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What is a “feature flag”?
...gs into production/live yet having the feature disabled/toggled until it's completed. We often use what we call a 'dev cookie' to show uncompleted features to just the dev team. This way we can test partially completed work in production (oh yeh! is there better integration?) over multiple releases/...
How do I reset a sequence in Oracle?
...ion on the pros and cons in the links below too.
tkyte@TKYTE901.US.ORACLE.COM>
create or replace
procedure reset_seq( p_seq_name in varchar2 )
is
l_val number;
begin
execute immediate
'select ' || p_seq_name || '.nextval from dual' INTO l_val;
execute immediate
'alter seque...
Calculate RSA key fingerprint
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Run the following command to retrieve the SHA256 fingerprint of your SSH key (-l means "list" instead of create a new key, -f means "filename"):
$ ssh-keygen -lf /path/to/ssh/key
So for example, on my machine the command I ran was (using RS...
Using column alias in WHERE clause of MySQL query produces an error
... yet
be determined.
Copied from MySQL documentation
As pointed in the comments, using HAVING instead may do the work. Make sure to give a read at this WHERE vs HAVING though.
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
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A comment first. The question was about not using try/catch.
If you do not mind to use it, read the answer below.
Here we just check a JSON string using a regexp, and it will work in most cases, not all cases.
Have a look arou...
Changing every value in a hash in Ruby
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Bash history without line numbers
The bash history command is very cool. I understand why it shows the line numbers, but is there a way I can invoke the history command and suppress the line numbers?
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Determine which element the mouse pointer is on top of in JavaScript
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Length of an integer in Python
...Math.log10 method took only 7.486343383789062e-05 seconds, approximately 1501388 times faster!
– FadedCoder
Mar 19 '17 at 16:30
1
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Batch renaming files with Bash
...ash solution, but if you have perl installed, it provides the handy rename command for batch renaming, simply do rename "s/-[0-9.]*//" *.pkg
– Rufus
Jun 26 '16 at 8:40
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