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Can JSON start with “[”?
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JSON.ORG WEBSITE SAYS ....
https://www.json.org/
The site clearly states the following:
JSON is built on two structures:
A collection of name/value pairs. In various languages, this is
realized as an object, record, struct, diction...
How can I force clients to refresh JavaScript files?
... For a development webapp, it's maybe a good solution. For a production site, where you do not want to invalidate cache forever, it's not a good solution unless you know that each and every target client browser has come to the site. It makes me think of a potential web server feature: adapt the ...
Generic htaccess redirect www to non-www
I would like to redirect www.example.com to example.com . The following htaccess code makes this happen:
24 Answers
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Git production/staging server workflow
Currently my website (production server) already have a lot of code in it.
And now I want to start using Git for my projects and setup a staging server for my team.
Can anybody give me any advise?
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Update one MySQL table with values from another
... Thats great to hear :) I learn a lot on here too. I really like this site as you can be exposed to many different issues and ideas
– wired00
Apr 20 '11 at 13:49
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Performance optimization strategies of last resort [closed]
There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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What are the differences between git branch, fork, fetch, merge, rebase and clone?
... explanation of how Git models branches and commits, taken from the Git website:
http://eagain.net/articles/git-for-computer-scientists/
A fork isn't a Git concept really, it's more a political/social idea. That is, if some people aren't happy with the way a project is going, they can take the so...
Comparing strings by their alphabetical order
...ring.compareTo). This feature is well documented on the java documentation site.
Here is a short program that demonstrates it:
class StringCompareExample {
public static void main(String args[]){
String s1 = "Project"; String s2 = "Sunject";
verboseCompare(s1, s2);
verb...
How to design a multi-user ajax web application to be concurrently safe
...weight polling.
A javascript artifact-updater component that refreshes the sites content when the connected javascript client notifies of changes in the watched artifacts-history. (again an observer pattern might be a good choice)
A javascript artifact-committer component that may request to change ...
How to solve privileges issues when restore PostgreSQL Database
...uperuser; statement.
Keep in mind this is not the best solution on multi-site hosting server so take a look at assigning individual roles instead: https://www.postgresql.org/docs/current/static/sql-set-role.html and https://www.postgresql.org/docs/current/static/sql-alterrole.html.
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