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Python/postgres/psycopg2: getting ID of row just inserted
...y using cursor .execute() and not a cursor .mogrify() before the execute() command, otherwise (as in my case) cursor.fetchone() will not have any results! By using only cursor .execute() without "anything" before that command you will receive an id.
– TheHeroOfTime
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Getting current unixtimestamp using Moment.js
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What are the special dollar sign shell variables?
...ent shell (not subshell).
$_ most recent parameter (or the abs path of the command to start the current shell immediately after startup).
$IFS is the (input) field separator.
$? is the most recent foreground pipeline exit status.
$! is the PID of the most recent background command.
$0 is the name of...
Having a private branch of a public repo on GitHub?
...machine
Add a remote to your public repo (git remote add public git@github.com:...)
Push branches with commits intended for your public repo to that new public remote. (make sure you don't accidentally commit private-only code)
You can bring in changes to your public repo using 'git fetch public' an...
Capistrano - clean up old releases
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May be worth noting that even if the find+rm command fails to remove some files the task seems to silently "succeed" when called via the after hook. Calling it directly shows the errors... I realized this when I was starting to run out of disk space.
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What is a 'SAM type' in Java?
...ivate final String name;
private final int age;
public static int compareByAge(Person a, Person b) { ... }
public static int compareByName(Person a, Person b) { ... }
}
Person[] people = ...
Arrays.sort(people, Person::compareByAge);
This creates a Comparator using a specific method...
Git status - is there a way to show changes only in a specific directory?
I would like to see a list of files modified since the last commit, as git status shows, but I care only about files located in a single directory. Is there a way to do this? I tried git status <directory> , but it seems this does something completely different (lists all changed files, as ...
jQuery equivalent of getting the context of a Canvas
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Set default CRAN mirror permanent in R
...esources/etc/.
The file may not exist, or you may see the following lines commented out :
# set a CRAN mirror
# local({r <- getOption("repos")
# r["CRAN"] <- "http://my.local.cran"
# options(repos=r)})
So remove the comment marks and change "http://my.local.cran" to the correct...