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What is a lambda (function)?
...ions. For some languages like JavaScript a lambda expression is a specific form of an anonymous function. The JavaScript example you gave is an anonymous function without lambda syntax whereas the JavaScript (ES6) example you gave is a lambda expression.
– Kyle Delaney
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Naming returned columns in Pandas aggregate function? [duplicate]
...rmost level, you can use the ravel() function on the multi-level column to form new labels:
df.columns = ["_".join(x) for x in df.columns.ravel()]
For example:
import pandas as pd
import pandas.rpy.common as com
import numpy as np
data = com.load_data('Loblolly')
print(data.head())
# heig...
How to require a controller in an angularjs directive
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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Does every Javascript function have to return a value?
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are there any performance benefits for a explicit return vs. implicit?
– 4m1r
Nov 13 '15 at 19:58
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Can I add jars to maven 2 build classpath without installing them?
...repo</url>
</repository>
for each artifact with a group id of form x.y.z Maven will include the following location inside your project dir in its search for artifacts:
repo/
| - x/
| | - y/
| | | - z/
| | | | - ${artifactId}/
| | | | | - ${version}/
| | | | |...
How to access a preexisting collection with Mongoose?
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Where in the docs can i find this information? This really helpped but there's no place explaining the plural thing.
– StudioWorks
Apr 7 '14 at 20:31
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RelativeLayout is taking fullscreen for wrap_content
...lean and obvious way of accomplishing this hasn't been posted yet. This performant solution works for any View MyView with a known height.
Wrap your RelativeLayout with height wrap_content in a FrameLayout:
<!-- width here should constrain RelativeLayout -->
<FrameLayout
android:lay...
Git: Merge a Remote branch locally
... I put it as another answer because code blocks don't fit into the comment format)
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What is the difference between NULL, '\0' and 0?
...ill still compare equal to NULL, 0, \0 and all other null pointer constant forms.
– Johannes Schaub - litb
Aug 18 '09 at 22:48
2
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Convert string to integer type in Go?
...also a handy fmt.Sscanf() which gives even greater flexibility as with the format string you can specify the number format (like width, base etc.) along with additional extra characters in the input string.
This is great for parsing custom strings holding a number. For example if your input is prov...