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Using Chrome, how to find to which events are bound to an element
...opers.google.com/web/tools/chrome-devtools/console/command-line-reference#0_-_4
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How do I get a string format of the current date time, in python?
...
#python3
import datetime
print(
'1: test-{date:%Y-%m-%d_%H:%M:%S}.txt'.format( date=datetime.datetime.now() )
)
d = datetime.datetime.now()
print( "2a: {:%B %d, %Y}".format(d))
# see the f" to tell python this is a f string, no .format
print(f"2b: {d:%B %d, %Y}")
print(f"3...
How to avoid Dependency Injection constructor madness?
...pendency = concreteDependency;
}
}
IConcreteDependency _concreteDependency;
public ApplicationEfRepository(
Dependency dependency)
: base(dependency)
{
_concreteDependency = dependency.ConcreteDependency;
}
}
Why
Adding new d...
Entity Framework: There is already an open DataReader associated with this Command
...ng to iterate is kind of lazy loading (IQueriable).
foreach (var user in _dbContext.Users)
{
}
Converting the IQueriable collection into other enumerable collection will solve this problem.
example
_dbContext.Users.ToList()
Note: .ToList() creates a new set every-time and it can cause th...
In PowerShell, how do I define a function in a file and call it from the PowerShell commandline?
... to make sure the function is loaded by running:
ls function:\ | where { $_.Name -eq "A1" }
And check that it appears in the list (should be a list of 1!), then let us know what output you get!
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How to use GROUP_CONCAT in a CONCAT in MySQL
...
select id, group_concat(`Name` separator ',') as `ColumnName`
from
(
select
id,
concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name`
from mytbl
group by
id,
`Name`
) tbl
group by id;
You can see it i...
How can I call controller/view helper methods from the console in Ruby on Rails?
... helpers, use the helper object:
$ ./script/console
>> helper.number_to_currency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
&...
PHP Fatal error: Using $this when not in object context
...it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a class constant. Both, self::foo and self::$foo woul...
Neo4j - Cypher vs Gremlin query language
...s can be generated programmatically.
(See http://docs.sqlalchemy.org/en/rel_0_7/core/tutorial.html#intro-to-generative-selects to know what I mean.)
This seems to be a bit more tricky with Cypher.
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detect key press in python?
...for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while loop?
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