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What is the difference between ng-if and ng-show/ng-hide
...on assigned to ngIf evaluates to a false value then the element is removed from the DOM, otherwise a clone of the element is reinserted into the DOM.
<!-- when $scope.myValue is truthy (element is restored) -->
<div ng-if="1"></div>
<!-- when $scope.myValue is falsy (element i...
Add .gitignore to gitignore
...ignore file's purpose is to prevent everyone who collaborates on a project from accidentally commiting some common files in a project, such as generated cache files. Therefore you should not ignore .gitignore, since it's supposed to be included in the repository.
If you want to ignore files in just...
Python - doctest vs. unittest [closed]
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+1 from me--excellent point
– doug
Sep 2 '11 at 5:08
add a comment
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Difference between Java Enumeration and Iterator
...s an explanation of the differences between Enumeration:
Iterators differ from
enumerations in two ways:
Iterators allow the caller to remove elements from the underlying
collection during the iteration with
well-defined semantics.
Method names have been improved.
The bottom line is, both Enumer...
Pros and cons of using sbt vs maven in Scala project [closed]
...shot' cycle with depending on other of your own libraries which are bumped from minor version to minor version -- just close the project, update the version in the build file, re-run the gen-idea task, and re-open the project: updates done.
comes ready with most tasks you will need (compile, test, r...
Difference between window.location.href, window.location.replace and window.location.assign
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So what's the point of assign()? From this answer, and the docs, it sounds identical to location = ....
– Mitya
May 28 '17 at 18:26
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Store pictures as files or in the database for a web app?
...on code will be required to fetch the pictures.
The images could be served from a different server to improve performance.
It will reduce database bottleneck.
The database ultimately stores its data on the file system.
Images can be easily cached when stored on the file system.
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Haversine Formula in Python (Bearing and Distance between two GPS points)
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Here's a Python version:
from math import radians, cos, sin, asin, sqrt
def haversine(lon1, lat1, lon2, lat2):
"""
Calculate the great circle distance between two points
on the earth (specified in decimal degrees)
"""
# convert ...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...in either source or
compiled form). Extension modules cannot be imported from zipfiles.
The default search path is installation dependent, but generally
begins with prefix/lib/pythonversion (see PYTHONHOME above). It is
always appended to PYTHONPATH.
An additional directory will be i...
Using the “final” modifier whenever applicable in Java [closed]
...ticing the word itself and will simply think, that-thing-will-never-change-from-this-point-on (you can take it from me ;-)
I think it's good practice. I am not using it all the time, but when I can and it makes sense to label something final I'll do it.
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