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Linux日志管理Rsyslog入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...设置App服务器：
module(load="imtcp")
template(name="msg" type="string" string="%msg:2:$%\n")
ruleset(name="analysis") {
action(type="omfile"
File="/path/to/access.log"
Template="msg")
stop
}
input(type="imtcp"
Port="<PORT>"
Ruleset="analysis...
Javascript - How to extract filename from a file input control
...IndexOf('\\') : fullPath.lastIndexOf('/'));
var filename = fullPath.substring(startIndex);
if (filename.indexOf('\\') === 0 || filename.indexOf('/') === 0) {
filename = filename.substring(1);
}
alert(filename);
}
...
C# Create New T()
...;T> factory)
{ return factory(); }
and call it something like this:
string s = GetObject(() => "result");
You can use that to require or make use of available parameters, if needed.
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How to get unique device hardware id in Android? [duplicate]
...ations.html
ANDROID_ID
import android.provider.Settings.Secure;
private String android_id = Secure.getString(getContext().getContentResolver(),
Secure.ANDROID_ID);
The above is from the link @ Is there a unique Android device ID?
More specif...
Rounding float in Ruby
...
@Excalibur 2.3000.round(2) is a number, not a string. There is no way that the number 2.3 is different from 2.30, so there is no way to have an option to preserve trailing zeros. You could make your own class of numbers_with_significance but then we already have strings....
How to retrieve a module's path?
...(__file__) can also be tricky. At least on my system, it returns an empty string if you call it from the same directory as the file. ex.
# foo.py
import os
print '__file__ is:', __file__
print 'os.path.dirname(__file__) is:', os.path.dirname(__file__)
will output:
__file__ is: foo.py
os.path.d...
Javascript shorthand ternary operator
... Isn't this idiom an anti-pattern? What if you pass 0 or empty string, the 'OR' expression will skip it and use the default value where you actually wanted 0 or empty string.
– Paul Trzyna
Jun 29 '18 at 13:25
...
Is there a stopwatch in Java?
...TimeUnit.MILLISECONDS);
log.info("that took: " + stopwatch); // formatted string like "12.3 ms"
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Why does Hibernate require no argument constructor?
...r class contains a lot of constructors
public class Person {
private String name;
private Integer age;
public Person(String name, Integer age) { ... }
public Person(String name) { ... }
public Person(Integer age) { ... }
}
As you can see, you deal with a issue of inconsiste...
What is getattr() exactly and how do I use it?
...ecause you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will return 5.
...