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Why is \r a newline for Vim?
...This answer helped me the most. Also, for more information, :h :s%, especially the last paragraph. (via :h :s)
– dipnlik
Oct 20 '14 at 12:56
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How to work around the lack of transactions in MongoDB?
...iewpoint (I have only worked with SQL databases so far), or whether it actually can't be done.
10 Answers
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What is the difference between integration and unit tests?
I know the so-called textbook definition of unit tests and integration tests. What I am curious about is when it is time to write unit tests... I will write them to cover as many sets of classes as possible.
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How do I perform HTML decoding/encoding using Python/Django?
... appropriate for strings encoded with django.utils.html.escape. More generally, it is a good idea to stick with the standard library:
# Python 2.x:
import HTMLParser
html_parser = HTMLParser.HTMLParser()
unescaped = html_parser.unescape(my_string)
# Python 3.x:
import html.parser
html_parser = ht...
Getting “unixtime” in Java
... platforms (and the year 2038 problem). 64-bit platforms use a larger time_t data type. Java dodged that bullet by using a long as the return for System.currentTimeMillis(). If you convert to int, you're re-introducing the year 2038 problem. See en.wikipedia.org/wiki/Year_2038_problem#Solutions
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Install NPM into home directory with distribution nodejs package (Ubuntu)
... up a package root in my homedir to hold the Node "global" packages:
$ NPM_PACKAGES="$HOME/.npm-packages"
$ mkdir -p "$NPM_PACKAGES"
Set NPM to use this directory for its global package installs:
$ echo "prefix = $NPM_PACKAGES" >> ~/.npmrc
Configure your PATH and MANPATH to see commands i...
Split comma-separated strings in a column into separate rows
...solution,
and two additional variants of Jaap's data.table methods.
Overall 8 different methods were benchmarked on 6 different sizes of data frames using the microbenchmark package (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20...
Where does 'Hello world' come from?
' hello, world ' is usually the first example for any programming language. I've always wondered where this sentence came from and where was it first used.
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Turning live() into on() in jQuery
My application has dynamically added Dropdowns. The user can add as many as they need to.
5 Answers
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How do I run a Java program from the command line on Windows?
...ent directory is the default classpath, so you don't have to set -cp . manually.
– Artur Czajka
Nov 6 '16 at 0:51
2
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