 2, 2014, trustedCertEntry,
Certificate fingerprint (SHA1): 2C:B8: ...
importkey, Sep 2, 2014, PrivateKeyEntry,
Certificate fingerprint (SHA1): 9C:B0: ...
cn=...,o=...., Sep 2, 2014, trustedCertEntry,
C...
JavaScript ternary operator example with functions
...if (another_one) /etc, etc
{
...
Less good:
this > that ? testFucntion() ? thirdFunction() ? imlost() : whathappuh() : lostinsyntax() : thisisprobablybrokennow() ? //I'm lost in my own (awful) example by now.
//Not complete... or for average humans to read.
if(this != that) //Ternary wo...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Sequence Number
下图是我从Wireshark中截了个我在访问coolshell.cn时的有数据传输的图给你看一下，SeqNum是怎么变的。（使用Wireshark菜单中的Statistics ->Flow Graph… ）
你可以看到，SeqNum的增加是和传输的字节数相关的。上图中，...