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Are Java static calls more or less expensive than non-static calls?
... If I trained a parrot to say "premature opimisation is the root of all evil" I'd get 1000 votes from people who know as much about performance as the parrot.
– rghome
Jan 28 '19 at 14:54
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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...
Parallel.ForEach vs Task.Factory.StartNew
.... I made a research calling the following method:
public static double SumRootN(int root)
{
double result = 0;
for (int i = 1; i < 10000000; i++)
{
result += Math.Exp(Math.Log(i) / root);
}
return result;
}
Execution of this method takes about 0.5se...
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.
...
SVN:externals equivalent in Git?
...h # are not parsed (treated as comment).
Finally you have to update your root sample repository:
# Clone and link all git links dependencies from .gitlinks file
gil clone
gil link
# The same result with a single command
gil update
As the result you'll clone all required projects and link them ...
Necessary to add link tag for favicon.ico?
...Chrome still (or again?) is not recognizing the default favicon.ico in the root if you specifiy also other icons...
– Sebastian G. Marinescu
Jul 12 '16 at 14:18
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...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
... 的字符串的副本，其格式符合 path 语法规则。
std::string root_directory( )：在提供了路径的情况下，此 API 将返回根目录，否则将返回空字符串。例如，如果路径包含/tmp/var1，则此例程将返回 /，即 UNIX 文件系统的根。不过，如果路...
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...
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.
share
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git --git-dir not working as expected
...your comment above, it sounds like you are still running into a problem:
root@erx [/]# git --git-dir=/home/domain/.git --work-tree=/home/domain/ pull origin master
fatal: /usr/local/libexec/git-core/git-pull cannot be used without a working tree
It sounds like you might be intending to run this ...