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How do I format a string using a dictionary in python-3.x?
..."]} {geopoint["longitude"]}')
41.123 71.091
Note the outer single quotes and inner double quotes (you could also do it the other way around).
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MySQL “NOT IN” query
... Thanks for the comment @Basti! Spent a lot of time trying to understand why the query wasn't working as expected.
– gvas
Mar 23 '16 at 2:17
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How to check if an object is an array?
...Array.isArray(obj)
(Supported by Chrome 5, Firefox 4.0, IE 9, Opera 10.5 and Safari 5)
For backward compatibility you can add the following
# only implement if no native implementation is available
if (typeof Array.isArray === 'undefined') {
Array.isArray = function(obj) {
return Object.pr...
What does collation mean?
What does collation mean in SQL, and what does it do?
9 Answers
9
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How do I know the script file name in a Bash script?
...ovide different functionality based on the name it's called as (think gzip and gunzip on some platforms).
1 That is, to resolve symlinks such that when the user executes foo.sh which is actually a symlink to bar.sh, you wish to use the resolved name bar.sh rather than foo.sh.
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Common use-cases for pickle in Python
I've looked at the pickle documentation, but I don't understand where pickle is useful.
9 Answers
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How do I install an R package from source?
...
If you have the file locally, then use install.packages() and set the repos=NULL:
install.packages(path_to_file, repos = NULL, type="source")
Where path_to_file would represent the full path and file name:
On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz...
Run R script from command line
...te that when using R CMD BATCH a.R that instead of redirecting output to standard out and displaying on the terminal a new file called a.Rout will be created.
R CMD BATCH a.R
# Check the output
cat a.Rout
One other thing to note about using Rscript is that it doesn't load the methods package by d...
git visual diff between branches
...UI software, you can try something like SourceTree which supports Mac OS X and Windows.
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Is there a fixed sized queue which removes excessive elements?
I need a queue with a fixed size. When I add an element and the queue is full, it should automatically remove the oldest element.
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