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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...的话，那么在启动Rsyslog之前，别忘了先关闭它：
shell> service syslog stop
shell> service rsyslog start
如果运行Rsyslog时出现问题，那么可以通过激活调试模式来查找原因：
shell> cat /etc/sysconfig/rsyslog
# Options for rsyslogd
# Syslogd options...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
...he2.conf - simply add:
ServerName localhost
Then restart the apache2 service.
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What is the difference between the Facade and Adapter Pattern?
...
A facade is designed to organize multiple services behind a single service gateway. An adapter is designed to provide a way to use a known interface to access an unknown one.
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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...，DITR.base 指向的表格项直接给出中断服务例程（Interrupt Service Routine）的入口地址。
在保护模式下，并不直接给出入口地址，而是门描述符（Interrupt/Trap/Task gate），从这些门描述符间接取得中断服务例程入口。
在 x86/x64 体系...
How to implement Rate It feature in Android App
...lay is available
if (GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(this) != ConnectionResult.SERVICE_MISSING) {
// Show a dialog if meets conditions
AppRate.showRateDialogIfMeetsConditions(this);
}
} else {
// Show a dialog if meets conditi...
Is there any way to put malicious code into a regular expression?
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Denial‐of‐Service Concerns
The most common concern with regexes is a denial‐of‐service attack through pathological patterns that go exponential — or even super‐exponential! — and so appear to take forever to solve. These may...
Difference between this and self in JavaScript
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A slight addition to this as people may encounter this in the context of service workers, in which case it means something slightly different.
You might see this in a service worker module:
self.addEventListener('install', function(e) {
console.log('[ServiceWorker] Install');
});
Here self r...
Location Manager Error : (KCLErrorDomain error 0)
...ter. Declared in
CLError.h.
kCLErrorDenied Access to the location
service was denied by the user.
Available in iPhone OS 2.0 and later.
Declared in CLError.h.
kCLErrorNetwork The network was
unavailable or a network error
occurred. Available in iPhone OS 3.0b
and later. Decla...
Managing constructors with many parameters in Java
... option. DI is only helpful in places where the constructor parameters are services or something that does not vary during runtime.
If you have all of those different constructors due to the fact that you want variable options on how to construct an object, you should seriously consider using the B...
Composer killed while updating
...rate partition. Digitalocean's guide is appropriate for their environment)
service mysql stop (kill your DB/mem-hog services to free some RAM - don't forget to start it again!)
use a secondary terminal session running top to watch memory/swap consumption until process is complete.
composer.phar upd...