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Best way to initialize (empty) array in PHP
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What you're doing is 100% correct.
In terms of nice naming it's often done that private/protected properties are preceded with an underscore to make it obvious that they're not public. E.g. private $_arr = array() or public ...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...tion IS NOT supported Compression: NONE Expansion: NONE --- I'm not sure what this exactly means ?
– user3812540
Jul 8 '14 at 12:08
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How to copy files between two nodes using ansible
...estination/directory/
// if needed
rsync_opts:
- "--include=what_needed"
- "--exclude=**/**"
mode: pull
delegate_to: "{{ inventory_hostname }}"
when on remote_server you need to startup rsync with daemon mode. Simple example:
pid file = /var/run/rsyncd.pid
lock file ...
Decode HTML entities in Python string?
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This doesn't answer the question. (Also, I have no idea what the docs are saying is invalid about the final bit of HTML here.)
– Mark Amery
Nov 29 '15 at 14:52
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How to do associative array/hashing in JavaScript
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What if one of your keys is "proto" or "parent"?
– PleaseStand
Jan 3 '11 at 2:21
5
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RegEx - Match Numbers of Variable Length
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What regex engine are you using? Most of them will support the following expression:
\{\d+:\d+\}
The \d is actually shorthand for [0-9], but the important part is the addition of + which means "one or more".
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Create PostgreSQL ROLE (user) if it doesn't exist
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Simplify in a similar fashion to what you had in mind:
DO
$do$
BEGIN
IF NOT EXISTS (
SELECT FROM pg_catalog.pg_roles -- SELECT list can be empty for this
WHERE rolname = 'my_user') THEN
CREATE ROLE my_user LOGIN PASSWORD 'my_password...
Removing multiple keys from a dictionary safely
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For what it's worth, I think .pop() is bad and unpythonic, and would prefer the accepted answer over this one.
– Arne
Mar 14 '18 at 16:03
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How is “int main(){(([](){})());}” valid C++?
... and they behave exactly the same† as if written without them, so that's what the first pair of parens around the lambda does. We're now at ([](){}).
Then, () after the first wrapping parens calls the (empty) lambda. We're now at ([](){})()
The whole expression is wrapped in parens again and we ...
How to change the ROOT application?
... webserver to a different application than "ROOT" (inside webapps folder). What is the best way to do this?
13 Answers
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