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Commonly accepted best practices around code organization in JavaScript [closed]
...to Systems Hungarian as a code smell and Apps Hungarian as a practise from now on :)
– jamiebarrow
Oct 13 '11 at 10:20
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Remove scrollbar from iframe
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The scrolling attribute on the iframe is now officially obsolete. CSS should be used instead.
– Mike Poole
Nov 30 '17 at 18:12
4
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How do I declare and initialize an array in Java?
... new array will be and how much memory to allocate. For instance, if Java knows that the base type Type takes 32 bytes, and you want an array of size 5, it needs to internally allocate 32 * 5 = 160 bytes.
You can also create arrays with the values already there, such as
int[] name = {1, 2, 3, 4, 5...
Setting default values for columns in JPA
... this be if (createdt != null) createdt = new Date(); or something? Right now, this will override an explicitly specified value, which seems to make it not really be a default.
– Max Nanasy
Nov 25 '14 at 21:48
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Scheduling R Script
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Now there is built in option in RStudio to do this, to run scheduler first install below packages
install.packages('data.table')
install.packages('knitr')
install.packages('miniUI')
install.packages('shiny')
insta...
Read lines from a file into a Bash array [duplicate]
...a bash array is this:
IFS=$'\n' read -d '' -r -a lines < /etc/passwd
Now just index in to the array lines to retrieve each line, e.g.
printf "line 1: %s\n" "${lines[0]}"
printf "line 5: %s\n" "${lines[4]}"
# all lines
echo "${lines[@]}"
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Counting null and non-null values in a single query
...n this as a "run once query to spot how many nulls we have", I don't even know why ^^', going to correct, thanks.
– Alberto Zaccagni
Aug 13 '09 at 13:29
1
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Superscript in markdown (Github flavored)?
...2</sup>), and it would appear as O(n<sup>2</sup>). Nice. Now why didn't that work on SO markdown?
– phonetagger
Apr 2 '15 at 17:19
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Check if a table exists in Rails
...ecord::Base.connection.data_source_exists? 'table_name' is the correct one now
– Dorian
Dec 30 '16 at 1:35
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show 1 more comment
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What is the difference between URI, URL and URN? [duplicate]
...rce either by location, or a name, or both. A URI has two specializations known as URL and URN.
A Uniform Resource Locator (URL) is a subset of the Uniform Resource Identifier (URI) that specifies where an identified resource is available and the mechanism for retrieving it. A URL defines how the r...