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[ :Unexpected operator in shell programming [duplicate]
... This answer is partially wrong. The fully correct one is the now top-voted by Nietzche-jou. sh supports [. == works in Bash built-ins [[, test and [ while a single = is required by POSIX version of [ and test. (Bash manual says the same, BTW.) Requiring Bash because of this is needless...
What is the best way to give a C# auto-property an initial value?
...ith C# 6 you can initialize auto-properties directly (finally!), there are now other answers in the thread that describe that.
C# 5 and below:
Though the intended use of the attribute is not to actually set the values of the properties, you can use reflection to always set them anyway...
public c...
How to change the docker image installation directory?
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I comment here to let people know which version could use this, after github.com/docker/docker.github.io/pull/5978 release, It change officail website.
– zhongjiajie
Mar 27 '19 at 1:17
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Is there an easy way to attach source in Eclipse?
...urce for you and attaches it. I've only hit a couple libraries it doesn't know about and when that happens it lets you contribute the url back to the community so no one else will have a problem with that library.
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Is there a /dev/null on Windows?
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2 of the links here are now broken. :(
– Michael Foukarakis
Jan 1 at 8:12
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How to change Elasticsearch max memory size
... Environment=ES_HEAP_SIZE=8G
just below the other "Environment=*" lines.
Now reload the service script with systemctl daemon-reload and restart the service. The job should be done!
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How to test an Internet connection with bash?
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Careful now!" cat /sys/class/net/wwan0/carrier does not work on ubuntu 14.04 LTS.
– dotnetCarpenter
Mar 1 '15 at 20:45
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select count(*) from table of mysql in php
... removed entirely in 7. Let's make it easier to upgrade and start using it now.
$dbh = new \PDO($dsn, $user, $password);
$sth = $dbh->prepare('SELECT count(*) as total from Students');
$sth->execute();
print_r($sth->fetchAll());
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How do I configure PyCharm to run py.test tests?
...added a "tests" directory to my project, and added test_sample.py to it. Now I want to configure PyCharm to run all the tests in my "tests" directory.
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How to preview git-pull without doing fetch?
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@screenm0nkey: I don't know (without knowing more information). I recommend opening a new question to ask about this if you're still not sure.
– Greg Hewgill
Sep 30 '11 at 18:46
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