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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...
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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin

...he local Url so that it only read from the file. – Stéphane de Luca Oct 27 '17 at 15:10 In Usage Example, is it suppo...
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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...
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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 ...
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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...
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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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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio

...tions”: Heroku sometimes has a problem with database load balancing. André Laszlo, markshiz and me all reported dealing with that in comments on the question. To save you the support call, here's the response I got from Heroku Support for a similar issue: Hello, One of the limitations of the hob...
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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...
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Scala vs. Groovy vs. Clojure [closed]

... edited Jan 27 '16 at 13:36 Stéphane Bruckert 17.3k99 gold badges7777 silver badges111111 bronze badges answered Apr 3 '12 at 13:59 ...
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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...