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How do I remove objects from a JavaScript associative array?
...ciative arrays, mapping keys (properties) to values.
To remove a property from an object in JavaScript you use the delete operator:
const o = { lastName: 'foo' }
o.hasOwnProperty('lastName') // true
delete o['lastName']
o.hasOwnProperty('lastName') // false
Note that when delete is applied to an...
Remove a character from the end of a variable
...etion appends a / at the end of a directory name. How I can strip this off from a positional parameter?
4 Answers
...
How to read/process command line arguments?
...solution in the standard library is argparse (docs):
Here is an example:
from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument("-f", "--file", dest="filename",
help="write report to FILE", metavar="FILE")
parser.add_argument("-q", "--quiet",
...
How to get complete address from latitude and longitude?
I want to get following values from Latitude and Longitude in android
21 Answers
21
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How to architect an Ember.js application
...mum Viable Ember.js QuickStart Guide
This quickstart guide should get you from zero to slightly-more-than-zero in a couple of minutes. When done, you should feel somewhat confident that ember.js actually works and hopefully will be interested enough to learn more.
WARNING: Don't just try this gui...
Can you add new statements to Python's syntax?
...1]. This is a simple text file that specifies the grammar of Python.
[1]: From here on, references to files in the Python source are given relatively to the root of the source tree, which is the directory where you run configure and make to build Python.
Two modifications have to be made to the gr...
Drop unused factor levels in a subsetted data frame
...- factor(subdf$letters)
> subdf$letters
[1] a b c
Levels: a b c
EDIT
From the factor page example:
factor(ff) # drops the levels that do not occur
For dropping levels from all factor columns in a dataframe, you can use:
subdf <- subset(df, numbers <= 3)
subdf[] <- lapply(subd...
Cleaning `Inf` values from an R dataframe
... The "trick" was in realizing the is.na<- would not accept a result from lapply but would accept one from sapply.
– IRTFM
Aug 30 '12 at 1:30
...
Git: How to remove file from historical commit?
...l). Now my repo when i clone is too heavy :( How to remove that large file from repo history to reduce the size of my repo ?
...
How to call Makefile from another Makefile?
I'm getting some unexpected results calling one makefile from another. I have two makefiles, one called /path/to/project/makefile and one called /path/to/project/gtest-1.4.0/make/Makefile . I'm attempting to have the former call the latter. In /path/to/project/makefile, I have
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