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Retrieve version from maven pom.xml in code
...ur .properties file using the standard Maven property for project version:
foo.bar=${project.version}
In your Java code, load the value from the properties file as a resource from the classpath (google for copious examples of how to do this, but here's an example for starters).
In Maven, enable r...
Django ManyToMany filter()
...
Just restating what Tomasz said.
There are many examples of FOO__in=... style filters in the many-to-many and many-to-one tests. Here is syntax for your specific problem:
users_in_1zone = User.objects.filter(zones__id=<id1>)
# same thing but using in
users_in_1zone = User.obj...
Func with out parameter
...ss to encapsulate the results?
public class Result
{
public IList<Foo> List { get; set; }
public Int32 Count { get; set; }
}
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f...
Protected in Interfaces
...nterfaces can have any visibility! Why not in OOP?
– Foo Bar
Jan 21 '18 at 14:14
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What is & used for
...RL which contains an
ampersand ("&"):
This is invalid:
a href="foo.cgi?chapter=1&section=2&copy=3&lang=en"
Explanation:
This example generates an error for "unknown entity section" because
the "&" is assumed to begin an entity reference. Browsers often
recover ...
std::unique_lock or std::lock_guard?
... member function:
class MyClass{
std::mutex my_mutex;
void member_foo() {
std::lock_guard<mutex_type> lock(this->my_mutex);
/*
block of code which needs mutual exclusion (e.g. open the same
file in multiple threads).
*/
...
Insert line break inside placeholder attribute of a textarea?
... entity &#10; inside the placeholder attribute:
<textarea name="foo" placeholder="hello you&#10;Second line&#10;Third line"></textarea>
Works on:
Chrome 62, IE10, Firefox 60
Doesn't work on:
Safari 11
https://jsfiddle.net/lu1s/bxkjLpag/2/
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Round to at most 2 decimal places (only if necessary)
...
@mrkschan Why does that work, and is that foolproof for all numbers?
– CMCDragonkai
Mar 3 '14 at 4:45
91
...
Grep not as a regular expression
...ouble quotes, you will still have to escape the $, e.g.: grep -FR "unset(\$foo['bar'])", otherwise it thinks it's an external variable and tries to expand it
– aexl
Mar 26 at 9:02
...
Permission denied on accessing host directory in Docker
...me-opt=type=none,volume-opt=o=bind,volume-opt=device=/home/user/test \
foo
# inside a docker-compose file
...
volumes:
bind-test:
driver: local
driver_opts:
type: none
o: bind
device: /home/user/test
...
Lastly, if you try using user namespace...