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MAC addresses in JavaScript
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I concur with all the previous answers that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of:
Using Java (with a signed applet)
Using signed Javasc...
Symbolicating iPhone App Crash Reports
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Also, if used without an address, it allow you to analyse multiple locations by submitting them one by one.
– Paul Ardeleanu
Mar 12 '12 at 10:03
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Get list of passed arguments in Windows batch script (.bat)
...ke to find a Windows batch counterpart to Bash's $@ that holds a list of all arguments passed into a script.
14 Answers
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ipython: print complete history (not just current session)
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First use %hist -o -g -f ipython_history.md to output the history (input and output) to a text file. (http://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-history)
Then you can use the the get_session_info function to retreive the date and...
Scale image to fit a bounding box
...ed answer, the answer below is more accurate and is currently supported in all browsers if you have the option of using a background image.
No, there is no CSS only way to do this in both directions. You could add
.fillwidth {
min-width: 100%;
height: auto;
}
To the an element to always...
Can enums be subclassed to add new elements?
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If you could tell us more about how you want to use this, we could potentially suggest alternative solutions.
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Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
6 Answers
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How to check for a valid Base64 encoded string
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calling base64String.Contains multiple times may result in poor performance incase of base64String being a large string.
– NucS
Jul 23 '15 at 11:46
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Summarizing multiple columns with dplyr? [duplicate]
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The dplyr package contains summarise_all for this aim:
library(dplyr)
df %>% group_by(grp) %>% summarise_all(list(mean))
#> # A tibble: 3 x 5
#> grp a b c d
#> <int> <dbl> <dbl> <dbl> <dbl>
#>...
Fastest way to check if a string matches a regexp in ruby?
...y
require 'benchmark'
str = "aacaabc"
re = Regexp.new('a+b').freeze
N = 4_000_000
Benchmark.bm do |b|
b.report("str.match re\t") { N.times { str.match re } }
b.report("str =~ re\t") { N.times { str =~ re } }
b.report("str[re] \t") { N.times { str[re] } }
b.report("re =~ str...