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get keys of json-object in JavaScript [duplicate]
...t.keys function to get an array of the keys (property names) in an object. All modern browsers have Object.keys (including IE9+).
Object.keys(jsonData).forEach(function(key) {
var value = jsonData[key];
// ...
});
The rest of this answer was written in 2011. In today's world, A) You don...
'Best' practice for restful POST response
... to get the ID easily and to get the timestamps when relevant.
This is actually the default behavior got when scaffolding with Rails.
I really do not see any advantage to returning only the ID and doing a GET request after, to get the data you could have got with your initial POST.
Anyway as long ...
Why start a shell command with a backslash?
...t there are also other well known ways to quote: single and double quotes. All of the following will suppress alias substitution:
\curl
cur\l
\c\u\r\l
"c"url
"curl"
"c""u""r""l"
'curl'
'cu'"rl"
Using \curl is just the most common and readable way. Since this is a standardized feature, you...
Can we add a inside H1 tag?
...
Yes, it's typically fine to use a span inside of an h1. span is an inline element, so it's typically okay to use it inside anything (that allows elements inside it!)
And there's not really a cleaner way to do it sometimes, say if you want...
Intelli J IDEA takes forever to update indices
... lot of time (almost 12 hours) to update indices for a project? I just installed Intelli J on my machine and imported a rather large Maven project (13k+ files).
...
What ports does RabbitMQ use?
What ports does RabbitMQ Server use or need to have open on the firewall for a cluster of nodes?
4 Answers
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How to jump back to NERDTree from file in tab?
I usually:
10 Answers
10
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...
Assuming you've used home-brew to install and upgrade Postgres, you can perform the following steps.
Stop current Postgres server:
launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
Initialize a new 10.1 database:
initdb /usr/local/var/pos...
Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
...00%, even in cases where Apple's code fails)
use shift-command-f to find all uses of the file
select "replace" in the search settings
"replace-all"
do the following for the .h file, and REPEAT IT FOR THE .m FILE (if you have one):
right click the original file, and select "show in finder"
delete ...
Store query result in a variable using in PL/pgSQL
...s, as @Pavel commented.
I shortened the syntax with a table alias additionally.
Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel.
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