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How to properly compare two Integers in Java?
...
No, == between Integer, Long etc will check for reference equality - i.e.
Integer x = ...;
Integer y = ...;
System.out.println(x == y);
this will check whether x and y refer to the same object rather than equal objects.
So
Integer x = new Integer(1...
What does the [Flags] Enum Attribute mean in C#?
...mentation of your enum uses Flags, and so does Enum.IsDefined, Enum.Parse, etc. Try to remove Flags and look at the result of MyColor.Yellow | MyColor.Red; without it you get "5", with Flags you get "Yellow, Red". Some other parts of the framework also use [Flags] (e.g., XML Serialization).
...
jQuery get textarea text
...ole' on my webpage (as in, you press the ` key like you do in FPS games, etc.), and then have it Ajax itself back to the server in-order to do stuff.
...
adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...录到堡垒机了
最精简后运行的命令记录
1 vi /etc/hosts
2 vi /etc/sysconfig/network
3 vi /etc/sysconfig/network-scripts/ifcfg-eth0 t
4 reboot
5 cd /mnt/
6 ls
7 unzip adito-0.9.1-bin.zip
8 unzip apache-ant-1.9.6-bin.zip
9 tar ...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
...ies found in the directories specified on the command
line, in the file /etc/ld.so.conf, and in the trusted directories
(/lib and /usr/lib).
Usually your package manager will take care of this when you install a new library, but not always, and it won't hurt to run ldconfig even if that is not...
What is Ember RunLoop and how does it work?
...g else?
All of the basic user events (e.g. keyboard events, mouse events, etc) will fire up the run loop. This guarantees that whatever changes made to bound properties by the captured (mouse/keyboard/timer/etc) event are fully propagated throughout Ember's data-binding system before returning cont...
What is AssemblyInfo.cs used for?
...ntains information about your assembly, like name,
description, version, etc. You can find more details about its content
reading the comments that are included in it.
If you delete it, your assembly will be compiled with no information,
i.e., in the Details tab of the file properties you...
How do I change the number of open files limit in Linux? [closed]
...For instance, the hard open file limit on Solaris can be set on boot from /etc/system.
set rlim_fd_max = 166384
set rlim_fd_cur = 8192
On OS X, this same data must be set in /etc/sysctl.conf.
kern.maxfilesperproc=166384
kern.maxfiles=8192
Under Linux, these settings are often in /etc/security/...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
...ndle large files pretty well. I just edited a 3.4GB file, deleting lines, etc. Three things to keep in mind:
Press Ctrl-C: Vim tries to read in the whole file initially, to do things like syntax highlighting and number of lines in file, etc. Ctrl-C will cancel this enumeration (and the syntax ...
How to check whether an array is empty using PHP?
...easiest way to check if it's empty? I'm assuming I can do so as soon as I fetch the $gameresult array into $gamerow ? In this case it would probably be more efficient to skip exploding the $playerlist if it's empty, but for the sake of argument, how would I check if an array is empty as well?
...