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Autoincrement VersionCode with gradle extra properties
...')) {
output.outputFile = new File(getProject().getRootDir(), "${fileNaming}-${versionMajor}.${versionMinor}.${versionPatch}-${outputFile.name}")
}
}
}
}
} else {
throw new GradleException("Could not read ve...
Is it bad to have my virtualenv directory inside my git repository?
...
If you, say pip install mysql-python, on a 64 bit machine, and then someone with a 32 bit machine tries to use it, it will not work. It uses a C module, like many Python modules do, to increase performance. I imagine Windows->Linux would also not...
How do I add files without dots in them (all extension-less files) to the gitignore file?
...n Git 1.7.1 while it worked fine in 1.9.0. In my case adding a file in the root directory worked fine, but adding a file with an extension inside a subdirectory was shown as ignored. This seems to be because 1.7.1 didn't support the ** pattern yet, see here!
– mxmlnkn
...
What is the difference between synchronous and asynchronous programming (in node.js)
...f the sql driver you use. The driver should spawn a new thread, connect to mysql and run the query. Once done, post the result to the event queue, and Node will call the callback.
– Salvatorelab
Oct 21 '13 at 7:36
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JPA EntityManager: Why use persist() over merge()?
...ttached, entityToSave);
return attached;
}
Although if connected to MySQL merge() could be as efficient as persist() using a call to INSERT with ON DUPLICATE KEY UPDATE option, JPA is a very high level programming and you can't assume this is going to be the case everywhere.
...
Change key pair for ec2 instance
...f:
/home/ec2-user/.ssh/authorized_keys
/home/ubuntu/.ssh/authorized_keys
/root/.ssh/authorized_keys
After editing an authorized_keys file, always use a different terminal to confirm that you are able to ssh in to the instance before you disconnect from the session you are using to edit the file. ...
How to link Docker services across hosts?
...is taken from the blog post:
$ docker run -d -P -e constraint:storage=ssd mysql
One of the supported constraints is "node" that allows you pin a container to a specific hostname. The swarm also resolves links across nodes.
In my testing I got the impression that Swarm doesn't yet work with volum...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用性的技术。我们还需要注意那些持久化了的任务的队列如何转移到别的服务器上的问题。
我看到有很多系统都用静态的方式来分配，有的用hash，有的就简单地轮流分析。这些都不够好，一个是不能完美地负载均衡，另一个...
Quicksort vs heapsort
...y left child has a value greater than its sibling;
Recursively extract the root of the heap, sift down the lacune left by the root until it reaches a leaf of the heap, then fill the lacune with an appropriate element took from the other part of the array;
Recur over the remaining non-ordered part of...
Limiting the number of records from mysqldump?
...
As skaffman says, use the --where option:
mysqldump --opt --where="1 limit 1000000" database
Of course, that would give you the first million rows from every table.
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