大约有 44,000 项符合查询结果(耗时:0.0920秒) [XML]
Setting PATH environment variable in OSX permanently
... This is the only solution that works on El Capitan. Better than modifying .bash_profile and .profile.
– IgorGanapolsky
Nov 29 '15 at 21:06
1
...
How to activate JMX on my JVM for access with jconsole?
...docs/technotes/guides/management/agent.html
Start your program with following parameters:
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=9010
-Dcom.sun.management.jmxremote.rmi.port=9010
-Dcom.sun.management.jmxremote.local.only=false
-Dcom.sun.management.jmxremote.authentica...
Initialize a long in Java
Primitive Data Types - oracle doc says the range of long in Java is -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 .
But when I do something like this in my eclipse
...
Subscripts in plots in R
I can't find a way how to write subscripts in the title or the subtitle in R.
How can I write v 1,2 with 1,2 as subscripts?
...
How to scale SVG image to fill browser window?
This seems like it ought to be easy, but I'm just not getting something.
1 Answer
1
...
How to add lines to end of file on Linux
I want to add the following 2 lines...
1 Answer
1
...
Namespace for [DataContract]
I can't find the namespace to use for [DataContract] and [DataMember] elements. According to what I've found, it seems that adding the following should be enough, but in my case it is not.
...
Why do objects of the same class have access to each other's private data?
...
Because that's how it works in C++. In C++ access control works on per-class basis, not on per-object basis.
Access control in C++ is implemented as a static, compile-time feature. I think it is rather obvious that it is not really possible to implemen...
What is the optimal length for user password salt? [closed]
Any salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or ...
What does 'stale file handle' in Linux mean?
Say I have a terminal open, and through that terminal I have cd 'ed to some directory. Through another terminal, I delete that directory and restore it back from an identical backup. When I try to vim a file from the first terminal, in the same directory, why do I get an error about a stale file ...