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Java synchronized method lock on object, or method?
...instance variables can be accessed by other thread
– mac
Sep 1 '13 at 11:10
6
The first example i...
图片轮播使用指导 · App Inventor 2 中文网
...绑定目标。联机测试应使用包含本组件的 AI 伴侣；涉及系统入口或权限的行为还要编译安装后验证。
案例：动态管理本地与网络图片
上传 banner1.jpg、banner2.jpg；设计器点击图片列表的“编辑图片…”添加素材...
Worth switching to zsh for casual use? [closed]
The default shell in Mac OS X is bash , which I'm generally happy to be using. I just take it for granted. It would be really nice if it auto-completed more stuff , though, and I've heard good things about zsh in this regard. But I don't really have the inclination to spend hours fiddling with s...
CSS Font Border?
...s) Yet this made the loading times way too long and even crashed my site (mac Chrome 16). So I removed it faster than the page could even load. I guess this is only intended for single lines of fonts. (I was using it for 'body')
– user950658
Jan 5 '12 at 7:51
...
How to append one file to another in Linux from the shell?
... of new users: ddrescue is a GNU tool, but it may not exist on your Linux, Mac or other unix-like system. ddrescue doesn't appear to be required by POSIX or any other standard.
– user2065875
Aug 19 '14 at 18:49
...
iOS 5 Best Practice (Release/retain?)
...u can build for iOS 4 with ARC. Quote from Apple engineer: "For iOS 4 and Mac OS 10.6, the compiler adds a bit of runtime compatibility glue code to your app. This works for everything except __weak variables, which require more support than the compatibility code can provide. ARC on iOS 4 is simp...
What exactly does the enable-background attribute do?
...om. However it was shocking that the w3.org examples didn't work on chrome/mac. Go IE 10+ for finally being first.
– QueueHammer
Sep 24 '14 at 3:50
64
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Compiling a java program into an executable [duplicate]
...va to an exe or otherwise native app on the main platforms (Windows Linux, Mac) for free. It runs on any OS, supports built-in code signing and auto-updating, and it can optionally bundle the JRE in a very small (heavily compressed) package.
– AntonyM
Feb 20 '1...
PDOException SQLSTATE[HY000] [2002] No such file or directory
...
I got the same problem and I'm running Mac OS X 10.10 Yosemite. I have enabled the Apache Server and PHP that already comes with the OS. Then I just configured the mCrypt library to get started. After that when I was working with models and DB I got the error:
[P...
What version of javac built my jar?
...re classes from the jar. For example:
$ jar xf log4j-1.2.15.jar
On Linux, Mac OS X or Windows with Cygwin installed, the file(1) command knows the class version.
$ file ./org/apache/log4j/Appender.class
./org/apache/log4j/Appender.class: compiled Java class data, version 45.3
Or alternatively, usi...